CN114727371A - Communication method and device, equipment and storage medium - Google Patents

Communication method and device, equipment and storage medium Download PDF

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Publication number
CN114727371A
CN114727371A CN202110013625.1A CN202110013625A CN114727371A CN 114727371 A CN114727371 A CN 114727371A CN 202110013625 A CN202110013625 A CN 202110013625A CN 114727371 A CN114727371 A CN 114727371A
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China
Prior art keywords
audio
output device
information
audio output
wireless link
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CN202110013625.1A
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Chinese (zh)
Inventor
许超杰
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202110013625.1A priority Critical patent/CN114727371A/en
Publication of CN114727371A publication Critical patent/CN114727371A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • 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
    • H04R5/033—Headphones for stereophonic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the application discloses a communication method, a communication device, equipment and a storage medium; wherein the method comprises the following steps: the audio gateway establishes a first wireless link with an audio source; and the audio gateway sends the connection parameters of the first wireless link to the first audio output device and the second audio output device, and the connection parameters enable the first audio output device and the second audio output device to receive audio information sent by the audio source.

Description

Communication method and device, equipment and storage medium
Technical Field
The embodiments of the present application relate to communication technologies, and relate to, but are not limited to, communication methods and apparatuses, devices, and storage media.
Background
True Wireless Stereo (TWS) headsets have gradually become a mainstream consumer trend because the headsets are not bound by traditional connecting wires, are easy to operate and carry. However, the battery capacity is limited due to the volume of the earphone. Therefore, under the limited battery capacity, it is very important to save the power consumption of the headset to improve the user experience.
Disclosure of Invention
In view of this, the communication method, the communication device, the communication apparatus, and the storage medium provided in the embodiments of the present application can save power consumption of the wireless headset and improve user experience. The communication method, the communication device, the communication equipment and the communication storage medium are realized as follows:
the embodiment of the application provides a communication method applied to an audio gateway, which comprises the following steps: establishing a first wireless link with an audio source; and sending the connection parameters of the first wireless link to a first audio output device and a second audio output device, wherein the connection parameters enable the first audio output device and the second audio output device to receive audio information sent by the audio source.
The communication method applied to the audio output device provided by the embodiment of the application comprises the following steps: receiving connection parameters from an audio gateway, wherein the connection parameters are connection parameters of a first wireless link established between the audio gateway and the audio source; and receiving audio information sent by the audio source according to the connection parameters.
The communication device applied to the audio gateway provided by the embodiment of the application comprises: an establishing module for establishing a first wireless link with an audio source; and the sending module is used for sending the connection parameters of the first wireless link to the first audio output device and the second audio output device, wherein the connection parameters enable the first audio output device and the second audio output device to receive audio information sent by the audio source.
The communication device applied to the audio output equipment provided by the embodiment of the application comprises: a receiving module to: receiving connection parameters from an audio gateway; wherein the connection parameter is a connection parameter of a first wireless link established between the audio gateway and the audio source; and receiving audio information sent by the audio source according to the connection parameters.
An audio gateway provided in an embodiment of the present application includes: the audio gateway comprises a memory and a processor, wherein the memory stores a computer program capable of running on the processor, and the processor executes the program to realize the steps corresponding to the audio gateway in the embodiment of the application.
The audio output device provided by the embodiment of the application comprises a memory and a processor, wherein the memory stores a computer program capable of running on the processor, and the processor executes the program to realize the corresponding steps of the audio output device in the embodiment of the application.
The computer-readable storage medium provided in an embodiment of the present application stores thereon a computer program, and when being executed by a processor, the computer program implements the steps corresponding to the audio gateway in any embodiment, or when being executed by the processor, the computer program implements the steps corresponding to the first audio output device or the second audio output device in any embodiment.
In the embodiment of the application, a communication method applied to an audio gateway is provided, in which an audio gateway is introduced, and the audio gateway is responsible for sending connection parameters with an audio source to a first audio output device and a second audio output device, so that the first audio output device and the second audio output device can receive audio information sent by the audio source; therefore, on the premise of ensuring that the audio source is not changed, the first audio output device and the second audio output device can receive audio information without establishing a connection link, and the power consumption of the devices is saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic diagram of a wireless audio system 100 according to an embodiment of the present application;
FIG. 2 is a block diagram of a wireless audio system 200 according to an embodiment of the present invention;
FIG. 3 is a block diagram of a wireless audio system 300 according to an embodiment of the present invention;
FIG. 4 is a block diagram of a wireless audio system 400 according to an embodiment of the present application;
fig. 5 is a timing diagram illustrating 9 different scenarios 501 to 509 between two consecutive time slots N and N +1 in the wireless audio system 400 according to the embodiment of the present application;
FIG. 6 is a schematic diagram of a related wireless audio system;
FIG. 7 is a block diagram of a wireless audio system 700 according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a communication device 800 applied to an audio gateway according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a communication apparatus 900 applied to a first audio output device or a second audio output device according to an embodiment of the present application;
fig. 10 is a schematic hardware entity diagram of the audio gateway 101 according to an embodiment of the present application;
fig. 11 is a hardware entity diagram of the audio output device 110 according to the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.
