CN111179969A - Alarm method, device and system based on audio information and storage medium - Google Patents
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Abstract
The invention discloses an alarm method, an alarm device, an alarm system and a storage medium based on audio information, wherein the alarm method comprises the following steps: acquiring sound data containing audio information; recognizing the sound data according to a sample library, wherein the sample library comprises simulation data and basic data; and when the sound data contains preset audio information, generating an alarm signal. By implementing the method, basic data and simulation data are preset in the sample library, and meanwhile, the acquired sound data is compared with the data in the sample library to judge whether an alarm signal is generated or not. Therefore, the alarm method based on the audio information provided by the embodiment of the invention can generate the alarm signal by identifying the sound data, and solves the technical problem that an alarm button needs to be adopted for alarming in the prior art. Meanwhile, as the basic data and the simulation data are set in the sample library, the acquired sound data can be more accurately identified in the follow-up process, and the reliability of alarming is improved.
Description
Technical Field
The invention relates to the technical field of security protection, in particular to an alarm method, device and system based on audio information and a storage medium.
Background
In social life, the incidents of illegal infringement on personal safety and property safety of other people are possible to happen at any time, and particularly in some public places, timely alarming is an important means for protecting personal safety and property safety when the incidents of illegal infringement occur. There are many kinds of alarm devices on the market today, and the alarm device is usually triggered by means of an alarm button.
However, in many cases, it is difficult for the victim to trigger the alarm button, such as robbery at the roadside or terrorist attack at banks and stations, and in these cases, the victim has lost the freedom of action and has no chance to trigger the alarm button at all, and if the alarm is forced, the safety of the victim may be threatened, and in addition, the victim may not exactly speak his/her own geographical location because of the conditions of panic and confused emotion, etc. caused by the emergency, and the time for the police to arrive at the scene is delayed.
Disclosure of Invention
In view of this, embodiments of the present invention provide an alarm method, apparatus, system and storage medium based on audio information, so as to solve the problem that an alarm device in the prior art cannot alarm in time.
The technical scheme provided by the invention is as follows:
the first aspect of the embodiments of the present invention provides an alarm method based on audio information, where the alarm method includes the following steps: acquiring sound data containing audio information; identifying the sound data according to a sample library, wherein the sample library comprises simulation data and basic data; and when the sound data contains preset audio information, generating an alarm signal.
Optionally, identifying the sound data according to a sample library includes: calculating to obtain an environment data feature vector and a first alarm data feature vector according to the sound data; converting the alarm data characteristic vector by using machine learning to obtain a first conversion result; and confirming whether the sound data contains preset audio information or not according to the basic data in the sample library and the first conversion result.
Optionally, when the sound data includes a preset audio, generating an alarm signal, including: and when the sound data contains preset audio information, generating a first alarm signal.
Optionally, identifying the sound data according to a sample library includes: calculating an environment data feature vector and an alarm feature vector according to the sound data, wherein the alarm feature vector comprises a second alarm data feature vector and an alarm sound feature vector; converting the second alarm data characteristic vector by using machine learning to obtain a second conversion result; matching the alarm sound characteristic vectors according to the simulation data in the sample library to obtain a matching result; and confirming whether the sound data contains preset audio information or not according to the second conversion result and the matching result.
Optionally, when the sound data includes a preset audio, generating an alarm signal, including: and when the sound data contains preset audio information, generating a second alarm signal.
Optionally, the alarm method based on the audio information further includes: judging whether the first conversion result or the second conversion result contains a preset keyword or not; and when the preset keywords are contained, generating corresponding alarm signals according to the preset keywords.
A second aspect of an embodiment of the present invention provides an alarm device based on audio information, where the alarm device includes: the acquisition module is used for acquiring sound data containing audio information; the recognition module is used for recognizing the sound data according to a sample library, and the sample library comprises simulation data and basic data; and the alarm module is used for generating an alarm signal when the sound data contains preset audio information.
A third aspect of an embodiment of the present invention provides an alarm system based on audio information, where the alarm system includes: a sound pickup for acquiring sound data containing audio information; the microprocessor is used for identifying the sound data according to a sample library, and the sample library comprises simulation data and basic data; and when the sound data contains preset audio information, generating an alarm signal.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, where computer instructions are stored, and the computer instructions are configured to cause the computer to execute the audio information based alarm method according to any one of the first aspect and the first aspect of the embodiments of the present invention.
A fifth aspect of the embodiments of the present invention provides an alarm terminal based on audio information, including: the alarm device comprises a memory and a processor, wherein the memory and the processor are connected with each other in a communication mode, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the alarm method based on the audio information according to the first aspect of the embodiment of the invention and any one of the first aspect and the second aspect.
