CN107105367B - Audio signal processing method and terminal - Google Patents
Audio signal processing method and terminal Download PDFInfo
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- CN107105367B CN107105367B CN201710372132.0A CN201710372132A CN107105367B CN 107105367 B CN107105367 B CN 107105367B CN 201710372132 A CN201710372132 A CN 201710372132A CN 107105367 B CN107105367 B CN 107105367B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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Abstract
The invention provides an audio signal processing method and a terminal. The method comprises the following steps: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal; and if the voiceprint characteristics of the sound signals are matched with prestored sample voiceprint characteristics and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable the user to hear the sound signals, so that the problem that the user cannot hear other people speaking to the user when the user plays the audio by using the terminal is solved.
Description
Technical Field
The present invention relates to the field of electronic and computer technologies, and in particular, to an audio signal processing method and a terminal.
Background
With the development of electronic technology, more and more ways for users to listen to audio through terminals are provided. Besides playing audio directly by using the playing part of the terminal, the user can listen to the audio through the audio output device electrically connected with the terminal, for example, after the terminal is electrically connected with an earphone or a sound box, the user can listen to the audio through the earphone or the sound box.
In the prior art, a user can adjust the output volume of audio to a certain degree according to the environment where the user is located and the mode of a terminal, so that the user can clearly listen to the audio. For example, when a user listens to music using headphones, the output volume of the music may be turned relatively large; for another example, the user accesses a device such as a sound box to the terminal, so that the output volume of the audio can be greater than the maximum volume of the terminal, thereby improving the audio listening effect. Thus, if another person speaks into the user during audio output, the user is often hard to perceive or hear.
Disclosure of Invention
The embodiment of the invention provides an audio signal processing method and a terminal, which aim to solve the problem that when a user uses the terminal to play audio, the voice of the played audio is interfered and can not clearly hear the speech of other people to the user.
In a first aspect, an embodiment of the present invention provides an audio signal processing method applied to a terminal, including:
when a terminal plays a first audio signal in a set mode, acquiring sound signals of the surrounding environment of the terminal;
and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable a user to hear the sound signals.
In a second aspect, an embodiment of the present invention provides a terminal, including:
the sound signal acquisition module: the terminal is used for acquiring sound signals of the surrounding environment of the terminal when the terminal plays the first audio signals in a preset mode;
the first audio signal processing module: and the processing unit is used for processing the first audio signal if the voiceprint characteristics of the sound signal are matched with prestored sample voiceprint characteristics and the volume value of the sound signal exceeds a first threshold value, so that a user can hear the sound signal.
In a third aspect, an embodiment of the present invention provides a terminal, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the audio signal processing method according to any one of the embodiments of the invention when executing the program.
The audio signal processing method and the terminal provided by the embodiment of the invention can monitor the sound information in the surrounding environment of the terminal when the audio is played, detect whether the voiceprint characteristics of the sound information are matched with the prestored sample voiceprint characteristics, and process the first audio signal under the condition that the voiceprint characteristics of the sound information are matched with the prestored sample voiceprint characteristics and the sound volume of the sound information is higher than the first threshold value, so that a user can receive and hear the sound signal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flow chart of an audio signal processing method according to an embodiment of the invention;
FIG. 2 is a flow chart of an audio signal processing method according to another embodiment of the invention;
FIG. 3 is a flowchart illustrating an audio signal processing method according to another embodiment of the invention;
FIG. 4 is a flowchart illustrating an audio signal processing method according to another embodiment of the invention;
FIG. 5 is a flow chart of an audio signal processing method according to another embodiment of the invention
FIG. 6 is a schematic block diagram of a terminal structure according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a terminal structure according to another embodiment of the present invention;
fig. 8 is a schematic block diagram of a terminal structure according to another embodiment of the present invention;
fig. 9 is a schematic block diagram of a terminal structure according to another embodiment of the present invention;
fig. 10 is a schematic structural diagram of a terminal according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention first provides an audio signal processing method, which is applied to a terminal, and as shown in fig. 1, the audio signal processing method includes:
step 101: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
in a specific embodiment of the present invention, the preset mode includes a mode in which the audio is played through an audio output device electrically connected to the terminal, and/or a mode in which the terminal plays the audio at a volume higher than a certain threshold; more specifically, the audio output device includes a headphone, a sound box, and the like.
In a specific embodiment of the present invention, the operation of collecting the sound signal of the surrounding environment of the terminal is performed by a microphone of the terminal or a microphone of an audio output device electrically connected to the terminal, for example, by an earphone microphone.
In an embodiment of the invention, the first audio signal is a pure audio signal or a signal played by a file containing an audio signal.
In an embodiment of the present invention, the sound signal is specifically a speech signal.
Step 102: and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable a user to hear the sound signals.
In an embodiment of the present invention, the processing of the first audio signal includes reducing an output volume of the first audio signal, and/or outputting the sound signal in the first audio signal, and/or pausing the playing of the first audio signal.
