CN110662206A - Bluetooth-based high-definition music and voice transmission operation method - Google Patents
Bluetooth-based high-definition music and voice transmission operation method Download PDFInfo
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- CN110662206A CN110662206A CN201810705079.6A CN201810705079A CN110662206A CN 110662206 A CN110662206 A CN 110662206A CN 201810705079 A CN201810705079 A CN 201810705079A CN 110662206 A CN110662206 A CN 110662206A
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/26—Special purpose or proprietary protocols or architectures
Abstract
The invention provides a Bluetooth-based high-definition music and voice transmission operation method, which adopts different high-definition Bluetooth audio protocols in uplink and downlink channels and operates uplink or downlink audio under different Bluetooth protocols, so that the sound quality of sound obtained by a user is obviously improved, the interaction flexibility between music and voice is increased, and the user experience is also enhanced.
Description
Technical Field
The invention belongs to the field of audio frequency, and particularly relates to a Bluetooth-based high-definition music and voice transmission operation method.
Background
Nowadays, there are various karaoke platforms and live broadcast platforms on various mobile terminals, and accordingly, various bluetooth audio devices are increasingly applied to these platforms, fig. 1 shows a typical application scenario, when a singer or a webcast wears a bluetooth headset microphone or uses a bluetooth microphone with an inserted headset to sing or broadcasting directly, the singer or the webcast often needs to listen to music from a mobile terminal and sing or speak, and the voice of the singer or the webcast is then transmitted back to the mobile terminal and recorded by the mobile terminal or transmitted to an external network, in this case, both the downstream music and the upstream voice use bluetooth HFP (handfree profile) protocol (bluetooth alliance (sig) defining a plurality of bluetooth protocols including A2DP, HFP, AVRCP, etc.), there is no interaction between music and voice, and the HFP protocol supports only single-channel 16KHz sampling rate bluetooth audio transmission at the highest, the tone quality is poor when listening to music and returning singing voice, the requirement of HiFi tone quality cannot be met, and the experience effect of music of singers or anchor is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a Bluetooth-based high-definition music and voice transmission operation method, different high-definition Bluetooth audio protocols are adopted in uplink and downlink channels, and uplink or downlink audio under different Bluetooth protocols is operated, so that the sound quality obtained by a user is obviously improved, the interaction flexibility between music and voice is increased, and the user experience is also enhanced.
The method comprises the steps of providing a first mobile terminal, wherein the first mobile terminal comprises a first Bluetooth module; providing a Bluetooth audio device, wherein the Bluetooth audio device comprises a second Bluetooth module, a loudspeaker and a microphone; establishing Bluetooth connection between a first mobile terminal and Bluetooth audio equipment; establishing a music transmission channel by using a Bluetooth A2DP protocol, sending a music signal to a Bluetooth audio device by a first mobile terminal, and replaying the music signal to a user by a loudspeaker; a microphone of the Bluetooth audio equipment receives user voice, a voice transmission channel is established by using an RFCOMM protocol, and the Bluetooth audio equipment sends a voice signal to the first mobile terminal; and the first mobile terminal receives the voice signal. After the music signal and the voice signal collected by the microphone are mixed in the Bluetooth audio equipment, the mixed sound signal is transmitted back to the first mobile terminal by using a transmission channel under an RFCOMM protocol.
Further, it is proposed to use a Multipoint mode to connect the bluetooth audio device with two mobile terminals at the same time, and the music channel of the A2DP protocol and the sound transmission channel under the RFCOMM protocol are respectively established between the bluetooth audio device and the two mobile terminals.
The first mobile terminal comprises a first Bluetooth module; providing a Bluetooth audio device, wherein the Bluetooth audio device comprises a second Bluetooth module, a loudspeaker and a microphone; establishing Bluetooth connection between a first mobile terminal and Bluetooth audio equipment; establishing a music transmission channel by using a Bluetooth A2DP protocol, sending a music signal to a Bluetooth audio device by a first mobile terminal, and replaying the music signal to a user by a loudspeaker; a microphone of the Bluetooth audio equipment receives user voice, a voice transmission channel is established by using an RFCOMM protocol, and the Bluetooth audio equipment sends a voice signal to the first mobile terminal; the first mobile terminal receives the conversation request of the audience, keeps the music transmission channel established under the A2DP protocol and the sound transmission channel established under the RFCOMM protocol, establishes a bidirectional conversation channel under the RFCOMM protocol between the first mobile terminal and the Bluetooth audio device, and the voice of the audience is sent to the Bluetooth audio device by the first mobile terminal through the bidirectional conversation channel and is played to the user by a loudspeaker; meanwhile, a microphone of the Bluetooth audio device receives the voice of the user, and the Bluetooth audio device sends the voice of the user back to the first mobile terminal by using the two-way call channel under the RFCOMM protocol, and the voice is sent to an opposite-end listener by the first mobile terminal through a cellular network.
