CN106162438B - The operating method for the system that multifrequency section audio plays - Google Patents
The operating method for the system that multifrequency section audio plays Download PDFInfo
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- CN106162438B CN106162438B CN201610571680.1A CN201610571680A CN106162438B CN 106162438 B CN106162438 B CN 106162438B CN 201610571680 A CN201610571680 A CN 201610571680A CN 106162438 B CN106162438 B CN 106162438B
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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
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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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Abstract
The present invention relates to the operating methods for the system that multifrequency section audio plays, the unit includes MCU and audio IC, playing module, memory module and WiFi module are equipped in audio IC, and MCU is connect with WiFi module, WiFi module is connect with playing module and memory module respectively.After the present invention receives audio signal by MCU, it is transferred to audio IC, when the distance of different multiband audio playing units farther out when, the connection of segmentation short distance is realized using WIFi module and memory module by hithermost multiband audio playing unit, it is delayed when reaching small volume, heatproof height, one-to-many audio transmission small, it is more precisely controlled the propagation distance of sound wave, the otherness of distinct device intensity of sound is small.
Description
Technical field
The present invention relates to the technical fields of audio transmission, more specifically refer to the operation for the system that multiband audio plays
Method.
Background technique
Recently, short distance e-payment is quickly grown, especially after intelligent terminal is gradually popularized, O2O (Online To
Offline) application promotes the development of various short distance e-payment technologies.Applying has in the major technique in the field: being based on
NFC (Near Field Communication, wireless near field communication) technology of 13.56MHz, the RFID- based on 2.4GHz
SIM/RFID-SD technology, QR (Quick Response) code, audio data transmission technology etc..
The shortcomings that audio data transmission technology, is that the propagation distance of sound wave can not be precisely controlled, distinct device intensity of sound
Otherness it is larger, currently, audio-frequency module is integrated with other video transmission modules and picture transfer module etc. mostly,
The circuit board volume for the transmission audio developed with existing WiFi module is too big, the small devices such as many small sound equipment, earphones
It can not be implanted into, module cost is too high, can only do high-end product, one-to-many audio transmission delay is too big, and heatproof is low.
Chinese Patent Application No. 201220558164.2 is related to a kind of audio data transmission apparatus and system, audio frequency apparatus.
Wherein, audio data transmission apparatus includes voice frequency sender and/or audio receiver, further includes for according to the light received
The light sensor that voice frequency sender and/or audio receiver described in strength control open or close, the light sensor point
It is not connected with the voice frequency sender and/or the audio receiver.The audio data transmission apparatus and system of the utility model,
Audio frequency apparatus, the trigger device transmitted using light sensor as audio data can be transmitted audio data between both sides
Distance be reliably controlled in pre-determined distance, improve audio data transmission safety.
Therefore, it is necessary to design a kind of transmission audio system, realize one-to-many audio transmission, multi-point audio mutually transmit with
And audio transmission signal is synchronous, small in size, heatproof is high, and multiple audio frequency apparatuses work at the same time, and is delayed small.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, the operation side of the system of multifrequency section audio broadcasting is provided
Method.
To achieve the above object, the invention adopts the following technical scheme: multifrequency section audio play system operating method,
The system that the operating method has used multifrequency section audio to play, the system comprises several multiband audio playing units
And audio sending module, the multiband audio playing unit include being equipped with to play in MCU and audio IC, the audio IC
Module, memory module and WiFi module, and the MCU is connect with the WiFi module, the WiFi module respectively with it is described
Playing module and memory module connection, the MCU are connect with the audio sending module, the adjacent multiband sound
It is connected between frequency broadcast unit by the WiFi module；
The operating method comprising the following specific steps
It is divided into more after MCU receives audio signal Step 1: audio sending module sends audio signal using WIFi to MCU
A audio section is sent to audio IC by WiFi module and plays out；
Step 2: after audio IC receives the audio section that MCU is transmitted, while audio IC sends audio signal using WiFi module
To the audio IC of hithermost adjacent multiband audio playing unit；
Step 3: audio sending module sends MCU, MCU sends audio signal to multiple multiband audios simultaneously and plays list
When first, after the audio signal that the closer multiband audio playing unit of audio sending module receives MCU transmission, first by sound
Frequency signal is temporary, plays together after waiting other multiband audio playing units all to receive audio signal, when apart from audio
When receiving the audio signal that MCU is sent, audio sending module is sent to the closer multiband audio playing unit of sending module
Audio signal apart from the farther away multiband audio playing unit of audio sending module can be closer apart from audio sending module
Multiband audio playing unit it is temporary.