In the embodiment of the present invention, since the sensitivity of the sound collection device for collecting the sound signal of the environment around the terminal may be different from device to device, the sound signal that some sound collection devices can collect is already the volume of which the volume exceeds the first threshold, in this case, it is equal to the case that the volume of the sound signal exceeds the first threshold.
In a specific embodiment of the present invention, the first threshold is an arbitrary volume value not less than 0, which can be determined through a specific experiment, or a plurality of volume data of a conversation of an ordinary person in a general environment can be collected, and the first threshold is determined according to the plurality of volume data, so that a situation that other people are not speaking with the user but the voiceprints are matched can be excluded.
In the embodiment of the present invention, the terminal may be any terminal having a human body feature collecting component and a screen, such as a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a laptop Computer (L ap Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or a Wearable Device (Wearable Device).
The audio signal processing method provided by the embodiment of the invention can monitor the sound information in the surrounding environment of the terminal when the audio is played, detect whether the voiceprint characteristics of the sound information are matched with the prestored sample voiceprint characteristics, and process the first audio signal under the condition that the voiceprint characteristics of the sound information are matched with the prestored sample voiceprint characteristics and the sound volume of the sound information is higher than the first threshold value, so that the user can listen to the sound signal.
In some embodiments of the present invention, processing the first audio signal so that the user can hear the sound signal comprises:
reducing the output volume of the first audio signal, and outputting the sound signal,
Pausing the playback of the first audio signal, pausing the playback of the first audio signal while outputting the sound signal,
And simultaneously outputting one or more processing methods in the sound signals when the first audio signal is played.
In one embodiment of the invention, the method comprises the steps as shown in fig. 2:
step 201: when the terminal plays the first audio signal in a preset mode, sound signals of the surrounding environment of the terminal are collected.
In a specific embodiment of the present invention, the preset mode includes a mode in which the audio is played through an audio output device electrically connected to the terminal, and/or a mode in which the terminal plays the audio at a volume higher than a certain threshold; more specifically, the audio output device includes a headphone, a sound box, and the like.
In a specific embodiment of the present invention, the operation of collecting the sound signal of the surrounding environment of the terminal is performed by a microphone of the terminal or a microphone of an audio output device electrically connected to the terminal, for example, by an earphone microphone.
In an embodiment of the invention, the first audio signal is a pure audio signal or a signal played by a file containing an audio signal.
In an embodiment of the present invention, the sound signal is specifically a speech signal.
Step 202: and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, reducing the output volume of the first audio signals, so that the user can hear the sound signals. In an embodiment of the present invention, the output volume of the first audio signal refers to a volume at which the first audio signal is finally played, and the volume is affected by factors such as a volume of the terminal, a volume of a sound output device electrically connected to the terminal, and attributes of an audio file.
In one embodiment, the step of reducing the output volume of the first audio signal comprises:
reducing the playing volume of the terminal to reduce the output volume of the first audio signal; in the specific embodiment of the invention, the playing volume of the terminal refers to the volume of the audio played by the terminal through an audio playing component carried by the terminal, and can be reduced in a hardware or software mode through a volume adjusting button in specific operation;
or muting the terminal so that the output volume of the first audio signal is reduced to zero; in an embodiment of the present invention, the muting the terminal includes: reducing the volume of the terminal until the volume of the terminal is zero; or, the terminal is adjusted to a mute mode through a mute control module;
or, mixing the first audio signal by using a second audio signal with the phase offset with the first audio signal, so that the output volume of the first audio signal is reduced. In a specific embodiment, when the first audio signal is mixed by using the second audio signal with the phase offset from the first audio signal, the output volume of the first audio signal is reduced or eliminated, so as to achieve the effect of reducing the output volume of the first audio signal.
In one embodiment of the invention, the method comprises the steps as shown in fig. 3:
step 301: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
in a specific embodiment of the present invention, the preset mode includes a mode in which the audio is played through an audio output device electrically connected to the terminal, and/or a mode in which the terminal plays the audio at a volume higher than a certain threshold; more specifically, the audio output device includes a headphone, a sound box, and the like.
In a specific embodiment of the present invention, the operation of collecting the sound signal of the surrounding environment of the terminal is performed by a microphone of the terminal or a microphone of an audio output device electrically connected to the terminal, for example, by an earphone microphone.
In an embodiment of the invention, the first audio signal is a pure audio signal or a signal played by a file containing an audio signal.
In an embodiment of the present invention, the sound signal is specifically a speech signal.
Step 302: if the voiceprint features of the sound signals are matched with prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, the sound signals are continuously collected, and the sound signals are output when the first audio signals are played, so that a user can hear the sound signals.
In another embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, the sound signals are collected continuously, the sound signals are output while the first audio signals are played, namely the sound signals are mixed with the first audio signals and output together, and therefore a user can hear the sound signals.
In the above embodiment, if the user uses the terminal to play the first audio signal, the output volume of the first audio signal is low, so that sometimes when the sound signal collected from the external environment is output together with the first audio signal, the user can also receive the sound signal more clearly and obtain the content in the sound signal. In other cases, when the user uses the terminal to play the first audio signal, the output volume of the first audio signal is large, even if the sound signal collected from the external environment is mixed with the first audio signal and output together, the user cannot clearly hear the sound signal, but the user can realize that other people speak to the user, so that the output volume of the first audio signal can be manually reduced or the earphone is taken off, and the user can clearly hear other people speaking to the user.