It should be noted that the terms "first \ second \ third" are used herein to distinguish similar or different objects and do not denote a particular ordering with respect to the objects, and it should be understood that "first \ second \ third" may be interchanged in a particular order or sequence as permitted so that embodiments of the present application described herein may be practiced in other than the order shown or described herein.
An embodiment of the present application provides a wireless audio system, and fig. 1 is a schematic structural diagram of the wireless audio system according to the embodiment of the present application, and as shown in fig. 1, the wireless audio system 100 includes: an audio gateway 101, a first audio output device 102, a second audio output device 103, and an audio source 104; wherein the first audio output device 102 has no wireless communication link with the second audio output device 103; the audio gateway 101 establishes a first wireless link 105 with the audio source 104 and sends a connection parameter 106 of the first wireless link 105 to the first audio output device 102 and the second audio output device 103; the first audio output device 102 and the second audio output device 103 receive the connection parameter 106 and, according to the connection parameter 106, receive the audio information 107 sent by the audio source 104.
In some embodiments, the audio gateway 101 broadcasts the connection parameters 106, thereby sending the connection parameters 106 to the first audio output device 102 and the second audio output device 103.
The first audio output device 102 and the second audio output device 103 may each configure their transceivers to receive audio information 107 from the audio source 104 according to the connection parameters 106, establish a unidirectional wireless communication path 108 from the audio source 104 to 102, and a unidirectional wireless communication path 109 from the audio source 104 to 103. The communication path 108 enables the first audio output device 102 to snoop, listen, or otherwise capture audio information 107 sent by the audio source 104 over the communication path 108. The same is true of the communication path 109, enabling the second audio output device 103 to snoop, listen to, or otherwise capture the audio information 107 sent by the audio source 104 over the communication path 109.
It should be noted that the first wireless link 105 may be a connection of various protocol types. For example, the first wireless link 105 is a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, or a WiFi connection link, among others. By proprietary protocol is meant any wireless protocol other than the standard wireless protocol.
The connection parameters 106 enable the first audio output device 102 and the second audio output device 103 to receive audio information 107 sent by the audio source 104. Taking the bluetooth connection link as an example, the connection parameters 106 include, but are not limited to, the bluetooth device address of the audio source 104, the local clock of the audio source 104, the logical transport address and clock offset of the audio gateway 101, and the encryption parameters (e.g., link key) of the first wireless link 105.
Fig. 2 is a schematic structural diagram of a wireless audio system according to an embodiment of the present invention, and as shown in fig. 2, the wireless audio system 200 includes: an audio gateway 101, a first audio output device 102, a second audio output device 103, and an audio source 104; and, the wireless audio system 200 is similar to the wireless audio system 100 shown in fig. 1, and the description of the similarities is not repeated here. Wherein, the connection parameter 106 is a connection parameter 201; the audio gateway 101 transmits the connection parameters 106 of the first wireless link 105 to the first audio output device 102 and the second audio output device 103, including:
the audio gateway 101 sends the connection parameters 201 to the first audio output device 102 through the second wireless link 202 with the first audio output device 102; sending the connection parameters 201 to the second audio output device 103 through a third wireless link 203 with the second audio output device 103; the connection parameter 201 enables the first audio output device 102 to extract first channel information (CH1) in the audio information 204 (i.e., an example of the audio information 107) transmitted by the audio source 104, and the connection parameter 201 enables the second audio output device 103 to extract second channel information (CH2) in the audio information 204.
The first audio output device 102 and the second audio output device 103 receive audio information 204 sent by the audio source 104 according to the connection parameter 201; and, the first audio output device 102 extracts the first channel information (CH1) from the audio information 204 according to the connection parameters 201, and the second audio output device 103 extracts the second channel information (CH2) from the audio information 204 according to the connection parameters 201;
the audio gateway 101 determines whether the first audio output device 102 receives the audio information 204 via the second wireless link 202;
the audio gateway 101 determines whether the second audio output device 103 receives the audio information 204 through the third wireless link 203;
when determining that the first audio output device 102 and the second audio output device 103 have received the audio information 204, the audio gateway 101 sends a third ACK information 205 to the audio source 104 through the first wireless link 105 in a time slot (denoted as time slot N +1, where N is an arbitrary integer) next to the current transmission time slot.
The audio source 104 receives the third ACK information 205 in the time slot N +1, so that a complete transceiving process is completed, and the audio source 104 may send new audio information in the time slot N +2 or send new audio information in the idle time of the time slot N + 1.
In some embodiments, the audio gateway 101 receives an indication corresponding to whether the first audio output device 102 received the audio information 204 over the second wireless link 202 to determine whether the first audio output device 102 received the audio information 204. For example, if the audio gateway 101 receives NACK information returned by the first audio output device 102, it is determined that the device 102 does not receive the audio information 204, and otherwise, if ACK information returned by the device 102 is received, it is determined that the device 102 has received the audio information 204. For another example, if the audio gateway 101 does not receive the ACK information returned by the first audio output device 102 within the predetermined time, it determines that the device 102 does not receive the audio information 204, and conversely, if the ACK information returned by the device 102 is received within the predetermined time, it determines that the device 102 has received the audio information 204.