Its further technical solution are as follows: in the step 1, transmission audio signal to MCU, MCU pushes the same sound simultaneously
Frequency signal is to multiple multiband audio playing units or pushes different audio signals simultaneously to different multifrequency section audio broadcastings
Unit.
Its further technical solution are as follows: in the step 2, when multiband audio playing unit too from audio sending module
When remote, the multiband audio playing unit meeting automatic push audio signal close from audio sending module is to remote from audio sending module
Multiband audio playing unit, formed between multiple multiband audio playing units and transmit audio signal mutually.
Its further technical solution are as follows: in the step 2, in the step 2, using WiFi module be sent near
Multiband audio playing unit during, the standard of the WiFi module of use is IEEE 802.11.
Its further technical solution are as follows: in the step 1 and the step 2, the agreement of audio signal transmission be IP,
The standard of UDP, TCP, RTP, 5.8G, agreement correspond to RFC791, RFC768, RFC793, RFC3550 respectively.
Its further technical solution are as follows: in said step 1, when MCU is to audio signal segmentation, need using voice coder
Code standard is segmented.
Its further technical solution are as follows: the speech coding standard has MP3, PCM and AMBR at least one.
Compared with the prior art, the invention has the advantages that: multiband audio playing unit of the invention is connect by MCU
Receive audio signal after, be transferred to audio IC, when the distance of different multiband audio playing units farther out when, by hithermost more
Frequency band audio broadcast unit realizes the connection of segmentation short distance using WiFi module and memory module, reaches small volume, resistance to
It is delayed when Wen Gao, one-to-many audio transmission small, is more precisely controlled the propagation distance of sound wave, the difference of distinct device intensity of sound
Property is small.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the structural block diagram for the system that the multifrequency section audio that the specific embodiment of the invention provides plays；
Fig. 2 is the functional block diagram of the operating method for the system that the multifrequency section audio that the specific embodiment of the invention provides plays.
Appended drawing reference
10 audio sending module, 20 MCU
30 WiFi module, 40 playing module
50 memory modules
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
The specific embodiment as shown in Fig. 1~2, the operation side for the system that multifrequency section audio provided in this embodiment plays
Method can be used in the equipment that mobile phone, computer, TV, sound equipment and earphone etc. are played with audio, realize a pair of of Multi-audio-frequency
Transmission, multi-point audio are mutually transmitted and audio transmission signal is synchronous, small in size, and heatproof is high, and multiple audio frequency apparatuses work at the same time,
Long transmission distance.
Playing module is equipped in multiband audio playing unit, including MCU20 and several audios IC, the audio IC
40, memory module 50 and WiFi module 30, and the MCU20 is connect with the WiFi module 30, the WiFi module 30 divides
It is not connect with the playing module 40 and the memory module 50.
Above-mentioned transmits audio system using WiFi, after receiving audio signal by MCU20, audio IC is transferred to, when not
With multiband audio playing unit distance farther out when, by hithermost multiband audio playing unit use WiFi module 30
And memory module 50 realizes the connection of segmentation short distance, delay when reaching small volume, heatproof height, one-to-many audio transmission
It is small, it is more precisely controlled the propagation distance of sound wave, the otherness of distinct device intensity of sound is small.
In the present embodiment, only there is MCU20, other multifrequency section audios play in a multiband audio playing unit
Unit only has audio IC.
