CN111212409A - Sound equipment for playing with wireless multiple sound channels of sound source - Google Patents
Sound equipment for playing with wireless multiple sound channels of sound source Download PDFInfo
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- CN111212409A CN111212409A CN201911358765.1A CN201911358765A CN111212409A CN 111212409 A CN111212409 A CN 111212409A CN 201911358765 A CN201911358765 A CN 201911358765A CN 111212409 A CN111212409 A CN 111212409A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 241000566146 Asio Species 0.000 claims description 6
- 101150036464 aptx gene Proteins 0.000 claims description 6
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention relates to a sound equipment for playing with a same sound source wireless multi-channel, which comprises a host and a plurality of slave machines, wherein the host is provided with an MCU (microprogrammed control unit), a terminal Bluetooth module, a host decoding module, a host power amplifier module and a mid-bass loudspeaker, the MCU is respectively connected with the terminal Bluetooth module, the host Bluetooth module and the host decoding module, the terminal Bluetooth module is used for being wirelessly connected with intelligent terminal equipment, and the number of the host Bluetooth modules is matched with that of the slave machines; the slave machine is respectively provided with a slave machine Bluetooth module, a slave machine decoding module, a slave machine power amplifier module and a left loudspeaker and a right loudspeaker, and the slave machine Bluetooth module is wirelessly connected with the host machine Bluetooth module. The invention not only solves the weak point of placing wired transmission wiring, is convenient to install, but also improves the quality of wireless transmission signals and improves the experience of users.
Description
Technical Field
The invention relates to the field of sound equipment, in particular to sound equipment for playing a plurality of sound channels wirelessly with a sound source.
Background
With the improvement of living standard, people all have a healthy life with high quality, and audio products (such as home theater equipment) are often necessary equipment for improving the quality of home life.
However, in the conventional home theater, the connected playback of each sound channel is performed in a wired manner, so that the user can only perform wiring arrangement before finishing the house, and the wiring connection is somewhat careless, which causes many adverse effects and is very unfavorable for later upgrading or equipment replacement.
In addition, the whole wiring, especially the open wiring, can disturb the room layout. Even if the problem of disordered wiring patterns is solved by adopting the hidden wires, the problems of wire aging and difficult modification still cannot be solved.
Therefore, a multichannel audio device using the bluetooth technology appears in the market, but the existing multichannel audio device has the technical problem of poor quality of wireless transmission signals although the problem of difficult wiring is solved, and the user experience is greatly influenced.
Disclosure of Invention
In order to solve the technical problems, the invention overcomes the traditional wiring obstacle, provides a brand-new sound equipment for playing the same-sound-source wireless multi-channel, receives and analyzes the test signal through the master-slave Bluetooth, and reasonably transmits each channel signal to the corresponding module for decoding and playback, thereby not only solving the technical problems of complex wiring arrangement and easy aging of the circuit at the equipment end in the wired transmission, but also improving the quality of the wireless transmission signal and greatly improving the user experience.
The specific scheme is as follows:
a sound equipment for playing with a same sound source wireless multi-channel comprises a host and a plurality of slave machines, wherein the host is provided with an MCU (microprogrammed control unit), a terminal Bluetooth module, a host decoding module, a host power amplifier module and a midbass loudspeaker, the MCU is respectively connected with the terminal Bluetooth module, the host Bluetooth module and the host decoding module, the host power amplifier module and the midbass loudspeaker are sequentially connected, the terminal Bluetooth module is used for being wirelessly connected with intelligent terminal equipment, and the number of the host Bluetooth modules is matched with that of the slave machines;
the slave machine is respectively provided with a slave machine Bluetooth module, a slave machine decoding module, a slave machine power amplifier module, a left loudspeaker and a right loudspeaker, the slave machine Bluetooth module, the slave machine decoding module, the slave machine power amplifier module and the left loudspeaker are sequentially connected, and the slave machine Bluetooth module is wirelessly connected with the master machine Bluetooth module.