The technical scheme provided by the invention has the following effects:
according to the alarm method, the alarm device, the alarm system and the storage medium based on the audio information, provided by the embodiment of the invention, the basic data and the simulation data are preset in the sample library, and meanwhile, the acquired sound data is compared with the data in the sample library to judge whether an alarm signal is generated. Therefore, the alarm method based on the audio information provided by the embodiment of the invention can generate the alarm signal by identifying the sound data, and solves the technical problem that an alarm button needs to be adopted for alarming in the prior art. Meanwhile, as the basic data and the simulation data are set in the sample library, the acquired sound data can be more accurately identified in the follow-up process, and the reliability of alarming is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of an alarm method based on audio information according to an embodiment of the present invention;
FIG. 2 is a flow chart of an alerting method based on audio information according to another embodiment of the present invention;
FIG. 3 is a flow chart of an alerting method based on audio information according to another embodiment of the present invention;
FIG. 4 is a block diagram of an alarm device based on audio information according to an embodiment of the present invention;
FIG. 5 is a block diagram of an alarm system based on audio information according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a hardware structure of an alarm terminal based on audio information according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but 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.
Example 1
The embodiment of the invention provides an alarm method based on audio information, which comprises the following steps as shown in figure 1:
step S101: acquiring sound data containing audio information; specifically, a high-definition sound pickup can be selected to acquire sound data, and the sound pickup can be arranged in schools, communities, traffic intersections and other positions which need to be monitored. In addition, other devices such as a microphone may be selected to acquire the sound data, which is not limited in the present invention.
Step S102: the sound data is identified according to a sample library, which includes simulation data and basic data.
When the alarm is required to be given for help, most of the alarms are generated in a dangerous environment, and the sound tone of an alarm person per se can be high, short breath and even trembling of pronunciation due to the tense sound; meanwhile, the sound data acquired in step S101 may further include a non-alarm sound. In order to accurately identify these sounds, simulation data and basic data may be set in a sample library.
The basic data can include some text contents of the alarm of the victim or the alarm, such as 110, 120, the sound of calling for help of life saving, robbery and the like; some voice content of surrender, disapproval, etc. may also be included. The simulation data may include sound data simulating a real environment such as robbery or help, and may also include sound data simulating other real environments, which is not limited in the present invention.
Specifically, when the sound data is identified according to the sample library, the acquired sound data may be matched with the data in the sample library, and whether the acquired sound data includes preset audio information that is the same as the data in the sample library is determined.
Step S103: and when the sound data contains preset audio information, generating an alarm signal. Specifically, the generated alarm signal may be used as a trigger signal, the trigger signal may start an early warning or alarm device, and the alarm device may be an audible and visual alarm, or may quickly notify a nearby police service or security agency of an alarm according to the trigger signal.
According to the alarm method based on the audio information, provided by the embodiment of the invention, the basic data and the simulation data are preset in the sample library, and meanwhile, the acquired sound data is compared with the data in the sample library to judge whether an alarm signal is generated. Therefore, the alarm method based on the audio information provided by the embodiment of the invention can generate the alarm signal by identifying the sound data, and solves the technical problem that an alarm button needs to be adopted for alarming in the prior art. Meanwhile, as the basic data and the simulation data are set in the sample library, the acquired sound data can be more accurately identified in the follow-up process, and the reliability of alarming is improved.
As an optional implementation manner of the embodiment of the present invention, as shown in fig. 2, the step S102 of identifying the sound data according to the sample library includes:
step S201: calculating according to the sound data to obtain an environment data feature vector and a first alarm data feature vector; specifically, the environmental data and the first alarm data containing text information in the sound data can be extracted by a feature extraction method; the environmental data may include, among other things, noise data, such as wind sounds in sound data, noise of automobiles or other extraneous sounds, and so forth. Therefore, through the feature extraction process, not only the first alarm data containing the text information can be extracted, but also the noise data can be extracted, and the process of drying the sound data is omitted.
Step S202: converting the alarm data characteristic vector by using machine learning to obtain a first conversion result; specifically, the conversion process is a technique that causes a machine to convert a speech signal into a corresponding text or command through a recognition and understanding process.
For example, a DTW algorithm may be employed, namely: the whole word is used as a recognition unit and recognized by a template matching method. In the training stage, a user speaks each word in the vocabulary once, extracts the characteristics and stores the characteristics as a template in a template library. In the recognition stage, the characteristics of a new word to be recognized are extracted in the same way, and then the DTW algorithm is adopted to match with each template in the template library to calculate the distance. The shortest distance is found, i.e. the most similar one is the recognized word.