In some embodiments, the audio gateway 101 receives an indication corresponding to whether the second audio output device 103 received the audio information 204 over the third wireless link 203 to determine whether the second audio output device 103 received the audio information 204. For example, if the audio gateway 101 receives NACK information returned by the second audio output device 103, it determines that the device 103 does not receive the audio information 204, and if ACK information returned by the device 103 is received, it determines that the device 103 has received the audio information 204. For another example, if the audio gateway 101 does not receive the ACK information returned by the second audio output device 103 within the predetermined time, it determines that the device 103 does not receive the audio information 204, and conversely, if the ACK information returned by the device 103 is received within the predetermined time, it determines that the device 103 has received the audio information 204.
It should be noted that the second wireless link 202 may be a connection of various protocol types. For example, the second wireless link 202 is a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, or a WiFi connection link, among others.
Likewise, the third wireless link 203 may also be a connection of various protocol types. For example, the third wireless link 203 is a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, or a WiFi connection link, etc. By proprietary protocol is meant any wireless protocol other than the standard wireless protocol.
In some embodiments, the audio gateway 101 may automatically establish a connection with 102 and 103 according to the connection information (e.g., pairing information of bluetooth) stored in advance with 102 and 103 after power-on of 102 and 103, that is, establish the second wireless link 202 with the first audio output device 102 and the third wireless link 203 with the second audio output device 103.
It can be understood that, since in the wireless audio system 200, the audio output devices 102 and 103 establish only one wireless link, the behaviors are consistent, and the master device and the slave device are not distinguished, so that, on one hand, the power consumption of the two devices is lower when the two devices operate; on the other hand, since the behaviors of the audio output devices 102 and 103 are completely identical, when one audio output device stops operating, the other audio output device continues operating without any switching.
Fig. 3 is a schematic structural diagram of a wireless audio system according to an embodiment of the present invention, and as shown in fig. 3, the wireless audio system 300 includes: an audio gateway 101, a first audio output device 102, a second audio output device 103, and an audio source 104; and, the wireless audio system 300 is similar in manner to the wireless audio system 200 shown in fig. 2, and the description of the similarities is not repeated here. Except that the audio gateway 101 transmits NACK information 301 to the audio source 104 through the first wireless link 105 in a time slot next to the current transmission time slot (i.e., time slot N +1) when determining that the audio information 204 is not received by the first audio output device 102 and/or the second audio output device 103.
The audio source 104 receives the NACK 301 in the time slot N +1, and thus, a complete transceiving process is completed, and the audio source 104 may retransmit the audio information 204 in the time slot N +2, or may transmit new audio information in the idle time of the time slot N + 1.
It should be noted that the audio gateway 101 according to the embodiment of the present application may be various electronic devices with wireless communication capability, for example, the audio gateway 101 is a charging box of the audio output devices 102 and 103, a wearable device (e.g., a smart band, a smart watch, or smart glasses), or another device of the same type (e.g., another mobile phone) that is not the same device as the audio source.
The audio source 104 may be any electronic device having wireless communication capabilities and capable of transmitting audio information, for example, the audio source 104 may be any cell phone, portable game player, portable media player (e.g., MP3 player, MP4 player, etc.), audio/video (a/V) receiver as part of home entertainment or a home theater system, a tablet computer, a personal computer or laptop computer, etc. For example, the A/V receiver may have both wireless and wired speakers.
The audio output devices 102 and 103 may be wireless back channel speakers or the like. The audio output devices 102 and 103 are configured as any type of electro-acoustic transducer for converting audio information into sound, such as home or professional speakers, headphones (headphones), earphones (earphones), or car headphones, and the like. The present application is not limited to any particular physical format or size of audio source and audio output device configuration. The first audio output device 102 may be a left channel speaker and the second audio output device 103 may be a right channel speaker, or vice versa. Any of the speakers may be configured as any stereo channel.
Fig. 4 is a schematic structural diagram of a wireless audio system according to an embodiment of the present invention, and as shown in fig. 4, the wireless audio system 400 includes: an audio gateway 101, a first audio output device 102, a second audio output device 103, and an audio source 104; and, the wireless audio system 400 is similar in manner to the wireless audio system 100 shown in fig. 1, and the description of the similarities is not repeated here. For brevity, the connection parameter 201 is not shown in the figure, and refer to fig. 3.
When the first audio output device 102 receives the audio information 204 in the second predetermined portion 401 of the current transmission time slot (denoted as time slot N), the first ACK information 402 corresponding to the audio information 204 is sent to the audio gateway 101 in the first predetermined portion 403 of the current transmission time slot through the second wireless link 202; wherein the first ACK information 402 indicates that the first audio output device 102 has received the audio information 204;
determining that the first audio output device 102 received the audio information 204 when the audio gateway 101 receives the first ACK information 402 corresponding to the audio information 204 in the first predetermined portion 403 of the current transmission slot over the second wireless link 202; of course, if the audio gateway 101 does not receive the first ACK information 402 in the first predetermined portion 403 via the second wireless link 202, it is determined that the first audio output device 102 does not receive the audio information 204; for example, if the audio gateway 101 receives NACK information sent by the first audio output device 102 in the first predetermined section 403, it determines that the device 102 does not receive the audio information 204; as another example, the audio gateway 101 does not receive any information from the device 102 in the first predetermined portion 403, then it is determined that the device 103 did not receive the audio information 204.