In another embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
and if the voiceprint features of the sound signals are matched with prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, the playing of the first audio signals is suspended, so that a user can hear the sound signals without picking off an earphone or manually muting or reducing the volume of other audio output equipment. In some cases, if the user receives the content of the speech from another person to the user while listening to the first audio signal, inconvenience may be caused to the user due to the missed listening to the content of the first audio signal.
In one embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
and if the voiceprint characteristics of the sound signals are matched with prestored sample voiceprint characteristics and the volume value of the sound signals exceeds a first threshold value, continuing to collect the sound signals, pausing the playing of the first audio signals and simultaneously outputting the sound signals.
Under the condition that the first audio signal is paused, the content of the other person speaking can be heard more clearly than under the condition that the first audio signal is in the playing state. In addition, under the condition that the user wears the earphones, because the sealing performance of some earphones to the ears is better, the user can listen to the speaking content of other people while wearing the earphones, the user can be difficult to clearly listen to the speaking content, and the definition of the user listening to the sound signal can be improved through the output of the sound output equipment after the sound signal is collected. In a specific embodiment, the sound signal is output, and may be output through a terminal playing component (such as an earphone or a speaker), or output through an earphone or played through a sound box.
In one embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
and if the voiceprint features of the sound signals are matched with prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, continuously collecting the sound signals, reducing the output volume of the first audio signals and simultaneously outputting the sound signals.
In the above embodiment, the sound signal can be collected, and when the collected sound signal is played, the output volume of the first audio signal is reduced, so that the user can not only perceive the speech of other people to the user, but also can clearly hear the speech content of other people to the user, and the user does not need to take off an earphone, or close other audio output devices, or manually turn down the volume.
In one embodiment of the present invention, the method comprises the steps shown in fig. 4:
step 401: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
in a specific embodiment of the present invention, the preset mode includes a mode in which the audio is played through an audio output device electrically connected to the terminal, and/or a mode in which the terminal plays the audio at a volume higher than a certain threshold; more specifically, the audio output device includes a headphone, a sound box, and the like.
In an embodiment of the present invention, the operation of collecting the sound signal of the environment around the terminal is performed by a plurality of microphones, such as a microphone array of an earphone, a multi-microphone device of the terminal, and the like.
In an embodiment of the invention, the first audio signal is a pure audio signal or a signal played by a file containing an audio signal.
In an embodiment of the present invention, the sound signal is specifically a speech signal.
Step 402: and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals. The determination of the sound source signal is performed by a plurality of microphone arrangements.
Step 403: and continuously collecting the sound signals, and carrying out noise reduction processing on the sound signals according to the sound source direction when the sound signals are collected to obtain the sound signals subjected to the noise reduction processing. According to the sound source direction of the judged sound signal, the microphones pointing to the sound source direction in the plurality of microphones are utilized to collect the sound signal, so that the noise signal mixed in the collected signal is less, and the noise reduction effect can be achieved.
Step 404: and playing the sound signal subjected to noise reduction processing through audio output equipment of the terminal.
In one embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals;
continuing to collect the sound signal, and carrying out noise reduction processing on the sound signal according to the sound source direction when the sound signal is collected to obtain a noise-reduced sound signal;
and reducing the output volume of the first audio signal, and playing the sound signal subjected to noise reduction processing through audio output equipment of the terminal.
In the above embodiment, the sound signal can be collected, and when the collected sound signal is played, the output volume of the first audio signal is reduced, so that the user can not only perceive the speech of other people to the user, but also can clearly hear the speech content of other people to the user, and the user does not need to take off an earphone, or close other audio output devices, or manually turn down the volume.
In one embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals;
continuing to collect the sound signal, and carrying out noise reduction processing on the sound signal according to the sound source direction when the sound signal is collected to obtain a noise-reduced sound signal;
and pausing the playing of the first audio signal, and playing the sound signal subjected to the noise reduction processing through audio output equipment of the terminal.
In the above embodiment, the sound signal can be collected, and when the collected sound signal is played, the playing of the first audio signal is paused, so that the user can not only perceive the speech of other people to the user, but also can clearly hear the speech of other people to the user, and the user does not need to take off the earphone, or close other audio output devices, or manually turn down the volume.
In another embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals;
continuing to collect the sound signal, and carrying out noise reduction processing on the sound signal according to the sound source direction when the sound signal is collected to obtain a noise-reduced sound signal;
and reducing the output volume of the first audio signal or pausing the playing of the first audio signal, and playing the sound signal subjected to noise reduction processing through audio output equipment of the terminal when the first audio signal is played. The user can not only perceive the speech of other people to the user, but also can clearly hear the content of the speech of other people to the user, so that the user does not need to take off the earphone, or close other audio output equipment, or manually turn down the volume.