And a recurrent neural network based on an LSTM (Long Sort Term Memory, Long-time Memory network) can be combined, so that the model has the Long-time Memory capability, and the conversation context is combined to carry out accurate semantic understanding to obtain a first conversion result.
Step S203: and confirming whether the sound data contains preset audio information or not according to the basic data in the sample library and the first conversion result. Specifically, the first conversion result includes some text information, the text information is matched with the basic data in the sample library to determine whether the acquired sound data includes preset audio information, and when the sound data includes the preset audio information, a first alarm signal may be generated.
As an optional implementation manner of the embodiment of the present invention, as shown in fig. 3, the step S102 of identifying the sound data according to the sample library includes:
step S301: calculating according to the sound data to obtain an environment data feature vector and an alarm feature vector, wherein the alarm feature vector comprises a second alarm data feature vector and an alarm sound feature vector; specifically, the environmental data and the alarm data in the sound data may be extracted by a feature extraction method, wherein the alarm data may include second alarm data including text information and alarm sound data including a sound feature. Alternatively, the alarm sound feature vector extraction method may employ mel-frequency cepstrum coefficients MFCC, linear prediction cepstrum coefficients LPCC, a multimedia content description interface MPEG7, or the like.
Step S302: converting the second alarm data characteristic vector by using machine learning to obtain a second conversion result; specifically, the conversion process is a technique that causes a machine to convert a speech signal into a corresponding text or command through a recognition and understanding process, in particular. The conversion may be performed by using a DTW algorithm or by combining with a recurrent neural network based on LSTM (Long Sort Term Memory network), so as to obtain a second conversion result.
Step S303: matching the alarm sound characteristic vectors according to the simulation data in the sample library to obtain a matching result; specifically, the acquired sound data may contain text information which is the same as the data in the sample library but not the sound data of the alarm. Therefore, by matching the alarm sound feature vector obtained by feature extraction with the simulation data in the sample library, the sound feature of the text information can be identified after the text information is confirmed, and whether the alarm information is received or not can be further judged.
Step S304: and confirming whether the sound data contains preset audio information or not according to the second conversion result and the matching result. And when the sound data contains preset audio information, generating a second alarm signal.
The alarm method based on the audio information provided by the embodiment of the invention can identify the acquired sound data according to the basic data in the sample library, and can also identify the acquired sound data through the simulation data. The voice characteristic data can be identified on the basis of text content identification, so that the accuracy of the alarm method can be improved, the reliability of alarm can be improved, the number of times of invalid alarm can be reduced, and the waste of police resources can be avoided.
Optionally, the alarm method based on the audio information further includes: judging whether the first conversion result or the second conversion result contains a preset keyword or not; and when the preset keywords are contained, generating corresponding alarm signals according to the preset keywords. Specifically, the preset keywords may be alarm signals such as 120, 110, or 119, and when the conversion result includes the keywords, the alarm system may be triggered to directly notify medical staff, police staff, or fire staff, etc. through the generated alarm signals.
Example 2
An embodiment of the present invention provides an alarm device based on audio information, as shown in fig. 4, the alarm device includes:
the acquisition module 1 is used for acquiring sound data containing audio information; for details, refer to the related description of step S101 in the above method embodiment.
The recognition module 2 is used for recognizing the sound data according to a sample library, and the sample library comprises simulation data and basic data; for details, refer to the related description of step S102 in the above method embodiment.
And the alarm module 3 is used for generating an alarm signal when the sound data contains preset audio information. For details, refer to the related description of step S103 in the above method embodiment.
According to the alarm device based on the audio information, provided by the embodiment of the invention, the basic data and the simulation data are preset in the sample library, and meanwhile, the acquired sound data is compared with the data in the sample library to judge whether an alarm signal is generated. Therefore, the alarm device based on the audio information provided by the embodiment of the invention can generate the alarm signal by identifying the sound data, and solves the technical problem that an alarm button needs to be adopted for alarming in the prior art. Meanwhile, as the basic data and the simulation data are set in the sample library, the acquired sound data can be more accurately identified in the follow-up process, and the reliability of alarming is improved.
The functional description of the alarm device based on the audio information provided by the embodiment of the invention refers to the description of the alarm method based on the audio information in the above embodiment in detail.
Example 3
An embodiment of the present invention provides an alarm system based on audio information, as shown in fig. 5, the alarm system includes:
a sound pickup 10 for acquiring sound data containing audio information;
a microprocessor 20 for identifying the sound data according to a sample library, the sample library including simulation data and basic data; and when the sound data contains preset audio information, generating an alarm signal.