Wherein, the voice signals of the channels under different Bluetooth technical protocols are mutually operated.
The mutual operation comprises that music signals under the A2DP protocol are called in the Bluetooth audio equipment and are added into a two-way call channel under the RFCOMM protocol to be sent back to the first mobile terminal.
Further, it is proposed to use a Multipoint mode to connect the bluetooth audio device with two mobile terminals simultaneously, and the music channel of the A2DP protocol and the sound transmission channel of the RFCOMM protocol and the two-way communication channel of the RFCOMM protocol are respectively established between the bluetooth audio device and the two mobile terminals.
For the music transmission channel of the above-mentioned A2DP protocol, the music transmission channel may be established using the APTX or HWA protocol instead of the A2DP protocol.
Drawings
FIG. 1 is a schematic diagram of an application scenario using the Bluetooth HFP protocol in the prior art
FIG. 2 is a schematic diagram of a first embodiment of the present invention
FIG. 3 is a schematic view of a second embodiment of the present invention
FIG. 4 is a schematic view of a third embodiment of the present invention
FIG. 5 is a diagram of a fourth embodiment of the present invention
Detailed Description
As mentioned in the background, the bluetooth alliance SIG defines a plurality of bluetooth protocols, but it is not limited to running multiple protocols simultaneously between devices, which provides an idea for implementing the present invention. Fig. 2 shows a first embodiment of the present invention, a first mobile terminal 1 is provided, the first mobile terminal 1 comprises a first bluetooth module (not shown in the figure), a bluetooth audio device 2 is provided, the bluetooth audio device 2 comprises a second bluetooth module (not shown in the figure), a speaker 21 and a microphone 22; establishing Bluetooth connection between the first mobile terminal 1 and the Bluetooth audio device 2; running a karaoke or webcast application in the mobile terminal 1, the user controlling the application to play music, the application establishing a music transmission channel using the bluetooth A2DP protocol, sending a music signal to the bluetooth audio device 2, the user listening to the music signal played back by the speaker 21, because the A2DP protocol allows the transmission of sound signals of stereo CD sound quality, the user can get the best hearing experience; when listening to high-quality music signals, the user uses the microphone 22 of the Bluetooth audio device 2 to receive the voice of the user, the Bluetooth audio device 2 uses the RFCOMM protocol to establish a sound transmission channel and sends the voice signals to the mobile terminal 1; the mobile terminal 1 receives the voice signal, records the signal or directly broadcasts the signal through the network; the RFCOMM protocol can support the audio signal transmission of double channels with the sampling rate of 48KHz per channel, so that the transmission of high definition can be realized no matter whether the audio signal is a downlink music signal or an uplink voice signal.
Furthermore, after the music signal and the voice signal collected by the microphone 22 can be mixed in the bluetooth audio device 2, the mixed sound signal is transmitted back to the mobile terminal 1 by using a sound transmission channel under the RFCOMM protocol, and certainly, if the sampling rate of the music signal is not consistent with the sampling rate of the voice signal, the music signal needs to be resampled, for example, from 44KHz to 48 KHz; the mobile terminal 1 receives the voice signal, records the signal or transmits the signal through a network; wherein, the sound mixing can be performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1Alpha is a coefficient, and alpha is more than or equal to 0 and less than or equal to 1.
Through the method, the music and the voice are mixed and then transmitted back at the Bluetooth audio equipment 2, compared with a mode of transmitting the voice to the mobile terminal and then mixing the voice, the problem that the music and the voice are not synchronous is greatly improved, for example, the Karaoke effect can be obviously improved, and the sound image position of the voice of a user can be changed and the performance effect is improved by adjusting the coefficient alpha.