Further, the operating method of multiband audio playing unit, comprising the following specific steps
Step 1: MCU20 is grouped audio IC；
Step 2: audio signal is divided into multiple audio sections by MCU20, the audio IC for being sent to each grouping is played out.
The present embodiment additionally provides the system of multifrequency section audio broadcasting, plays including several above-mentioned multifrequency section audios single
Member and audio sending module 10, MCU20 connect with audio sending module 10, the adjacent multiband audio playing unit it
Between connected by WiFi module 30.
In the present embodiment, audio sending module 10 is APP, and multiple audio syncs are controlled with transmitting audio frequency apparatus and are broadcast
It puts, combines and distribute different audio IC and play different contents, certainly, in other embodiments, above-mentioned audio sending module
10 be the operation module in computer.
The present invention also provides the operating methods for the system that multifrequency section audio plays, comprising the following specific steps
Step 1: audio sending module 10 sends audio signal to MCU20 using WIFi, after MCU20 receives audio signal,
It is divided into multiple audio sections, audio IC is sent to by WiFi module 30 and is played out；
Step 2: after audio IC receives the audio section that MCU20 is transmitted, while audio IC sends audio using WiFi module 30
Signal to hithermost adjacent multiband audio playing unit audio IC；
Step 3: audio sending module 10 sends MCU20, MCU20 sends audio signal to multiple multiband audios simultaneously
When broadcast unit, the audio letter of MCU20 transmission is received apart from the closer multiband audio playing unit of audio sending module 10
After number, first audio signal is kept in, is played together after waiting other multiband audio playing units all to receive audio signal,
When apart from audio signal of the closer multiband audio playing unit of audio sending module 10 in reception MCU20 transmission, audio
Sending module 10 be sent to the audio signal apart from the farther away multiband audio playing unit of audio sending module 10 can away from
It is temporary from the closer multiband audio playing unit of audio sending module 10.
Further, in the step 1, the transmission audio signal of audio sending module 10 to MCU20, MCU20 pushes away simultaneously
It send the same audio signal to multiple audio IC, or pushes different audio signals simultaneously to different audio IC.
Specifically, MCU20 sends high audio, sound intermediate frequency and bass to multiple audio IC simultaneously；Or MCU20 will be high
Audio, sound intermediate frequency and bass are divided into different groups, for example, high audio, sound intermediate frequency, which are divided into one group, is sent respectively to four sounds
Frequency IC is corresponding in turn to form two L channels and two right channels, while bass is sent to another audio IC, is formed low
Sound big gun.
Further, in the step 2, when multiband audio playing unit is too far from audio sending module 10, from
The close multiband audio playing unit meeting automatic push audio signal of audio sending module 10 is given remote apart from audio sending module 10
Multiband audio playing unit, formed between multiple multiband audio playing units and transmit audio signal mutually.
In addition, being sent to the mistake of hithermost multiband audio playing unit using WiFi module 30 in the step 2
Cheng Zhong, the standard of the WiFi module 30 of use are IEEE 802.11.
In addition, in the step 1 and the step 2, the agreement of audio signal transmission is IP, UDP, TCP, RTP,
The standard of 5.8G, agreement correspond to RFC791, RFC768, RFC793, RFC3550 respectively.
In said step 1, it when MCU20 is to audio signal segmentation, needs to be segmented using speech coding standard.