In the above embodiment, the sound signal can be collected, and when the collected sound signal is played, the output volume of the first audio signal is reduced, so that the user can not only perceive the speech of other people to the user, but also can clearly hear the speech content of other people to the user, and the user does not need to take off an earphone, or close other audio output devices, or manually turn down the volume.
In one embodiment of the invention, the method comprises the steps shown in fig. 5:
step 501: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
step 502: converting the collected sound signals into a recording file; namely recording the sound signal;
step 503: carrying out noise reduction processing on the sound recording file; in a specific embodiment, the noise signal can be identified and filtered out from the sound wave signal of the sound recording file by performing operations such as filtering processing on the sound recording file, and the noise of the sound recording file is reduced;
step 504: and pausing the playing of the first audio signal or continuing to play the first audio signal, and playing the recording file subjected to the noise reduction processing through the audio output equipment of the terminal. In the above embodiment, another mode is adopted to collect the sound signal and reduce noise, so that the user can clearly receive the speaking content of other people.
In another embodiment of the invention, the method comprises:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
converting the collected sound signals into a recording file; namely recording the sound signal;
carrying out noise reduction processing on the sound recording file;
reducing the output volume of the first audio file, or pausing the playing of the first audio file;
and playing the recording file subjected to the noise reduction treatment through audio output equipment of the terminal. The user can not only perceive the speech of other people to the user, but also can clearly hear the content of the speech of other people to the user, so that the user does not need to take off the earphone, or close other audio output equipment, or manually turn down the volume.
In one embodiment of the invention, the method further comprises:
when a user performs voice communication operation with another party user through a preset application, acquiring the voice of the other party user; before executing the step, the user can obtain the voiceprint characteristics from the voice through the setting function authorization of the terminal when the user carries out voice call operation or voice playing; the voice communication operation comprises a call operation or voice playing; in a specific embodiment of the present invention, the preset applications include, but are not limited to: a voice call application, or QQ, or wechat, or other social software with voice call functionality, voice call software, etc.;
extracting voiceprint features from the collected voice of the other party user;
storing the extracted voiceprint features as sample voiceprint features; during specific operation, if the extracted voiceprint features are not stored, storing the voiceprint features; if the extracted voiceprint is stored as the sample voiceprint feature, the extracted voiceprint feature is not stored;
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable a user to hear the sound signals.
In a specific embodiment of the present invention, before acquiring the sound signal of the ambient environment of the terminal, the user needs to obtain authorization, and the user can start the ambient sound monitoring through the setting function of the terminal, so that the step of acquiring the sound signal of the ambient environment of the terminal can be performed when the terminal plays the first audio signal in a preset manner.
It can be seen that the audio signal processing method provided in the embodiment of the present invention can monitor the sound signal in the environment around the terminal when the user plays the first audio signal in the set mode, and can process the played first audio signal when it is determined that the voiceprint feature of the sound signal matches the preset voiceprint feature and the volume of the sound signal is higher than the set volume threshold, so that the user can perceive the existence of the sound signal, and therefore, the user cannot hear other people speaking to himself because the user uses an earphone or a speaker or adjusts the external sound volume of the terminal to be too large.
Meanwhile, the invention also provides a terminal, the structural block diagram of which is shown in fig. 6, and the terminal can realize the details of the audio output method and realize the corresponding effect. As shown in fig. 6, the terminal 600 includes: a sound signal collection module 601, a first audio signal processing module 602, wherein,
the sound signal acquisition module 601: the terminal is used for acquiring sound signals of the surrounding environment of the terminal when the terminal plays the first audio signals in a preset mode;
the first audio signal processing module 602: and the processing unit is used for processing the first audio signal if the voiceprint characteristics of the sound signal are matched with prestored sample voiceprint characteristics and the volume value of the sound signal exceeds a first threshold value, so that a user can hear the sound signal.
In some embodiments of the present invention, the first audio signal processing module comprises:
a first processing unit: for reducing an output volume of the first audio signal; or the like, or, alternatively,
a second processing unit: for reducing an output volume of the first audio signal while outputting the sound signal; or the like, or, alternatively,
a third processing unit: for pausing the playing of the first audio signal; or the like, or, alternatively,
a fourth processing unit: for pausing the playback of the first audio signal while outputting the sound signal; or the like, or, alternatively,
a fifth processing unit: for outputting the sound signal simultaneously when playing the first audio signal.
In a specific embodiment of the present invention, the terminal includes a sound signal collecting module and a first audio signal processing module, wherein the first audio signal processing module further includes: a first processing unit for reducing an output volume of the first audio signal.
In a specific embodiment of the present invention, the terminal includes a sound signal collecting module and a first audio signal processing module, wherein the first audio signal processing module further includes: and the second processing unit is used for reducing the output volume of the first audio signal and outputting the sound signal at the same time.
In a specific embodiment of the present invention, the terminal includes a sound signal collecting module and a first audio signal processing module, wherein the first audio signal processing module further includes: a third processing unit for pausing the playing of the first audio signal.