A second embodiment is provided, as shown in fig. 3, which is different from the first embodiment in that a Multipoint (Multipoint connection) manner is adopted, that is, a bluetooth audio device 2 is paired and connected with a first mobile terminal 1 and a second mobile terminal 1 ', wherein a music transmission channel of A2DP protocol is established between the mobile terminal 1 and the bluetooth audio device 2, and a sound transmission channel under RFCOMM protocol is established between the bluetooth audio device 2 and the mobile terminal 1', that is, the mobile terminal 1 sends a music signal to the bluetooth audio device 2 by using a music transmission channel established under bluetooth A2DP protocol, and a user listens to the music signal played back by a speaker 21; a microphone 22 of the Bluetooth audio device 2 is used for receiving the voice of a user, and the Bluetooth audio device 2 sends a voice signal to the mobile terminal 1' by using a sound transmission channel established under an RFCOMM protocol; the mobile terminal 1' receives the voice signal, records the signal or directly broadcasts the signal through the network.
Further, after the music signal and the voice signal collected by the microphone 22 are mixed in the bluetooth audio device 2, the mixed signal is transmitted back to the mobile terminal 1' by using a transmission channel under the RFCOMM protocol; the mobile terminal 1' receives the voice signal, records it or transmits it through the network.
By the method, the device has more flexibility in operation, and a user can respectively operate the two mobile terminals according to needs.
A third embodiment is provided, as shown in fig. 4, which is different from the first embodiment in that when the user is playing K songs or live, there may be an audience who dials the phone number of the user mobile terminal 1 to perform live interaction, such as discussion with the user or chorus with the user, at this time, besides maintaining the established music transmission channel of the A2DP protocol and the sound transmission channel under the RFCOMM protocol, a two-way communication channel under the RFCOMM protocol is established for the user to communicate with the audience, the audience voice is transmitted from the mobile terminal 1 to the bluetooth audio device 2 through the two-way communication channel, and the user hears the audience voice played back by the speaker 21; meanwhile, the microphone 22 of the bluetooth audio device 2 receives the user's voice, and the bluetooth audio device 2 transmits the user's voice back to the mobile terminal 1 using the two-way communication channel under the above-mentioned RFCOMM protocol, and is transmitted by the mobile terminal 1 to the opposite listener via the cellular network.
In particular, the user can operate the bluetooth audio device 2 to call the A2DP music signal and add the signal into the two-way communication channel under the RFCOMM protocol, so that the opposite listener can hear not only the voice of the user but also the music, and through the interoperation, the interaction between the signals can be enhanced, and the interactivity between the user and the listener is enhanced.
Further, similarly to the case of the first embodiment, it is also possible to mix the music signal and the voice signal collected by the microphone 22 and the voice signal from the listener in the bluetooth audio device 2, and then transmit the mixed signal back to the mobile terminal 1 by using the transmission channel under the RFCOMM protocol; the mobile terminal 1 receives the voice signal, records the signal or directly broadcasts the signal through the network. Wherein, the sound mixing can be performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1For user speech signals, V2Alpha is coefficient, alpha is more than or equal to 0 and less than or equal to 1.
A fourth embodiment is provided, as shown in fig. 5, which is different from the third embodiment in that a Multipoint (Multipoint connection) manner is adopted, that is, a bluetooth audio device 2 is paired and connected with a first mobile terminal 1 and a second mobile terminal 1 'at the same time, wherein a music transmission channel of A2DP protocol and a sound transmission channel under RFCOMM protocol are established between the mobile terminal 1 and the bluetooth audio device 2, and a two-way communication channel under RFCOMM protocol is established between the bluetooth audio device 2 and the mobile terminal 1', that is, an audience dials up to the mobile terminal 1 ', audience voice is sent from the mobile terminal 1' to the bluetooth audio device 2 via the two-way communication channel, and the user hears the audience voice played back by a speaker 21; meanwhile, the microphone 22 of the bluetooth audio device 2 receives the user's voice at the same time, and the bluetooth audio device 2 transmits the user's voice back to the mobile terminal 1 'using the two-way communication channel under the above-mentioned RFCOMM protocol, and is transmitted by the mobile terminal 1' to the opposite listener via the cellular network.
