CN111294777A - Control method and communication method of Bluetooth audio transmitter - Google Patents
Control method and communication method of Bluetooth audio transmitter Download PDFInfo
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- CN111294777A CN111294777A CN201811488551.1A CN201811488551A CN111294777A CN 111294777 A CN111294777 A CN 111294777A CN 201811488551 A CN201811488551 A CN 201811488551A CN 111294777 A CN111294777 A CN 111294777A
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W76/10—Connection setup
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Abstract
The application discloses a control method and a communication method of a Bluetooth audio transmitter and the Bluetooth audio transmitter, wherein the method comprises the steps of respectively establishing voice links between the Bluetooth audio transmitter and at least two Bluetooth devices; receiving downlink data packets from corresponding Bluetooth equipment by using voice links respectively; respectively sending downlink data packets received from different Bluetooth devices to different processing channels for processing to obtain at least two paths of downlink voice data; and playing the downlink voice data by using a loudspeaker. Through the mode, the Bluetooth device can be used for simultaneously hearing the voice data sent by at least two Bluetooth devices.
Description
Technical Field
The application relates to the technical field of communication, in particular to a control method and a communication method of a Bluetooth audio transmitter.
Background
In intercom products, the demand for bluetooth voice has been increasing or decreasing; the existing bluetooth products include a bluetooth ring Push-to-Talk (PTT), a bluetooth headset, a bluetooth hand microphone, and the like. Because bluetooth is designed to use a bluetooth stereo headset as a blueprint at the beginning, the bluetooth voice is used by matching and using master and slave devices in a one-to-one manner.
The inventor of the application finds that although the Bluetooth version is continuously updated, the concept of voice communication between master equipment and slave equipment in one-to-many mode at the same time is not provided all the time; this also results in some of our bluetooth products being limited in certain usage scenarios. The convenience brought by the hands-free mode of the user is considered when the user uses the Bluetooth, when a plurality of communication devices exist, the Bluetooth can only enable one communication device to be hands-free at a time, and the user is very inconvenient to use under the condition. For example, police usually carry intercom and cell-phone and other bluetooth equipment, because of the restriction of bluetooth equipment itself, can't give consideration to a plurality of bluetooth communication equipments well when using; the Bluetooth headset using the traditional scheme can be connected with one interphone or mobile phone at each time, when a traffic police wears the helmet and rides a motorcycle, although the Bluetooth headset is connected with the interphone, if the communication requirement of the mobile phone exists, the helmet is required to be taken off and the mobile phone is required to be held by the hand to normally communicate, so that the use is not safe and inconvenient.
Disclosure of Invention
The present application mainly solves the problem of providing a control method and a communication method for a bluetooth audio transmitter, which can utilize bluetooth devices to simultaneously listen to voice data sent by at least two bluetooth devices.
In order to solve the above technical problem, a technical solution adopted in the present application is to provide a method for controlling a bluetooth audio transmitter, the method including: voice links are respectively established between the Bluetooth audio transmitter and at least two Bluetooth devices; receiving downlink data packets from corresponding Bluetooth equipment by using voice links respectively; respectively sending downlink data packets received from different Bluetooth devices to different processing channels for processing to obtain at least two paths of downlink voice data; and playing the downlink voice data by using a loudspeaker.
In order to solve the above technical problem, another technical solution adopted by the present application is to provide a communication method based on a bluetooth audio transmitter, including: voice links are respectively established between at least two Bluetooth devices and a Bluetooth audio transmitter; and the downlink data packets are respectively sent by utilizing the voice links, so that the downlink data packets are respectively sent to different processing channels by the Bluetooth audio transmitter to be processed, at least two paths of downlink voice data are obtained, and the downlink voice data are played by utilizing a loudspeaker.
In order to solve the above technical problem, another technical solution adopted by the present application is to provide a bluetooth audio transmitter, including: the Bluetooth module is used for establishing voice links with at least two Bluetooth devices respectively and further receiving downlink data packets from the corresponding Bluetooth devices respectively by using the voice links; the processor respectively sends downlink data packets received from different Bluetooth devices to different processing channels for processing so as to obtain at least two paths of downlink voice data; the loudspeaker is used for playing the downlink voice data.