Similarly, when the second audio output device 103 receives the audio information 204 in the second predetermined portion 401 of the current transmission time slot (denoted as time slot N), the second audio output device sends the second ACK information 404 corresponding to the audio information 204 to the audio gateway 101 through the third wireless link 203 in the third predetermined portion 405 after the first predetermined portion 403 of the current transmission time slot; wherein the second ACK information 404 indicates that the second audio output device 103 has received the audio information 204;
when the audio gateway 101 receives the second ACK information 404 corresponding to the audio information 204 in the third predetermined section 405 through the third wireless link 203, it is determined that the second audio output device 103 receives the audio information 204; of course, when the audio gateway 101 does not receive the second ACK information 404 corresponding to the audio information 204 in the third predetermined portion 405 through the third wireless link 203, it is determined that the audio information 204 is not received by the second audio output device 103; for example, if the audio gateway 101 receives NACK information sent by the second audio output device 103 in the third predetermined section 405, it determines that the device 103 does not receive the audio information 204; as another example, the audio gateway 101 does not receive any information from the device 103 in the third predetermined portion 405, and determines that the device 103 does not receive the audio information 204. The timing relationship among the second predetermined portion 401, the first predetermined portion 403 and the third predetermined portion 405 is shown in fig. 5.
The audio gateway 101, upon receiving the first ACK information 402 and the second ACK information 404, sends the third ACK information 205 to the audio source 104 in time slot N +1 over the first wireless link 105. The audio source 104 receives the third ACK information 205 in the time slot N +1, so that a complete transceiving process is completed, and the audio source 104 may send new audio information in the time slot N +2 or send new audio information in the idle time of the time slot N + 1.
Of course, if the audio gateway 101 does not receive the first ACK information 402 and/or the second ACK information 404, the NACK information 301 is sent to the audio source 104 in the next time slot (i.e., time slot N +1) of the current transmission time slot through the first wireless link 105. A scenario in which NACK information 301 is transmitted is not shown in the figure. The audio source 104 receives the NACK 301 in the time slot N +1 through the first wireless link 105, so that a complete transceiving process is completed, and the audio source 104 may retransmit the audio information 204 in the time slot N +2, or may transmit new audio information in the idle time of the time slot N + 1.
In some embodiments, audio source 104 may wirelessly transmit the audio stereo information stream in the form of one packet or multiple packets. Each packet combines stereo audio information in the form of compressed or uncompressed stereo samples. The stereo audio information comprises stereo samples of first channel information and second channel information, such as left, right channels or similar channels.
Fig. 5 is a timing diagram of 9 different scenarios 501 to 509 between two consecutive time slots N and N +1 in the wireless audio system 400, as shown in fig. 5, wherein 501 is a scenario 501, and the scenario 501 is a scenario where both audio output devices 102 and 103 can receive audio information transmitted by audio sources. In this scenario 501, during a time slot (slot) N (i.e., the second predetermined portion 401 of the current transmission time slot), the audio source sends two-channel stereo wireless audio information, which the audio gateway may not receive, the audio output devices 102 and 103 receive by listening, during the remaining idle time of slot N, during the first predetermined portion 403 of the current transmission slot, the first audio output device sends a first ACK message to the audio gateway, the second audio output device sends a second ACK message to the audio gateway during a third predetermined portion 405 of the current transmission slot, in the case where the audio gateway receives ACK information transmitted from the audio output devices 102 and 103 within the two periods of time, and during the next time slot N +1, the audio gateway sends third ACK information to the audio source, so that a complete transceiving process is completed.
For exceptional scenarios, i.e., scenario 502 through scenario 509; the scenario 502 is that the audio output devices 102 and 103 can both receive the audio information, and after receiving the audio information, both send ACK information to the audio gateway, but the audio gateway only receives second ACK information sent by the second audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
The scene 503 is that both the audio output devices 102 and 103 can receive the audio information, and after receiving the audio information, both send ACK information to the audio gateway, but the audio gateway only receives the ACK information sent by the first audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
The scenario 504 is that both audio output devices 102 and 103 can receive the audio information, and send ACK information to the audio gateway after receiving the audio information, but the audio gateway does not receive ACK information of any earphone. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
Scenario 505 is that only the second audio output device receives the audio information, the second audio output device sends a second ACK message to the audio gateway after receiving the audio information, and the audio gateway receives the second ACK message sent by the second audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
Scenario 506 is that only the first audio output device receives the audio information, the first audio output device sends the first ACK information to the audio gateway after receiving the audio information, and the audio gateway receives the first ACK information sent by the first audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
Scenario 507 is that only the second audio output device receives the audio information, and the second audio output device sends the second ACK information to the audio gateway after receiving the audio information, but the audio gateway does not receive the second ACK information sent by the second audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
Scenario 508 is that only the first audio output device receives the audio information, the first audio output device sends the first ACK information to the audio gateway after receiving the audio information, but the audio gateway does not receive the first ACK information sent by the first audio output device. In this scenario, the audio gateway sends NACK information to the audio source during the next slot N + 1.