Specifically, speech coding standard has MP3, PCM and AMBR at least one.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (7)
1. the operating method for the system that multifrequency section audio plays, which is characterized in that the operating method has used multifrequency section audio
The system of broadcasting, the system comprises several multiband audio playing unit and audio sending module, the multibands
Audio playing unit includes that playing module, memory module and WiFi module are equipped in MCU and audio IC, the audio IC,
And the MCU is connect with the WiFi module, the WiFi module connects with the playing module and the memory module respectively
It connects, the MCU is connect with the audio sending module, passes through the WiFi between the adjacent multiband audio playing unit
Module connection；
The operating method comprising the following specific steps
Step 1: audio sending module, which sends audio signal using WIFi, is divided into multiple sounds after MCU receives audio signal to MCU
Frequency range is sent to audio IC by WiFi module and plays out；
Step 2: after audio IC receives the audio section that MCU is transmitted, while audio IC sends audio signal to most using WiFi module
The audio IC of close adjacent multiband audio playing unit；
Step 3: audio sending module sends MCU, when MCU sends audio signal to multiple multiband audio playing units simultaneously,
After the audio signal that the closer multiband audio playing unit of audio sending module receives MCU transmission, first audio is believed
It is number temporary, it plays after waiting other multiband audio playing units all to receive audio signal, is sent when apart from audio together
For the closer multiband audio playing unit of module when receiving the audio signal that MCU is sent, audio sending module is sent to distance
The audio signal of the farther away multiband audio playing unit of audio sending module can be closer more apart from audio sending module
Frequency band audio broadcast unit is temporary.
2. the operating method for the system that multifrequency section audio according to claim 1 plays, which is characterized in that the step 1
In, audio sending module transmission audio signal to MCU, MCU pushes the same audio signal simultaneously and broadcasts to multiple multifrequency section audios
It puts unit or pushes different audio signals simultaneously to different multiband audio playing units.
3. the operating method for the system that multifrequency section audio according to claim 1 plays, which is characterized in that the step 2
In, when multiband audio playing unit is too far from audio sending module, the multifrequency section audio close from audio sending module is played
Unit meeting automatic push audio signal is given from the far more frequency band audio broadcast unit of audio sending module, and multiple multiband sounds are formed
Audio signal is transmitted mutually between frequency broadcast unit.
4. the operating method for the system that multifrequency section audio according to claim 1 plays, which is characterized in that the step 2
In, during being sent to hithermost multiband audio playing unit using WiFi module, the standard of the WiFi module of use
It is IEEE 802.11.
5. the operating method for the system that multifrequency section audio according to claim 4 plays, which is characterized in that the step 1
In the step 2, the agreement of audio signal transmission is IP, UDP, TCP, RTP, 5.8G, and the standard of agreement corresponds to respectively
RFC791、RFC768、RFC793、RFC3550。
6. the operating method for the system that multifrequency section audio according to claim 5 plays, which is characterized in that in the step
In one, when MCU is to audio signal segmentation, need to be segmented using speech coding standard.
7. the operating method for the system that multifrequency section audio according to claim 6 plays, which is characterized in that the voice coder
Code standard has MP3, PCM and AMBR at least one.
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| CN109257344B (en) * | 2018-09-06 | 2021-01-26 | 广州高清视信数码科技股份有限公司 | WebRTC media gateway based on Docker container technology and interworking method thereof |
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| CN103841498A (en) * | 2014-02-24 | 2014-06-04 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and stereophonic playing system and method |
| CN104581599A (en) * | 2014-12-30 | 2015-04-29 | 歌尔声学股份有限公司 | Method and system for synchronous broadcast of multiple speaker boxes, and speaker box |
| CN104936102A (en) * | 2015-05-15 | 2015-09-23 | 广东欧珀移动通信有限公司 | Stereo control method, stereo control device and split type stereo sound boxes |
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| US20130332156A1 (en) * | 2012-06-11 | 2013-12-12 | Apple Inc. | Sensor Fusion to Improve Speech/Audio Processing in a Mobile Device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841498A (en) * | 2014-02-24 | 2014-06-04 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and stereophonic playing system and method |
| CN104581599A (en) * | 2014-12-30 | 2015-04-29 | 歌尔声学股份有限公司 | Method and system for synchronous broadcast of multiple speaker boxes, and speaker box |
| CN104936102A (en) * | 2015-05-15 | 2015-09-23 | 广东欧珀移动通信有限公司 | Stereo control method, stereo control device and split type stereo sound boxes |
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