Furthermore, the host bluetooth module writes a fixed MAC address, and the MAC address is the same as the matching information of the slave bluetooth module, so as to realize direct pairing of the host bluetooth module and the slave bluetooth module.
Furthermore, the slave machines are provided with two slave machines, and the left loudspeaker and the right loudspeaker are respectively provided with a front left loudspeaker and a rear right loudspeaker.
Further, the host supports ASIO driving and Aptx protocol transmission.
Further, the slave machine supports ASIO driving and Aptx protocol transmission.
The invention adopts a wireless pairing mode to solve the problem of wiring and placing of each sound channel at the wired port, thereby realizing the advantage of simple and convenient installation.
The invention realizes the high quality of wireless signals because the host and the slave support ASIO driving and Aptx protocol transmission in the wireless pairing process, and further control the equipment delay within 10 ms; the master Bluetooth module and the slave Bluetooth module receive the analysis test signals and reasonably transmit each sound channel signal to the corresponding decoding module for decoding and replaying, so that the problem of sending delay confirmation in the early period is corrected, the quality of a played signal is controlled to be in a low-delay state, the transmission quality of a wireless signal is ensured, and the user experience is improved.
Has the advantages that:
according to the invention, after the terminal Bluetooth module on the host computer is wirelessly paired with the intelligent terminal equipment, the MCU analyzes each channel code, and transmits the sound channel information out through the host computer Bluetooth module and is paired and received by the slave computer Bluetooth module for playing, so that the weakness of wired transmission wiring arrangement is solved, the installation is convenient and fast, the quality of wireless transmission signals is improved, and the user experience is improved.
Drawings
FIG. 1 is a schematic view of the module connection framework of the present invention.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The invention will now be further described with reference to the accompanying drawings and detailed description.
The invention provides sound equipment for playing with a sound source and multiple wireless channels.
The host machine is provided with an MCU, a terminal Bluetooth module, a host machine decoding module, a host machine power amplifier module and a midbass loudspeaker, wherein the MCU is respectively connected with the terminal Bluetooth module, the host machine Bluetooth module and the host machine decoding module, the host machine power amplifier module and the midbass loudspeaker are sequentially connected, the terminal Bluetooth module is used for being wirelessly connected with intelligent terminal equipment, and the number of the host machine Bluetooth modules is matched with that of the slave machines.
The slave machine of the invention is respectively provided with a slave machine Bluetooth module, a slave machine decoding module, a slave machine power amplifier module, a left loudspeaker and a right loudspeaker, wherein the slave machine Bluetooth module, the slave machine decoding module, the slave machine power amplifier module and the left loudspeaker are sequentially connected, and the slave machine Bluetooth module is wirelessly connected with the master machine Bluetooth module.
As a preferred embodiment of the present invention, the master bluetooth module writes a fixed MAC address, and the MAC address is the same as the matching information of the slave bluetooth module, so as to realize direct pairing between the master bluetooth module and the slave bluetooth module.
In another preferred embodiment of the present invention, the slave includes two slave units, and the left and right speakers include front left and right speakers and rear left and right speakers, respectively.
As a further preferred scheme of the present invention, the master and the slave support ASIO driving and Aptx protocol transmission, so as to further control the device delay within 10ms, and greatly improve the consistency of sound channel playing, thereby improving the quality of wireless transmission signals and greatly improving the user experience.
Referring to fig. 1, a preferred embodiment of the present invention is provided with two slaves, a first slave and a second slave. The first slave machine is provided with a first slave machine Bluetooth module, the second slave machine is provided with a second slave machine Bluetooth module, and correspondingly, the host machine is provided with a first host machine Bluetooth module and a second host machine Bluetooth module, the first host machine Bluetooth module is in wireless connection with the first slave machine Bluetooth module, and the second host machine Bluetooth module is in wireless connection with the second slave machine Bluetooth module. The first slave machine is provided with a front left loudspeaker and a rear left loudspeaker, and the second slave machine is provided with a rear left loudspeaker and a rear right loudspeaker.