Similarly, the user can operate the bluetooth audio device 2 to call up the A2DP music signal and add the signal to the two-way communication channel under the above RFCOMM protocol, so that the opposite listener can hear not only the user's voice but also the music.
Further, similarly to the case of the first embodiment, it is also possible to mix the music signal and the voice signal collected by the microphone 22 and the voice signal from the listener in the bluetooth audio device 2, and then transmit the mixed signal back to the mobile terminal 1 by using the transmission channel under the RFCOMM protocol; the mobile terminal 1 receives the voice signal, records the signal or directly broadcasts the signal through the network.
The mobile terminal 1 in the above embodiments includes, but is not limited to, a mobile phone, a tablet computer, a laptop computer; the bluetooth audio device 2 includes, but is not limited to, a headset with a microphone, a microphone to which the headset can be connected; besides the above-mentioned A2DP protocol for transmitting high-quality stereo music signals, an upgraded version of A2DP protocol such as APTX and HWA may be used; typically, the above method may be implemented using the 8670/8675 chipset of a CSR platform, which is well known to those skilled in the art.
The core of the invention is that a plurality of different Bluetooth audio transmission protocols are simultaneously operated between the mobile terminal 1 (1') and the Bluetooth audio device 2, and audio signals under different transmission protocols are mutually operated, so that the user experience and the interaction function of the product are greatly improved.
Claims (17)
1. A music and voice transmission operation method based on Bluetooth is provided, wherein a first mobile terminal (1) is provided, and the first mobile terminal (1) comprises a first Bluetooth module; providing a Bluetooth audio device (2), wherein the Bluetooth audio device (2) comprises a second Bluetooth module, a loudspeaker (21) and a microphone (22);
establishing Bluetooth connection between a first mobile terminal (1) and Bluetooth audio equipment (2);
characterized in that a music transmission channel is established using the bluetooth A2DP protocol, a music signal is sent by the first mobile terminal (1) to the bluetooth audio device (2), and the music signal is played back by the speaker (21) to the user;
a microphone (22) of the Bluetooth audio device (2) receives user voice, a voice transmission channel is established by using an RFCOMM protocol, and the Bluetooth audio device (2) sends a voice signal to the first mobile terminal (1);
the first mobile terminal (1) receives the voice signal.
2. A bluetooth-based music and speech transmission operating method according to claim 1, wherein after mixing the music signal and the speech signal collected by the microphone (22) in the bluetooth audio device (2), the mixed signal is transmitted back to the first mobile terminal (1) using the transmission channel under the RFCOMM protocol.
3. The bluetooth-based music and voice transmission operating method according to claim 2, wherein the mixing is performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1Alpha is a coefficient, and alpha is more than or equal to 0 and less than or equal to 1.
4. A music and voice transmission operation method based on Bluetooth is provided, wherein a first mobile terminal (1) is provided, and the first mobile terminal (1) comprises a first Bluetooth module; providing a Bluetooth audio device (2), wherein the Bluetooth audio device (2) comprises a second Bluetooth module, a loudspeaker (21) and a microphone (22); providing a second mobile terminal (1 '), the second mobile terminal (1') comprising a third bluetooth module;
establishing Bluetooth connection between a first mobile terminal (1) and Bluetooth audio equipment (2);
establishing a Bluetooth connection between a second mobile terminal (1') and a Bluetooth audio device (2);
characterized in that a music transmission channel is established using the bluetooth A2DP protocol, a music signal is sent by the first mobile terminal (1) to the bluetooth audio device (2), and the music signal is played back by the speaker (21) to the user;
a microphone (22) of the Bluetooth audio device (2) receives user voice, a voice transmission channel is established by using an RFCOMM protocol, and the Bluetooth audio device (2) sends a voice signal to the second mobile terminal (1').
5. A method of operation of a Bluetooth based music and speech transmission according to claim 4, wherein after mixing the music signal and the speech signal collected by the microphone (22) in the Bluetooth audio device (2), the mixed signal is transmitted back to the second mobile terminal (1') using the transmission channel under the RFCOMM protocol.
6. The bluetooth-based music and voice transmission operation method according to claim 5, wherein the mixing is performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1Alpha is a coefficient, and alpha is more than or equal to 0 and less than or equal to 1.