The 509 scenario is an abnormal scenario in which neither audio output device receives audio information sent by an audio source. If the audio gateway does not receive the ACK information returned by the two audio output devices during the period 510 and the period 511, the audio gateway sends NACK information to the audio source during the next time slot N + 1.
The exception scenarios are not exhausted, and other exception scenarios may be a permutation and combination of the above exception scenarios. In summary, the scenario that the audio gateway does not receive the ACK information during at least one of the appointed 510 and 511 periods is an abnormal scenario, in which the audio gateway sends NACK information to the audio source during the next slot N + 1.
In some embodiments, the audio source may retransmit the last transmitted audio information at the next time slot N +1 or at the next time slot N +2 of the next time slot after receiving the NACK information.
Related TWS technology, as shown in fig. 6, two earphones are divided into a primary earphone 61 and a secondary earphone 62 while listening to wireless audio information transmitted from an audio source 63. The primary earpiece 61 establishes a bi-directional secondary wireless link with the audio source 63 to receive and acknowledge receipt of the audio information. The primary earpiece 61 and the secondary earpiece 62 communicate with each other via a primary wireless link. The audio source 63 transmits audio information to the primary earpiece 61 via a secondary wireless link configured according to standard wireless protocols. The primary earpiece 61 acknowledges the successful receipt of the audio information via the secondary wireless link.
However, the main earphone 61 should connect two wireless links at the same time, and both the main role (master) and the sub-role (slave) are used, so that it is relatively power-consuming, and the difference between the power consumption of the main earphone 61 and the power consumption of the sub-earphone 62 is relatively large.
Moreover, the main earphone 61 needs to be switched with the auxiliary earphone 62 before being plugged into the charging box, and thus the design is complicated.
Based on this, an exemplary application of the embodiment of the present application in a practical application scenario will be described below.
For the audio transmission mode of the TWS headset, in the embodiment of the present application, an audio gateway (audio gateway) is introduced, which may be a headset charging box or a wearable device (e.g., a smart watch or a bracelet). The audio gateway may store pairing information with two earphones from the factory, as in the wireless audio system 700 shown in fig. 7, and once the two earphones 701 and 702 are powered on, the audio gateway 101 automatically establishes a connection with the two earphones, the audio gateway 101 establishes a second wireless link 202 with earphone 701 (LOUDSPEAKER1, an example of the first audio output device 102) and a third wireless link 203 with earphone 702 (LOUDSPEAKER2, an example of the second audio output device 103), and the audio gateway 101 also automatically establishes a connection with an audio source 104 (e.g., a mobile phone), the first wireless link 105(the first wireless link) once the connection is established with the two earphones. When the audio gateway 101 and the audio source 104 establish a connection, the audio gateway 101 communicates connection parameters with the wireless link 105 (such parameters include, but are not limited to, the bluetooth device address (BD ADDR) of the audio source 104 and the local Clock (CLKN) of the audio source 104), the logical transport address (LT ADDR) and clock offset of the audio gateway 101, and encryption parameters of the link between the audio gateway 101 and the audio source 104, such as a link key, etc.) to the headset 701 and the headset 702 via the wireless link 202 and the wireless link 203. When the audio source 104 sends a stereo audio packet, the headphones 701 and 702 receive the stereo audio packet in a wireless listening manner, and each plays audio of one channel.
When receiving the audio data packet, the headset 701 sends an ACK packet to the audio gateway 101 at a fixed time within the remaining idle time of the current time slot, and similarly, when receiving the audio data packet, the headset 702 also sends an ACK packet to the audio gateway 101 at another fixed time within the remaining idle time of the current time slot. When the audio gateway 101 receives two ACK packets, it sends an ACK packet to the audio source 104 in the next slot. And completing a complete transceiving process.
In the embodiment of the application, the audio gateway is introduced, so that on one hand, it can be ensured that the left and right earphones only establish an Asynchronous Connectionless (ACL) link, and the behaviors are consistent, so that power consumption should be basically the same theoretically. Compared with the related wireless audio system, the wireless audio system provided by the embodiment of the application does not distinguish the main earphone and the auxiliary earphone, so that more electricity is saved.
On the other hand, the left earphone and the right earphone in the embodiment of the application have completely consistent behaviors, and when one earphone is placed in the charging box, the other earphone can continue to work without any switching.
In the embodiment of the application, an audio gateway is introduced and is used as an intermediary to communicate with the mobile phone, so that only one wireless link exists with the mobile phone, and therefore the mobile phone side does not need to be modified in compatibility. The method has the advantages that the implementation modes of the left earphone and the right earphone are unified, the power consumption of the left earphone and the power consumption of the right earphone are reduced, and the audio gateway equipment with larger electric quantity is handed over to the synchronous work with the mobile phone.