When the Bluetooth wireless network is used, the host, the first slave machine and the second slave machine are started, and the first host Bluetooth module and the second host Bluetooth module on the host enter a broadcast pairing state. Because the first host Bluetooth module is written with a fixed MAC address and has the same matching information with the first slave Bluetooth module on the slave, the first host Bluetooth module and the first slave Bluetooth module can be directly paired; correspondingly, the second master bluetooth module writes a fixed MAC address and matches the matching information of the second slave bluetooth module on the slave, so that the second master bluetooth module and the second slave bluetooth module can be directly paired.
Open intelligent terminal equipment and carry out the bluetooth search, only show the terminal bluetooth module's of host computer information, intelligent terminal equipment initiative is connected, matches with terminal bluetooth module, and intelligent terminal equipment passes through the bluetooth and plays the sound source. The terminal Bluetooth module on the host receives the signal of the sound source, the signal is transmitted to the host decoding module through the MCU, and then the low-frequency signal and the intermediate-frequency signal are obtained after sound channel analysis and transmitted to the mid-bass loudspeaker on the host for playing.
The front left and right surround signals are transmitted to the first host Bluetooth module for signal transmission and received by the corresponding first slave Bluetooth module, and the first slave Bluetooth module receives the signals, decodes the sound channel by the slave decoding module, transmits the signals to the power amplification module for signal amplification and transmits the signals to the front left and right loudspeakers for playback.
The rear left and right surround signals are transmitted to a second host Bluetooth module for signal transmission and received by a corresponding second slave Bluetooth module, and the second slave Bluetooth module receives the signals, decodes the sound channel by a slave decoding module, transmits the signals to a power amplification module for signal amplification and transmits the signals to rear left and right loudspeakers for playback.
According to the invention, after the Bluetooth signals are paired, the interior of the Bluetooth signals is analyzed through the MCU, and the interior of each Bluetooth module is subjected to time delay self-adaptive adjustment, so that the consistency and the matching degree of the playing sound channel are greatly improved, the defect of wired transmission wiring arrangement is overcome, the installation is convenient, the quality of wireless transmission signals is improved, and the user experience is improved.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A sound equipment with the wireless multi-channel playing of sound source is characterized in that: the sound equipment comprises a host and a plurality of slave machines, wherein the host is provided with an MCU (microprogrammed control unit), a terminal Bluetooth module, a host decoding module, a host power amplifier module and a midbass loudspeaker, the MCU is respectively connected with the terminal Bluetooth module, the host Bluetooth module and the host decoding module, the host power amplifier module and the midbass loudspeaker are sequentially connected, the terminal Bluetooth module is used for being wirelessly connected with intelligent terminal equipment, and the number of the host Bluetooth modules is matched with that of the slave machines;
the slave machine is respectively provided with a slave machine Bluetooth module, a slave machine decoding module, a slave machine power amplifier module, a left loudspeaker and a right loudspeaker, the slave machine Bluetooth module, the slave machine decoding module, the slave machine power amplifier module and the left loudspeaker are sequentially connected, and the slave machine Bluetooth module is wirelessly connected with the master machine Bluetooth module.
2. Audio device for wireless multichannel playback with sound sources according to claim 1, characterized in that: the host Bluetooth module is written with a fixed MAC address, and the MAC address is the same as the matching information of the slave Bluetooth module, so that the host Bluetooth module and the slave Bluetooth module can be directly paired.
3. Audio device for wireless multichannel playback with sound sources according to claim 1, characterized in that: the slave machines are provided with two slave machines, and the left loudspeaker and the right loudspeaker are respectively provided with a front left loudspeaker and a rear right loudspeaker.
4. Audio device for wireless multi-channel playback from a source according to one of the claims 1 to 3, characterized in that: the host supports ASIO driving and Aptx protocol transmission.