In a specific embodiment of the present invention, the terminal includes a sound signal collecting module and a first audio signal processing module, wherein the first audio signal processing module further includes: a fourth processing unit: for pausing the playing of the first audio signal while outputting the sound signal.
In a specific embodiment of the present invention, the terminal includes a sound signal collecting module and a first audio signal processing module, wherein the first audio signal processing module further includes: a fifth processing unit: for outputting the sound signal simultaneously when playing the first audio signal.
Optionally, the first processing unit includes:
a playback volume reduction subunit: the audio processing device is used for reducing the playing volume of the terminal so that the output volume of the first audio signal is reduced;
or, the mute subunit: muting the terminal so that the output volume of the first audio signal is reduced to zero;
or, the mixing sub-unit: the audio mixing device is used for mixing the first audio signal by using the second audio signal which is offset from the phase of the first audio signal, so that the output volume of the first audio signal is reduced.
Optionally, the second processing unit includes:
a playback volume reduction subunit: the audio processing device is used for reducing the playing volume of the terminal so that the output volume of the first audio signal is reduced;
or, the mute subunit: muting the terminal so that the output volume of the first audio signal is reduced to zero;
or, the mixing sub-unit: the audio mixing device is used for mixing audio of a first audio signal by using a second audio signal which is offset from the phase of the first audio signal, so that the output volume of the first audio signal is reduced;
optionally, the second processing unit further includes:
sound source direction determining subunit: the voice source direction determining unit is used for determining the voice source direction of the voice signal if the voiceprint characteristics of the voice signal are matched with the prestored sample voiceprint characteristics and the volume value of the voice signal exceeds a first threshold value;
a first noise reduction subunit: the voice signal processing device is used for carrying out noise reduction processing on the voice signal according to the direction of the sound source when the voice signal is collected, so as to obtain the voice signal subjected to the noise reduction processing;
a first playback subunit: the audio signal is played through an audio output device of the terminal after noise reduction processing.
Optionally, the fourth processing unit includes:
sound source direction determining subunit: the voice source direction determining unit is used for determining the voice source direction of the voice signal if the voiceprint characteristics of the voice signal are matched with the prestored sample voiceprint characteristics and the volume value of the voice signal exceeds a first threshold value;
a first noise reduction subunit: the voice signal processing device is used for carrying out noise reduction processing on the voice signal according to the direction of the sound source when the voice signal is collected, so as to obtain the voice signal subjected to the noise reduction processing;
a first playback subunit: the audio signal is played through an audio output device of the terminal after noise reduction processing.
Optionally, the second processing unit further includes:
a recording subunit: the voice acquisition device is used for converting the acquired voice signals into a recording file;
a second noise reduction subunit: the voice recording device is used for carrying out noise reduction processing on the voice recording file;
a second playback subunit: the audio output device is used for playing the recording file subjected to noise reduction processing through the audio output device of the terminal;
when the first audio signal processing module includes the fourth processing unit, the fourth processing unit includes: the recording subunit, the second denoising subunit, and the second playing subunit.
In another embodiment of the present invention, the terminal structure is as shown in fig. 7, and on the basis of fig. 6, the terminal 600 includes: a sound signal collection module 601, a first audio signal processing module 602, a voice collection module 603, a voiceprint extraction module 604, and a voiceprint storage module 605, wherein,
the sound signal acquisition module 601: the terminal is used for acquiring sound signals of the surrounding environment of the terminal when the terminal plays the first audio signals in a preset mode;
the first audio signal processing module 602: the processing unit is used for processing the first audio signal if the voiceprint features of the sound signal are matched with the prestored sample voiceprint features and the volume value of the sound signal exceeds a first threshold value, so that a user can hear the sound signal
The voice acquisition module 603: the voice communication method comprises the steps that when a user carries out voice communication operation with another party user through a preset application, the voice of the other party user is collected; the voice communication operation comprises a call operation or voice playing;
the voiceprint extraction module 604: extracting voiceprint features from the collected voice of the other party user;
the voiceprint storage module 605: for storing the extracted voiceprint features as sample voiceprint features.
In the embodiment of the invention, when a user plays a first audio signal in a preset mode through the terminal, the sound signal in the surrounding environment of the terminal is collected, and when the voiceprint characteristic of the sound signal is accompanied with the preset sample voiceprint characteristic, the first audio signal is processed, so that the user can hear the sound signal. Therefore, when the user listens to the first audio file, the user cannot hear other people around to speak to the user due to the coverage of the volume, and the influence of the user and other people on the operation of playing the first audio signal by the terminal is avoided.
Referring to fig. 8, fig. 8 is a structural diagram of a terminal according to another embodiment of the present invention, which can implement details of an application uninstalling method according to the above embodiment, and achieve the same effect. As shown in fig. 8, the terminal 800 includes: at least one processor 801, memory 802, at least one network interface 804, and a user interface 803. The various components in terminal 800 are coupled together by a bus system 805. It is understood that the bus system 805 is used to enable communications among the components connected. The bus system 805 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 805 in fig. 8.
The user interface 803 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, track ball, touch pad, or touch screen, etc.).