The key point of the technical scheme of the application is that an audio gateway is introduced, and step A is that the audio gateway and an audio source establish a wireless link. And step B, the audio gateway establishes wireless links with the left earphone and the right earphone respectively, so that the wireless link parameters established with the audio source are synchronized by the left earphone and the right earphone, and the left earphone and the right earphone can monitor audio data sent by the audio source.
In some embodiments, step B may be replaced by step B ', and step B' is that the audio gateway may also notify the audio gateway of the wireless link parameters established between the left and right earphones and the audio source by broadcasting instead of establishing a wireless link, so that the left and right earphones can listen to the audio data sent by the audio source.
Based on the foregoing embodiments, an embodiment of the present application provides a communication apparatus applied to an audio gateway, fig. 8 is a schematic structural diagram of the communication apparatus applied to the audio gateway according to the embodiment of the present application, and as shown in fig. 8, the apparatus 800 includes a setup module 801 and a sending module 802, where: an establishing module 801 for establishing a first wireless link with an audio source; a sending module 802, configured to send a connection parameter of the first wireless link to a first audio output device and a second audio output device, where the connection parameter enables the first audio output device and the second audio output device to receive audio information sent by the audio source; wherein the first audio output device has no wireless communication link with the second audio output device.
In some embodiments, as shown in fig. 8, the apparatus 800 further includes a receiving module 803, the module 802 is configured to: determining whether the first audio output device receives the audio information over a second wireless link with the first audio output device; determining, over a third wireless link with the second audio output device, whether the second audio output device receives the audio information.
In some embodiments, the receiving module 803 is configured to: receiving, over the second wireless link, an indication corresponding to whether the first audio output device received the audio information to determine whether the first audio output device received the audio information.
In some embodiments, the receiving module 803 is configured to: determining that the first audio output device receives the audio information when first ACK information corresponding to the audio information is received through the second wireless link; determining that the first audio output device did not receive the audio information when first ACK information corresponding to the audio information is not received through the second wireless link.
In some embodiments, the receiving module 803 is configured to: receiving the first ACK information at a first predetermined portion of a current transmission slot over the second wireless link; wherein the first predetermined portion is subsequent to a second predetermined portion of the current transmission time slot, the first audio output device receiving the audio information at the second predetermined portion.
In some embodiments, the second wireless link comprises one of: a Bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, and a WiFi connection link.
In some embodiments, the receiving module 803 is further configured to: receiving, over the third wireless link, an indication corresponding to whether the second audio output device received the audio information to determine whether the second audio output device received the audio information.
In some embodiments, the receiving module 803 is further configured to: determining that the second audio output device receives the audio information when second ACK information corresponding to the audio information is received through the third wireless link; determining that the second audio output device did not receive the audio information when second ACK information corresponding to the audio information is not received through the third wireless link.
In some embodiments, the receiving module 803 is further configured to: receiving the second ACK information over the third wireless link for a third predetermined portion of the current transmission slot; wherein the third predetermined portion is subsequent to the first predetermined portion.
In some embodiments, the third wireless link comprises one of: a Bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, and a WiFi connection link.
In some embodiments, the sending module 802 is further configured to: and when the first audio output device and/or the second audio output device is determined not to receive the audio information, transmitting NACK information to the audio source through the first wireless link.
In some embodiments, the sending module 802 is configured to: transmitting the NACK information to the audio source at a time slot next to a current transmission time slot over the first wireless link.
In some embodiments, the sending module 802 is further configured to: and when the first audio output device and the second audio output device are determined to receive the audio information, sending third ACK information to the audio source through the first wireless link.
In some embodiments, the sending module 802 is configured to: transmitting the third ACK information to the audio source at a time slot next to a current transmission time slot over the first wireless link.
In some embodiments, the audio information includes first channel information and second channel information, wherein the connection parameter enables the first audio output device to extract the first channel information, and the connection parameter enables the second audio output device to extract the second channel information.
In some embodiments, the first wireless link comprises one of: a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, or a WiFi connection link.
In some embodiments, the sending module 802 is configured to: broadcasting the connection parameters.
In some embodiments, the sending module 802 is configured to: sending the connection parameters to the first audio output device through a second wireless link with the first audio output device; and sending the connection parameters to the second audio output device through a third wireless link with the second audio output device.
An embodiment of the present application provides a communication apparatus applied to a first audio output device or a second audio output device, fig. 9 is a schematic structural diagram of the communication apparatus, and as shown in fig. 9, a communication apparatus 900 includes: a receiving module 901; a receiving module 901, configured to receive a connection parameter from an audio gateway, where the connection parameter is a connection parameter of a first wireless link established between the audio gateway and the audio source; and receiving audio information sent by the audio source according to the connection parameters.
In some embodiments, the receiving module 901 is configured to: receiving the audio information at a second predetermined portion of a current transmission timeslot according to the connection parameters; and, as shown in fig. 9, the communication apparatus 902 further includes a sending module 902, where the sending module 902 is configured to: when the audio information is received, sending ACK information to the audio gateway in the remaining time after the second predetermined portion of the current transmission slot to inform the audio gateway that the audio information has been received.
In some embodiments, the receiving module 901 is configured to: receiving the connection parameters from the audio gateway over a wireless link.
In some embodiments, the wireless link comprises one of: a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, and a WiFi connection link.