Through the scheme, the beneficial effects of the application are that: through establishing voice link respectively between bluetooth audio frequency transmitter and two at least bluetooth equipment, can utilize the downlink data package that different voice link received corresponding bluetooth equipment sent simultaneously to handle at corresponding processing channel, obtain down voice data, play down voice data through the speaker, can utilize bluetooth equipment to hear the voice data that two at least bluetooth equipment sent simultaneously, need not user's manual change and answer equipment, convenience of customers operation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
fig. 1 is a schematic flowchart illustrating an embodiment of a method for controlling a bluetooth audio transmitter;
fig. 2 is a schematic diagram illustrating a connection structure between a bluetooth device and a bluetooth audio transmitter according to an embodiment of a control method of the bluetooth audio transmitter provided in the present application;
fig. 3 is a schematic flowchart of another embodiment of a control method for a bluetooth audio transmitter provided in the present application;
FIG. 4 is a flowchart illustrating an embodiment of a communication method based on a Bluetooth audio transmitter provided herein;
fig. 5 is a schematic structural diagram of an embodiment of a bluetooth audio transmitter provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating an embodiment of a method for controlling a bluetooth audio transmitter, where the method includes:
step 11: voice links are respectively established between the Bluetooth audio transmitter and at least two Bluetooth devices.
The Bluetooth audio transmitter comprises but is not limited to products with Bluetooth audio transmission functions such as a Bluetooth earphone, a Bluetooth hand microphone, a Bluetooth sound box and the like, and in order to transmit voice between Bluetooth devices, voice links are respectively established between the Bluetooth audio transmitter and at least two Bluetooth devices, so that the Bluetooth audio transmitter can simultaneously receive data sent by different Bluetooth devices; the Bluetooth device can be a device with Bluetooth function, such as a mobile terminal, a Bluetooth ring, a Bluetooth watch, an interphone, a Bluetooth hand and the like.
Step 12: and respectively receiving downlink data packets from the corresponding Bluetooth equipment by utilizing the voice link.
After the voice link between the bluetooth audio transmitter and the bluetooth device is successfully established, the downlink data packets from the bluetooth devices are respectively received by using the voice link, for example, as shown in fig. 2, the bluetooth audio transmitter is a bluetooth headset, the bluetooth device a transmits a downlink data packet by using the voice link between the bluetooth device a and the bluetooth headset, and the bluetooth device B transmits another downlink data packet by using the voice link between the bluetooth device B and the bluetooth headset.
Step 13: and respectively sending the downlink data packets received from different Bluetooth devices to different processing channels for processing so as to obtain at least two paths of downlink voice data.
In order to realize simultaneous processing of voice data, downlink data packets received from different bluetooth devices are respectively sent to different processing channels for processing, and each downlink data packet can be subjected to decoding, digital-to-analog conversion, signal amplification and other processing, so as to finally obtain downlink voice data respectively.
Step 14: and playing the downlink voice data by using a loudspeaker.
After at least two paths of downlink voice equipment are obtained, downlink voice data are output by using a loudspeaker in the Bluetooth audio transmitter, so that a user carrying the Bluetooth audio transmitter can listen to multiple paths of voice at the same time, the user operation is simplified, and the user can use the device conveniently; for example, when a traffic police rides a motorcycle with a helmet, the bluetooth headset is connected to an interphone, when a call of a mobile phone is required, the traffic police needs to take off the helmet and hold the mobile phone to normally call in the prior art, and the operation is inconvenient.
Through establishing voice link respectively between bluetooth audio frequency transmitter and two at least bluetooth equipment, can utilize the downlink data package that different voice link received corresponding bluetooth equipment sent simultaneously to handle at corresponding processing channel, obtain down voice data, play down voice data through the speaker, can utilize bluetooth equipment to hear the voice data that two at least bluetooth equipment sent simultaneously, need not user's manual change and answer equipment, convenience of customers operation.
Referring to fig. 3, fig. 3 is a schematic flowchart of another embodiment of a method for controlling a bluetooth audio transmitter provided in the present application, the method including:
step 31: voice links are respectively established between the Bluetooth audio transmitter and at least two Bluetooth devices.
When the Bluetooth equipment prepares to initiate voice communication, a link establishment request is sent to the Bluetooth audio transmitter, and after the Bluetooth audio transmitter respectively returns response messages to the corresponding Bluetooth equipment, a voice link is established.
Step 32: and respectively receiving downlink data packets from the corresponding Bluetooth equipment by utilizing the voice link.
After a voice link is successfully established between the Bluetooth audio transmitter and the Bluetooth equipment, the connected Bluetooth audio transmitter and the Bluetooth equipment establish a piconet (piconet) through clock synchronization and frequency hopping communication in the same physical channel, the master equipment is responsible for providing a clock synchronization signal and a frequency hopping sequence, and the slave equipment is used as controlled equipment and is controlled by the master equipment; in a piconet, a master device allocates a 3-bit logical transmission address to each slave device, so that a maximum of 7 slave devices can be connected to 1 master device; in this embodiment, the master device is a bluetooth audio transmitter, the slave devices are bluetooth devices, and the bluetooth audio transmitter is connected with at most 7 bluetooth devices.