It is understood that the Memory 802 in embodiments of the present invention may be either volatile Memory or non-volatile Memory, or may include both volatile and non-volatile Memory, wherein non-volatile Memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), or flash Memory volatile Memory may be Random Access Memory (RAM), which serves as external cache Memory.
In some embodiments, memory 802 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 8021 and application programs 8022.
The operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application program 8022 includes various application programs, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. A program implementing a method according to an embodiment of the present invention may be included in application program 8022.
In the embodiment of the present invention, by calling the program or instruction stored in the memory 802, specifically, the program or instruction stored in the application program 8022, the processor 801 is configured to: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable a user to hear the sound signals.
The methods disclosed in the embodiments of the present invention described above may be implemented in the processor 801 or implemented by the processor 801. The processor 801 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 801. The Processor 801 may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802, and combines the hardware to complete the steps of the method.
For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable logic devices (P L D), Field-Programmable Gate arrays (FPGAs), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Optionally, the processor 801 is further configured to: reducing the output volume of the first audio signal, simultaneously outputting the sound signal, pausing the playing of the first audio signal, simultaneously outputting the sound signal, and simultaneously outputting one or more processing methods in the sound signal when the first audio signal is played.
Optionally, the processor 801 is further configured to: reducing the playing volume of the terminal to reduce the output volume of the first audio signal; or muting the terminal so that the output volume of the first audio signal is reduced to zero; or, mixing the first audio signal by using a second audio signal with the phase offset with the first audio signal, so that the output volume of the first audio signal is reduced.
Optionally, the processor 801 is further configured to: if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals; when the sound signal is collected, carrying out noise reduction processing on the sound signal according to the sound source direction to obtain a noise-reduced sound signal; and playing the sound signal subjected to noise reduction processing through audio output equipment of the terminal.
Optionally, the processor 801 is further configured to: converting the collected sound signals into a recording file;
carrying out noise reduction processing on the sound recording file;
and playing the recording file subjected to the noise reduction treatment through audio output equipment of the terminal. .
Optionally, the processor 801 is further configured to: when a user performs voice communication operation with another party user through a preset application, acquiring the voice of the other party user; the voice communication operation comprises a call operation or voice playing; extracting voiceprint features from the collected voice of the other party user; and storing the extracted voiceprint features as sample voiceprint features.
In the embodiment of the invention, when a user plays a first audio signal in a preset mode through the terminal, the sound signal in the surrounding environment of the terminal is collected, and when the voiceprint characteristic of the sound signal is accompanied with the preset sample voiceprint characteristic, the first audio signal is processed, so that the user can hear the sound signal. Therefore, when the user listens to the first audio file, the user can also perceive the speaking behavior of other people with the user, and the user cannot hear other people around speaking to the user due to the covering of the volume, so that the influence of the operation of playing the first audio signal by the terminal on the communication between the user and other people is avoided.
Referring to fig. 9, fig. 9 is a structural diagram of a terminal according to an embodiment of the present invention, which can implement details of an uninstalling method of an application program in the foregoing embodiment, and achieve the same effect. As shown in fig. 9, the terminal 900 includes a Radio Frequency (RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a processor 950, an audio circuit 960, a communication module 970, and a power supply 980, and further includes a camera (not shown in the drawing).
The input unit 930 may be used, among other things, to receive numeric or character information input by a user and to generate signal inputs related to user settings and function control of the terminal 900. Specifically, in the embodiment of the present invention, the input unit 930 may include a touch panel 931. The touch panel 931, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 931 (for example, a user may operate the touch panel 931 by using a finger, a stylus pen, or any other suitable object or accessory), and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 931 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 950, and can receive and execute commands sent from the processor 950. In addition, the touch panel 931 may be implemented by various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 931, the input unit 930 may also include other input devices 932, and the other input devices 932 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 940 may include a display panel 941, and optionally, the display panel 941 may be configured in the form of L CD or an Organic light Emitting Diode (O L ED).
It should be noted that the touch panel 931 may cover the display panel 941 to form a touch display screen, and when the touch display screen detects a touch operation on or near the touch display screen, the touch display screen is transmitted to the processor 950 to determine the type of the touch event, and then the processor 950 provides a corresponding visual output on the touch display screen according to the type of the touch event.
The processor 950 is a control center of the terminal 900, connects various parts of the entire cellular phone using various interfaces and lines, and performs various functions of the terminal 900 and processes data by operating or executing software programs and/or modules stored in the first memory 921 and calling data stored in the second memory 922, thereby integrally monitoring the terminal 900. Optionally, processor 950 may include one or more processing units.
In an embodiment of the present invention, the processor 950 is configured to, by invoking software programs and/or modules stored in the first memory 921 and/or data stored in the second memory 922: when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal; and if the voiceprint features of the sound signals are matched with the prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals to enable a user to hear the sound signals.
Optionally, the processor 950 is further configured to: reducing the output volume of the first audio signal, simultaneously outputting the sound signal, pausing the playing of the first audio signal, simultaneously outputting the sound signal, and simultaneously outputting the sound signal when the first audio signal is played.