7. A music and voice transmission operation method based on Bluetooth is provided, wherein a first mobile terminal (1) is provided, and the first mobile terminal (1) comprises a first Bluetooth module; providing a Bluetooth audio device (2), wherein the Bluetooth audio device (2) comprises a second Bluetooth module, a loudspeaker (21) and a microphone (22);
establishing Bluetooth connection between a first mobile terminal (1) and Bluetooth audio equipment (2);
characterized in that a music transmission channel is established using the bluetooth A2DP protocol, a music signal is sent by the first mobile terminal (1) to the bluetooth audio device (2), and the music signal is played back by the speaker (21) to the user;
a microphone (22) of the Bluetooth audio device (2) receives user voice, a voice transmission channel is established by using an RFCOMM protocol, and the Bluetooth audio device (2) sends a voice signal to the first mobile terminal (1);
the first mobile terminal (1) receives the request of the audience communication, keeps the music transmission channel established under the A2DP protocol and the sound transmission channel established under the RFCOMM protocol, establishes a two-way communication channel under the RFCOMM protocol between the first mobile terminal (1) and the Bluetooth audio device (2), and the audience voice is sent to the Bluetooth audio device (2) by the first mobile terminal (1) through the two-way communication channel and played to the user by the loudspeaker (21);
meanwhile, a microphone (22) of the Bluetooth audio device (2) receives the voice of the user, and the Bluetooth audio device (2) sends the voice of the user back to the first mobile terminal (1) by using the two-way call channel under the RFCOMM protocol and sends the voice of the user to an opposite listener by the first mobile terminal (1) through a cellular network.
8. The bluetooth-based music and voice transmission operation method according to claim 7, wherein the sound signals of the channels under different bluetooth technology protocols are interoperated.
9. The method of claim 8, wherein the interoperation comprises the step of calling the music signal under the A2DP protocol in the bluetooth audio device (2) and adding the music signal into the two-way communication channel under the RFCOMM protocol to be transmitted back to the first mobile terminal (1).
10. A bluetooth-based music and speech transmission operating method according to one of claims 7 to 9, wherein after mixing the music signal with the speech signal collected by the microphone (22) and the speech signal from the listener in the bluetooth audio device (2), the mixed signal is transmitted back to the first mobile terminal (1) using the RFCOMM protocol down-channel transmission; the first mobile terminal (1) receives the voice signal.
11. The bluetooth-based music and voice transmission operation method according to claim 10, wherein the mixing is performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1For user speech signals, V2Alpha is coefficient, alpha is more than or equal to 0 and less than or equal to 1.
12. A music and voice transmission operation method based on Bluetooth is provided, wherein a first mobile terminal (1) is provided, and the first mobile terminal (1) comprises a first Bluetooth module; providing a Bluetooth audio device (2), wherein the Bluetooth audio device (2) comprises a second Bluetooth module, a loudspeaker (21) and a microphone (22); providing a second mobile terminal (1 '), the second mobile terminal (1') comprising a third bluetooth module;
establishing Bluetooth connection between a first mobile terminal (1) and Bluetooth audio equipment (2);
establishing a Bluetooth connection between a second mobile terminal (1') and a Bluetooth audio device (2);
characterized in that a music transmission channel is established using the bluetooth A2DP protocol, a music signal is sent by the first mobile terminal (1) to the bluetooth audio device (2), and the music signal is played back by the speaker (21) to the user;
a microphone (22) of the Bluetooth audio device (2) receives user voice, establishes a sound transmission channel by using an RFCOMM protocol and sends a voice signal to the first mobile terminal (1);
the second mobile terminal (1 ') receives the request of the audience talk, keeps the music transmission channel established under the A2DP protocol and the sound transmission channel established under the RFCOMM protocol between the first mobile terminal (1) and the Bluetooth audio device (2), establishes a two-way talk channel under the RFCOMM protocol between the second mobile terminal (1') and the Bluetooth audio device (2), and the audience voice is sent to the Bluetooth audio device (2 ') from the second mobile terminal (1') through the two-way talk channel and played to the user by the loudspeaker (21);
meanwhile, a microphone (22) of the Bluetooth audio device (2) receives the voice of the user, and the Bluetooth audio device (2) sends the voice of the user back to the second mobile terminal (1 ') by using the two-way call channel under the RFCOMM protocol, and the voice is sent to an opposite listener by the second mobile terminal (1') through a cellular network.