Specifically, the alarm system based on audio information provided by the embodiment of the present invention is disposed on an alarm pillar on a roadside, and may also be disposed in a place or area where a key alarm is inconvenient or impossible to arrange, which is not limited by the present invention.
According to the alarm system based on the audio information, provided by the embodiment of the invention, the basic data and the simulation data are preset in the sample library, and meanwhile, the acquired sound data is compared with the data in the sample library to judge whether an alarm signal is generated. Therefore, the alarm system based on the audio information provided by the embodiment of the invention can generate the alarm signal by identifying the sound data, and solves the technical problem that an alarm button needs to be adopted for alarming in the prior art. Meanwhile, as the basic data and the simulation data are set in the sample library, the acquired sound data can be more accurately identified in the follow-up process, and the reliability of alarming is improved.
Example 4
The embodiment of the present invention further provides an alarm terminal based on audio information, as shown in fig. 6, the alarm terminal based on audio information may include a processor 51 and a memory 52, where the processor 51 and the memory 52 may be connected by a bus or in another manner, and fig. 6 takes the connection by a bus as an example.
The processor 51 may be a Central Processing Unit (CPU). The Processor 51 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or combinations thereof.
The memory 52, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as the corresponding program instructions/modules in the embodiments of the present invention. The processor 51 executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory 52, that is, implements the alarm method based on audio information in the above method embodiments.
The memory 52 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 51, and the like. Further, the memory 52 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 52 may optionally include memory located remotely from the processor 51, and these remote memories may be connected to the processor 51 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 52 and, when executed by the processor 51, perform an audio information based alerting method as in the embodiment of fig. 1-3.
The specific details of the alarm terminal based on the audio information may be understood by referring to the corresponding related descriptions and effects in the embodiments shown in fig. 1 to fig. 3, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. An alarm method based on audio information is characterized by comprising the following steps:
acquiring sound data containing audio information;
identifying the sound data according to a sample library, wherein the sample library comprises simulation data and basic data;
and when the sound data contains preset audio information, generating an alarm signal.
2. The audio information-based alarm method according to claim 1, wherein the identifying the sound data according to a sample library comprises:
calculating to obtain an environment data feature vector and a first alarm data feature vector according to the sound data;
converting the alarm data characteristic vector by using machine learning to obtain a first conversion result;
and confirming whether the sound data contains preset audio information or not according to the basic data in the sample library and the first conversion result.
3. The audio information-based alarm method according to claim 2, wherein generating an alarm signal when the sound data includes a preset audio includes:
and when the sound data contains preset audio information, generating a first alarm signal.
4. The audio information-based alarm method according to claim 1, wherein the identifying the sound data according to a sample library comprises:
calculating an environment data feature vector and an alarm feature vector according to the sound data, wherein the alarm feature vector comprises a second alarm data feature vector and an alarm sound feature vector;
converting the second alarm data characteristic vector by using machine learning to obtain a second conversion result;
matching the alarm sound characteristic vectors according to the simulation data in the sample library to obtain a matching result;
and confirming whether the sound data contains preset audio information or not according to the second conversion result and the matching result.
5. The audio-information-based alarm method according to claim 4, wherein generating an alarm signal when the sound data contains a preset audio comprises:
and when the sound data contains preset audio information, generating a second alarm signal.
6. The audio-information-based alerting method of claim 2 or 4, further comprising:
judging whether the first conversion result or the second conversion result contains a preset keyword or not;
and when the preset keywords are contained, generating corresponding alarm signals according to the preset keywords.
7. An alarm device based on audio information, comprising:
the acquisition module is used for acquiring sound data containing audio information;
the recognition module is used for recognizing the sound data according to a sample library, and the sample library comprises simulation data and basic data;
and the alarm module is used for generating an alarm signal when the sound data contains preset audio information.
8. An alarm system based on audio information, comprising:
a sound pickup for acquiring sound data containing audio information;
the microprocessor is used for identifying the sound data according to a sample library, and the sample library comprises simulation data and basic data; and when the sound data contains preset audio information, generating an alarm signal.
9. A computer-readable storage medium storing computer instructions for causing a computer to execute the audio-information-based alerting method according to any one of claims 1 to 6.
10. An alarm terminal based on audio information, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, the processor executing the computer instructions to perform the audio information based alert method of any of claims 1 to 6.
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| CN112542007A (en) * | 2020-11-30 | 2021-03-23 | 福州外语外贸学院 | Dangerous target detection method and system between financial withdrawals |
| CN113879931A (en) * | 2021-09-13 | 2022-01-04 | 厦门市特种设备检验检测院 | Elevator safety monitoring method |
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