Optionally, the playing volume of the terminal is reduced, so that the output volume of the first audio signal is reduced;
or muting the terminal so that the output volume of the first audio signal is reduced to zero;
or, mixing the first audio signal by using a second audio signal with the phase offset with the first audio signal, so that the output volume of the first audio signal is reduced.
Optionally, the processor 950 is further configured to: if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals; when the sound signal is collected, carrying out noise reduction processing on the sound signal according to the sound source direction to obtain a noise-reduced sound signal; and playing the sound signal subjected to noise reduction processing through audio output equipment of the terminal.
Optionally, the processor 950 is further configured to: converting the collected sound signals into a recording file; carrying out noise reduction processing on the sound recording file; and playing the recording file subjected to the noise reduction treatment through audio output equipment of the terminal.
Optionally, the processor 950 is further configured to: when a user performs voice communication operation with another party user through a preset application, acquiring the voice of the other party user; the voice communication operation comprises a call operation or voice playing; extracting voiceprint features from the collected voice of the other party user; and storing the extracted voiceprint features as sample voiceprint features.
In the embodiment of the invention, when a user plays a first audio signal in a preset mode through the terminal, the sound signal in the surrounding environment of the terminal is collected, and when the voiceprint characteristic of the sound signal is accompanied with the preset sample voiceprint characteristic, the first audio signal is processed, so that the user can hear the sound signal. Therefore, when the user listens to the first audio file, the user can also perceive the speaking behavior of other people with the user, and the user cannot hear other people around speaking to the user due to the covering of the volume, so that the influence of the operation of playing the first audio signal by the terminal on the communication between the user and other people is avoided.
Further, the present invention also provides a terminal, as shown in fig. 10, the terminal 1000 includes: a memory 1001, a processor 1002 and a computer program 1003 stored on said memory 1001 and being executable on said processor 1002, said processor 1002 implementing the steps in the audio signal processing method according to any one of the embodiments of the present invention when executing said program.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An audio signal processing method, applied to a terminal, includes:
when a terminal plays a first audio signal in a preset mode, acquiring a sound signal of the surrounding environment of the terminal;
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features and the volume value of the sound signals exceeds a first threshold value, processing the first audio signals and outputting the sound signals;
the collecting the sound signal and outputting the sound signal includes:
if the voiceprint features of the sound signals are matched with prestored sample voiceprint features, and the volume value of the sound signals exceeds a first threshold value, determining the sound source direction of the sound signals;
when the sound signal is collected, carrying out noise reduction processing on the sound signal according to the sound source direction to obtain a noise-reduced sound signal;
before the step of collecting the sound signal of the surroundings of the terminal, the method further comprises:
when a user performs voice communication operation with another party user through a preset application, acquiring the voice of the other party user; the voice communication operation comprises a call operation or voice playing;
extracting voiceprint features from the collected voice of the other party user;
and storing the extracted voiceprint features as sample voiceprint features.
2. The method of claim 1, wherein processing the first audio signal so that the sound signal is audible to a user comprises:
reducing the output volume of the first audio signal, and outputting the sound signal,
Pausing the playback of the first audio signal, pausing the playback of the first audio signal while outputting the sound signal,
And simultaneously outputting one or more processing methods in the sound signals when the first audio signal is played.
3. The method of claim 2, wherein reducing the output volume at which the first audio signal is played comprises:
reducing the playing volume of the terminal to reduce the output volume of the first audio signal;
or muting the terminal so that the output volume of the first audio signal is reduced to zero;
or, mixing the first audio signal by using a second audio signal with the phase offset with the first audio signal, so that the output volume of the first audio signal is reduced.
4. A terminal, comprising:
the sound signal acquisition module: the terminal is used for acquiring sound signals of the surrounding environment of the terminal when the terminal plays the first audio signals in a preset mode;
the first audio signal processing module: the voice processing unit is used for processing the first audio signal if the voiceprint features of the voice signal are matched with the prestored sample voiceprint features and the volume value of the voice signal exceeds a first threshold value;
the first audio signal processing module comprises a second processing unit, and is used for reducing the output volume of the first audio signal and outputting the sound signal at the same time;
the second processing unit includes:
sound source direction determining subunit: the voice source direction determining unit is used for determining the voice source direction of the voice signal if the voiceprint characteristics of the voice signal are matched with the prestored sample voiceprint characteristics and the volume value of the voice signal exceeds a first threshold value;
a first noise reduction subunit: the voice signal processing device is used for carrying out noise reduction processing on the voice signal according to the direction of the sound source when the voice signal is collected, so as to obtain the voice signal subjected to the noise reduction processing;
a first playback subunit: the audio output device is used for playing the sound signal subjected to the noise reduction processing;
the terminal further comprises:
the voice acquisition module: the voice communication method comprises the steps that when a user carries out voice communication operation with another party user through a preset application, the voice of the other party user is collected; the voice communication operation comprises a call operation or voice playing;
a voiceprint extraction module: extracting voiceprint features from the collected voice of the other party user;
a voiceprint storage module: and the voice print feature extraction module is used for storing the extracted voice print features as sample voice print features.