13. The bluetooth-based music and voice transmission operation method according to claim 12, wherein the sound signals of the channels under different bluetooth technology protocols are interworked.
14. The bluetooth-based music and speech transmission operation method according to claim 13, wherein said interoperation comprises calling a music signal under A2DP protocol in the bluetooth audio device (2), joining a two-way call channel under the above RFCOMM protocol and transmitting back to the second mobile terminal (1').
15. A bluetooth based music and speech transmission operation method according to one of claims 12 to 14, wherein after mixing the music signal with the speech signal collected by the microphone (22) and the speech signal from the listener in the bluetooth audio device (2), the mixed signal is transmitted back to the first mobile terminal (1) using the RFCOMM protocol down-channel transmission; the first mobile terminal (1) receives the voice signal.
16. The bluetooth-based music and voice transmission operation method according to claim 15, wherein the mixing is performed according to the following formula:
wherein, XL、XRFor left and right channel return signals, Music, respectivelyL、MusicRLeft and right track signals, V, respectively, of a music signal1For user speech signals, V2Alpha is coefficient, alpha is more than or equal to 0 and less than or equal to 1.
17. The method of claim 1-16 wherein the music and voice transmission channel is established using APTX or HWA protocol instead of A2DP protocol.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111225102A (en) * | 2020-01-17 | 2020-06-02 | 北京塞宾科技有限公司 | Bluetooth audio signal transmission method and device |
| CN111261175A (en) * | 2020-01-17 | 2020-06-09 | 北京塞宾科技有限公司 | Bluetooth audio signal transmission method and device |
| CN112042206A (en) * | 2020-02-10 | 2020-12-04 | 深圳市汇顶科技股份有限公司 | Video transmission method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272570A (en) * | 2008-04-28 | 2008-09-24 | 北京中星微电子有限公司 | Method for implementing network karaoke OK and portable equipment |
| CN106028208A (en) * | 2016-07-25 | 2016-10-12 | 北京塞宾科技有限公司 | Wireless karaoke microphone headset |
| CN106341516A (en) * | 2015-07-06 | 2017-01-18 | 中兴通讯股份有限公司 | Multipoint connection control method and apparatus, terminal and multipoint bluetooth earphone |
| CN106601262A (en) * | 2016-12-15 | 2017-04-26 | 北京塞宾科技有限公司 | High definition Bluetooth audio frequency transmitting and receiving terminal and communication system |
| US20170186431A1 (en) * | 2015-12-29 | 2017-06-29 | Frank Xavier Didik | Speech to Text Prosthetic Hearing Aid |
-
2018
- 2018-07-01 CN CN201810705079.6A patent/CN110662206B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272570A (en) * | 2008-04-28 | 2008-09-24 | 北京中星微电子有限公司 | Method for implementing network karaoke OK and portable equipment |
| CN106341516A (en) * | 2015-07-06 | 2017-01-18 | 中兴通讯股份有限公司 | Multipoint connection control method and apparatus, terminal and multipoint bluetooth earphone |
| US20170186431A1 (en) * | 2015-12-29 | 2017-06-29 | Frank Xavier Didik | Speech to Text Prosthetic Hearing Aid |
| CN106028208A (en) * | 2016-07-25 | 2016-10-12 | 北京塞宾科技有限公司 | Wireless karaoke microphone headset |
| CN106601262A (en) * | 2016-12-15 | 2017-04-26 | 北京塞宾科技有限公司 | High definition Bluetooth audio frequency transmitting and receiving terminal and communication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111225102A (en) * | 2020-01-17 | 2020-06-02 | 北京塞宾科技有限公司 | Bluetooth audio signal transmission method and device |
| CN111261175A (en) * | 2020-01-17 | 2020-06-09 | 北京塞宾科技有限公司 | Bluetooth audio signal transmission method and device |
| CN112042206A (en) * | 2020-02-10 | 2020-12-04 | 深圳市汇顶科技股份有限公司 | Video transmission method and device |
| CN112042206B (en) * | 2020-02-10 | 2022-09-09 | 深圳市汇顶科技股份有限公司 | Video transmission method and device |
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