In some embodiments, as shown in fig. 9, the communications apparatus 900 further includes an extraction module 903 for: and extracting the sound channel information from the audio information according to the connection parameters.
The above description of the apparatus embodiment is similar to the above description of the system embodiment with similar beneficial effects. For technical details not disclosed in the embodiments of the apparatus of the present application, reference is made to the description of the embodiments of the method of the present application for understanding.
It should be noted that, in the embodiment of the present application, the division of the module by the communication apparatus is schematic, and is only one logical function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, may exist alone physically, or may be integrated into one unit by two or more units. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. Or in a combination of software and hardware.
In the embodiment of the present application, if the communication apparatus is implemented in the form of a software functional module and sold or used as a standalone product, the software functional module may also be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing an audio gateway or an audio output device to perform all or part of the functions related to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the present application are not limited to any specific combination of hardware and software.
An audio gateway is provided in an embodiment of the present application, fig. 10 is a schematic diagram of a hardware entity of the audio gateway in the embodiment of the present application, as shown in fig. 10, the audio gateway 101 includes a memory 1011 and a processor 1012, the processor 1012 is a processor with a transceiving function, the memory 1011 stores a computer program that can be run on the processor 1012, and the processor 1012 executes the program to implement the steps related to the audio gateway 101 in the above embodiment.
It should be noted that the Memory 1011 is configured to store instructions and applications executable by the processor 1012, and may also buffer data (for example, image data, audio data, voice communication data, and video communication data) to be processed or already processed by each module in the audio gateway 101 and the processor 1012, and may be implemented by a FLASH Memory (FLASH) or a Random Access Memory (RAM).
An audio output device is provided in an embodiment of the present application, fig. 11 is a schematic diagram of a hardware entity of the audio output device in the embodiment of the present application, as shown in fig. 11, the audio output device 110 includes a memory 111 and a processor 112, the memory 111 stores a computer program that can be executed on the processor 112, and when the processor 112 executes the program, steps corresponding to the audio output device 110 in the embodiment of the present application are implemented. The audio output device 110 may include the first audio output device 102 and/or the second audio output device 103.
It should be noted that the Memory 111 is configured to store instructions and applications executable by the processor 112, and may also buffer data (e.g., image data, audio data, voice communication data, and video communication data) to be processed or already processed by each module in the processor 112 and the first audio output device 102/the second audio output device 103, and may be implemented by a FLASH Memory (FLASH) or a Random Access Memory (RAM).
The embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps corresponding to the audio gateway in the above embodiments, or, when executed by the processor, implements the steps corresponding to the first audio output device or the second audio output device in any embodiment.
Embodiments of the present application provide a computer program product containing instructions, which when run on a computer, cause the computer to perform the steps corresponding to the audio gateway in the above embodiments, or when executed by a processor, implement the steps corresponding to the first audio output device or the second audio output device in any embodiment.
Here, it should be noted that: the above description of the storage medium and device embodiments is similar to the above description of the system embodiments with similar beneficial effects as the system embodiments. For technical details not disclosed in the embodiments of the storage medium, the storage medium and the device of the present application, reference is made to the description of the embodiments of the system of the present application for understanding.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" or "some embodiments" means that a particular feature, structure or characteristic described in connection with the embodiments is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application. The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. The foregoing description of the various embodiments is intended to highlight various differences between the embodiments, and the same or similar parts may be referred to each other, and for brevity, will not be described again herein.
The term "and/or" herein is merely an association relationship describing an associated object, and means that three relationships may exist, for example, object a and/or object B, may mean: the object A exists alone, the object A and the object B exist simultaneously, and the object B exists alone.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and other divisions may be realized in practice, such as: multiple modules or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or modules may be electrical, mechanical or other.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules; can be located in one place or distributed on a plurality of network units; some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all functional modules in the embodiments of the present application may be integrated into one processing unit, or each module may be separately regarded as one unit, or two or more modules may be integrated into one unit; the integrated module can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as a removable Memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk.
Alternatively, the integrated unit described above may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing an audio gateway or an audio output device to execute all or part of the embodiments of the present application related thereto. And the aforementioned storage medium includes: a removable storage device, a ROM, a magnetic or optical disk, or other various media that can store program code.
The features disclosed in the several system embodiments provided herein may be combined arbitrarily, without conflict, to arrive at new system embodiments.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided in the present application may be combined arbitrarily, without conflict, to arrive at new method embodiments or apparatus embodiments.
The above description is only for the embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (25)

1. A communication method for application on an audio gateway, the method comprising:
establishing a first wireless link with an audio source; and
and sending the connection parameters of the first wireless link to a first audio output device and a second audio output device, wherein the connection parameters enable the first audio output device and the second audio output device to receive audio information sent by the audio source.
2. The method of claim 1, further comprising:
determining whether the first audio output device receives the audio information over a second wireless link with the first audio output device; and
determining, over a third wireless link with the second audio output device, whether the second audio output device receives the audio information.
3. The method of claim 2, wherein the determining whether the audio information is received by the first audio output device over the second wireless link with the first audio output device comprises:
receiving, over the second wireless link, an indication corresponding to whether the first audio output device received the audio information to determine whether the first audio output device received the audio information.