5. The terminal of claim 4, wherein the first audio signal processing module further comprises at least one of:
a first processing unit: for reducing an output volume of the first audio signal;
a third processing unit: for pausing the playing of the first audio signal;
a fourth processing unit: for pausing the playback of the first audio signal while outputting the sound signal;
a fifth processing unit: for outputting the sound signal simultaneously when playing the first audio signal.
6. The terminal of claim 5, wherein if the first audio signal processing module comprises the first processing unit, the first processing unit comprises:
a playback volume reduction subunit: the audio processing device is used for reducing the playing volume of the terminal so that the output volume of the first audio signal is reduced;
or, the mute subunit: muting the terminal so that the output volume of the first audio signal is reduced to zero;
or, the mixing sub-unit: the audio mixing device is used for mixing audio of a first audio signal by using a second audio signal which is offset from the phase of the first audio signal, so that the output volume of the first audio signal is reduced;
if the first audio signal processing module includes the second processing unit, the second processing unit includes: the playback volume reduction subunit, or the mute subunit, or the mix subunit.
7. The terminal of claim 5, wherein if the first audio signal processing module comprises the fourth processing unit, the fourth processing unit comprises: the sound source direction determining subunit, the first noise reducing subunit and the first playing subunit.
8. The terminal of claim 5,
the second processing unit further comprises:
a recording subunit: the voice acquisition device is used for converting the acquired voice signals into a recording file;
a second noise reduction subunit: the voice recording device is used for carrying out noise reduction processing on the voice recording file;
a second playback subunit: the audio output device is used for playing the recording file subjected to noise reduction processing through the audio output device of the terminal;
when the first audio signal processing module includes the fourth processing unit, the fourth processing unit includes: the recording subunit, the second denoising subunit, and the second playing subunit.
9. A terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the steps in the audio signal processing method according to any of claims 1 to 3 when executing the program.
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| CN107682786A (en) * | 2017-10-31 | 2018-02-09 | 广东小天才科技有限公司 | Anti-interference method for microphone equipment and microphone equipment |
| CN108257603A (en) * | 2017-12-05 | 2018-07-06 | 湖南海翼电子商务股份有限公司 | Multimedia volume adjustment device and multimedia volume adjusting method |
| CN108156550B (en) * | 2017-12-27 | 2020-03-31 | 上海传英信息技术有限公司 | Playing method and device of headset |
| CN108447502B (en) * | 2018-03-09 | 2020-09-22 | 福州米鱼信息科技有限公司 | Memorandum method and terminal based on voice information |
| CN108540661A (en) * | 2018-03-30 | 2018-09-14 | 广东欧珀移动通信有限公司 | Signal processing method, device, terminal, earphone and readable storage medium storing program for executing |
| CN108289267A (en) * | 2018-04-14 | 2018-07-17 | 北京智网时代科技有限公司 | Eliminate echo cancelling device, method, speaker, the voice frequency sender of TV interference |
| CN110545504A (en) * | 2018-05-29 | 2019-12-06 | 洞见未来科技股份有限公司 | Personal hearing device, external sound processing device and related computer program product |
| CN110187859A (en) * | 2019-04-12 | 2019-08-30 | 华为技术有限公司 | A kind of denoising method and electronic equipment |
| CN110719545B (en) * | 2019-09-12 | 2022-11-08 | 连尚（新昌）网络科技有限公司 | Audio playing device and method for playing audio |
| CN110691300B (en) * | 2019-09-12 | 2022-07-19 | 连尚（新昌）网络科技有限公司 | Audio playing device and method for providing information |
| CN111464905A (en) * | 2020-04-09 | 2020-07-28 | 电子科技大学 | Hearing enhancement method and system based on intelligent wearable device and wearable device |
| CN111863004A (en) * | 2020-07-29 | 2020-10-30 | 芯讯通无线科技（上海）有限公司 | Sound signal processing method, system, electronic device and storage medium |
| CN113099338A (en) * | 2021-03-08 | 2021-07-09 | 头领科技（昆山）有限公司 | Intelligent control's audio chip and wireless earphone of making an uproar that falls |
| CN113470661A (en) * | 2021-06-17 | 2021-10-01 | 深圳市视晶无线技术有限公司 | Audio talkback starting request method for realizing automatic PTT, audio talkback method and storage medium |
| CN114141274A (en) * | 2021-11-22 | 2022-03-04 | 珠海格力电器股份有限公司 | Audio processing method, device, equipment and system |
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| US9704486B2 (en) * | 2012-12-11 | 2017-07-11 | Amazon Technologies, Inc. | Speech recognition power management |
| CN104978958A (en) * | 2014-04-14 | 2015-10-14 | 美的集团股份有限公司 | Voice control method and system |
| CN105810219B (en) * | 2016-03-11 | 2018-03-16 | 宇龙计算机通信科技(深圳)有限公司 | Player method, play system and the voice frequency terminal of multimedia file |
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