5. Audio device for wireless multi-channel playback from a source according to one of the claims 1 to 3, characterized in that: the slave machine supports ASIO driving and Aptx protocol transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358765.1A CN111212409A (en) | 2019-12-25 | 2019-12-25 | Sound equipment for playing with wireless multiple sound channels of sound source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358765.1A CN111212409A (en) | 2019-12-25 | 2019-12-25 | Sound equipment for playing with wireless multiple sound channels of sound source |
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| Publication Number | Publication Date |
|---|---|
| CN111212409A true CN111212409A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911358765.1A Pending CN111212409A (en) | 2019-12-25 | 2019-12-25 | Sound equipment for playing with wireless multiple sound channels of sound source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533190A (en) * | 2020-11-20 | 2021-03-19 | 歌尔科技有限公司 | Control method of slave device, and computer-readable storage medium |
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| CN203813947U (en) * | 2014-02-13 | 2014-09-03 | 福来宝电子(深圳)有限公司 | Intelligent multi-channel surround sound equipment |
| CN204616044U (en) * | 2015-06-04 | 2015-09-02 | 宁波翼动通讯科技有限公司 | Based on the music share system of Bluetooth technology |
| CN105392088A (en) * | 2015-11-05 | 2016-03-09 | 晋鲁杰 | Wireless connection sound system |
| CN206004892U (en) * | 2016-08-26 | 2017-03-08 | 欧普照明股份有限公司 | A kind of wireless blue tooth Play System and wireless blue tooth playing device |
| CN106878384A (en) * | 2016-12-30 | 2017-06-20 | 建荣半导体（深圳）有限公司 | Data forwarding method, its device, bluetooth equipment and audio frequency transmission method |
| CN107197402A (en) * | 2017-06-16 | 2017-09-22 | 苏州美声电子有限公司 | Baffle Box of Bluetooth and its control system |
| CN207766505U (en) * | 2017-12-27 | 2018-08-24 | 歌尔丹拿音响有限公司 | Vehicle-mounted Bluetooth sound equipment system |
| CN210868177U (en) * | 2019-12-25 | 2020-06-26 | 厦门盈趣科技股份有限公司 | Sound equipment for playing with wireless multiple sound channels of sound source |
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2019
- 2019-12-25 CN CN201911358765.1A patent/CN111212409A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202721808U (en) * | 2012-07-05 | 2013-02-06 | 深圳市奋达科技股份有限公司 | Portable wireless combined loudspeaker box system |
| CN203734828U (en) * | 2014-02-13 | 2014-07-23 | 福来宝电子(深圳)有限公司 | Intelligent home theater sound equipment system |
| CN203813947U (en) * | 2014-02-13 | 2014-09-03 | 福来宝电子(深圳)有限公司 | Intelligent multi-channel surround sound equipment |
| CN204616044U (en) * | 2015-06-04 | 2015-09-02 | 宁波翼动通讯科技有限公司 | Based on the music share system of Bluetooth technology |
| CN105392088A (en) * | 2015-11-05 | 2016-03-09 | 晋鲁杰 | Wireless connection sound system |
| CN206004892U (en) * | 2016-08-26 | 2017-03-08 | 欧普照明股份有限公司 | A kind of wireless blue tooth Play System and wireless blue tooth playing device |
| CN106878384A (en) * | 2016-12-30 | 2017-06-20 | 建荣半导体（深圳）有限公司 | Data forwarding method, its device, bluetooth equipment and audio frequency transmission method |
| CN107197402A (en) * | 2017-06-16 | 2017-09-22 | 苏州美声电子有限公司 | Baffle Box of Bluetooth and its control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533190A (en) * | 2020-11-20 | 2021-03-19 | 歌尔科技有限公司 | Control method of slave device, and computer-readable storage medium |
| CN112533190B (en) * | 2020-11-20 | 2023-02-28 | 歌尔科技有限公司 | Control method of slave device, and computer-readable storage medium |
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