4. The method of claim 3, wherein receiving, over the second wireless link, an indication corresponding to whether the audio information was received by the first audio output device to determine whether the audio information was received by the first audio output device comprises:
determining that the first audio output device receives the audio information when first ACK information corresponding to the audio information is received through the second wireless link;
determining that the first audio output device did not receive the audio information when first ACK information corresponding to the audio information is not received through the second wireless link.
5. The method of claim 4, wherein the first ACK information is received over the second wireless link in a first predetermined portion of a current transmission slot; wherein the first predetermined portion is subsequent to a second predetermined portion of the current transmission time slot, the first audio output device receiving the audio information in the second predetermined portion.
6. The method of claim 5, wherein the determining whether the audio information is received by the second audio output device over a third wireless link with the second audio output device comprises:
receiving, over the third wireless link, an indication corresponding to whether the second audio output device received the audio information to determine whether the second audio output device received the audio information.
7. The method of claim 6, wherein receiving, over the third wireless link, an indication corresponding to whether the second audio output device received the audio information to determine whether the second audio output device received the audio information comprises:
determining that the second audio output device receives the audio information when second ACK information corresponding to the audio information is received through the third wireless link;
determining that the second audio output device did not receive the audio information when second ACK information corresponding to the audio information is not received through the third wireless link.
8. The method of claim 7, wherein the second ACK information is received over the third wireless link in a third predetermined portion of the current transmission slot; wherein the third predetermined portion is subsequent to the first predetermined portion.
9. The method of claim 2, wherein the first wireless link, the second wireless link, and the third wireless link comprise one of: a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, and a WiFi connection link.
10. The method according to any one of claims 1 to 9, further comprising:
and when the first audio output device and/or the second audio output device is determined not to receive the audio information, transmitting NACK information to the audio source through the first wireless link.
11. The method of claim 10, wherein the sending NACK information to the audio source over the first wireless link comprises:
transmitting the NACK information to the audio source at a time slot next to a current transmission time slot over the first wireless link.
12. The method according to any one of claims 1 to 9, further comprising:
and when the first audio output device and the second audio output device are determined to receive the audio information, sending third ACK information to the audio source through the first wireless link.
13. The method of claim 12, wherein sending a third ACK message to the audio source over the first wireless link comprises:
transmitting the third ACK information to the audio source at a time slot next to a current transmission time slot over the first wireless link.
14. The method of claim 1, wherein the audio information comprises first channel information and second channel information, wherein the connection parameter enables the first audio output device to extract the first channel information, and wherein the connection parameter enables the second audio output device to extract the second channel information.
15. The method of claim 1, wherein sending the connection parameters of the first wireless link to a first audio output device and a second audio output device comprises:
broadcasting the connection parameters; alternatively, the first and second liquid crystal display panels may be,
transmitting the connection parameters to the first audio output device over the second wireless link; and transmitting the connection parameters to the second audio output device over the third wireless link.
16. A communication method for application on an audio output device, the method comprising:
receiving connection parameters from an audio gateway, wherein the connection parameters are connection parameters of a first wireless link established between the audio gateway and the audio source; and
and receiving audio information sent by the audio source according to the connection parameters.
17. The method of claim 16, wherein receiving audio information transmitted by the audio source according to the connection parameter comprises: receiving the audio information at a second predetermined portion of a current transmission timeslot according to the connection parameters; and, the method further comprises:
when the audio information is received, sending ACK information to the audio gateway in the remaining time after the second predetermined portion of the current transmission slot to inform the audio gateway that the audio information has been received.
18. The method of claim 16, wherein receiving connection parameters from an audio gateway comprises:
receiving the connection parameters from the audio gateway over a wireless link.
19. The method of claim 18, wherein the wireless link comprises one of: a bluetooth connection link, a proprietary protocol connection link, a point-to-point connection link, and a WiFi connection link.
20. The method of claim 16, further comprising:
and extracting the sound channel information from the audio information according to the connection parameters.
21. A communications apparatus for use on an audio gateway, comprising:
an establishing module for establishing a first wireless link with an audio source; and
and the sending module is used for sending the connection parameters of the first wireless link to the first audio output device and the second audio output device, wherein the connection parameters enable the first audio output device and the second audio output device to receive audio information sent by the audio source.
22. A communications apparatus for use with an audio output device, comprising:
a receiving module to:
receiving connection parameters from an audio gateway; wherein the connection parameter is a connection parameter of a first wireless link established between the audio gateway and the audio source; and
and receiving audio information sent by the audio source according to the connection parameters.
23. An audio gateway, comprising: a memory storing a computer program operable on a processor and a processor implementing the steps of the method according to any one of claims 1 to 15 when executing the program.
24. An audio output device comprising a memory and a processor, the memory storing a computer program operable on the processor, the processor implementing the steps of the method of any of claims 16 to 20 when executing the program.
25. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 15, or which, when being executed by a processor, carries out the method of any one of claims 16 to 20.
CN202110013625.1A 2021-01-06 2021-01-06 Communication method and device, equipment and storage medium Pending CN114727371A (en)

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