There are 5 logic transmission modes between the bluetooth audio transmitter and the bluetooth device: SCO (synchronized Connection ordered), eSCO (Extended synchronized Connection ordered), ACL (Asynchronous Connection ordered), ASB (Active Slave Broadcast), and PSB (park Slave Broadcast), which are used in this embodiment to transmit data using SCO packets.
Step 33: an identification tag for distinguishing different Bluetooth devices is extracted from the downstream packet.
The downlink data packet may be an SCO data packet, the SCO data packet may be a data voice data packet, the data voice data packet is used to store voice data and specify a transmission direction of the data packet, and the identification mark may be a logical transmission address of the bluetooth device.
Step 34: and sending the downlink data packet to the corresponding processing channel according to the identification mark so as to obtain at least two paths of downlink voice data.
And sending the downlink data packet to a corresponding processing channel according to the value of the logic transmission address in the SCO data packet so as to generate downlink voice data.
Step 35: and playing the downlink voice data by using a loudspeaker.
After the downlink voice data is generated, outputting the downlink voice data by using a loudspeaker, wherein in a specific implementation, the number of the loudspeaker is one, at least two paths of downlink voice data are synthesized into one path and input to the loudspeaker, so that the loudspeaker plays at least two paths of downlink voice data simultaneously; for example, a user a with an interphone initiates an intercom to a user B with a bluetooth headset, a user C with a mobile phone initiates a call request to the user B, and the bluetooth headset processes the two paths of data, so that the user B can simultaneously hear voices of the interphone and the mobile phone.
In another embodiment, the number of the speakers may be at least two, and the at least two paths of downlink voice data are respectively input to the corresponding speakers, so that the at least two speakers respectively play the corresponding downlink voice data, so that the user can simultaneously listen to multiple voices.
It can be understood that, the priority of the bluetooth device can also be set, and the voices sent by the bluetooth device are played in turn according to the priority order.
Step 36: an instruction for designating a target bluetooth device of at least two bluetooth devices is obtained.
When a user with a Bluetooth audio transmitter wants to send voice data to a target Bluetooth device, the user presses down a key corresponding to the target Bluetooth device on the Bluetooth audio transmitter, and the Bluetooth audio transmitter judges whether the keys corresponding to at least two Bluetooth devices are in an activated state or not; if the key corresponding to the Bluetooth equipment is in the activated state, the Bluetooth equipment corresponding to the key in the activated state is used as the message of the target Bluetooth equipment and is sent to the processor; in addition, the Bluetooth equipment for automatically receiving the uplink voice data can be arranged, the uplink voice data can be sent to default Bluetooth equipment without manual selection of a user, or the uplink voice data can be sent to all Bluetooth equipment connected with the Bluetooth audio transmitter.
Step 37: and receiving uplink voice data, and processing the uplink voice data to obtain an uplink data packet.
The uplink voice data input by the holding user of the Bluetooth audio transmitter is received and processed, and the uplink voice data can be processed by signal amplification, analog-to-digital conversion, coding and the like to obtain an uplink data packet.
Step 38: and transmitting the uplink data packet to the target Bluetooth device by using the corresponding voice link.
And sending the uplink data packet to the target Bluetooth device by using a voice link between the target Bluetooth device and the uplink data packet so as to finish sending the uplink voice data to the target Bluetooth device.
For example, the bluetooth headset is provided with two keys A and B, a user enters a pairing mode by pressing the key A for a long time, and the interphone searches for the bluetooth headset and then connects the bluetooth headset; the user enters the pairing mode again by pressing the button B for a long time, and the mobile phone searches the Bluetooth headset and then is connected; after the connection is successful, the user initiates talkback to the interphone by pressing the key A for a long time, or sends voice to the mobile phone by pressing the key B for a long time, and the user talks with the mobile phone.
When the call is made, the user can press the button B for answering; when the interphone and the mobile phone simultaneously carry out opposite-talking and conversation with a user with the Bluetooth headset, the Bluetooth headset can simultaneously receive two paths of sounds, and can also be configured to preferentially access a single path of voice and set to preferentially answer the sound sent by the interphone; when the user presses the key A, the Bluetooth headset transmits the voice of the user to the interphone, and the interphone calls out the voice; when the user presses the B button, the Bluetooth headset transmits the voice of the user to the mobile phone to complete normal conversation.
The voice links are respectively established between the Bluetooth audio transmitter and the at least two Bluetooth devices, so that the Bluetooth devices can be used for simultaneously receiving voice data sent by the at least two Bluetooth devices, the voice link can be used for sending voice to the target Bluetooth device, voice interaction with the target Bluetooth device is realized, and user operation is facilitated.
Referring to fig. 4, fig. 4 is a schematic flowchart illustrating an embodiment of a communication method based on a bluetooth audio transmitter according to the present application, where the method includes:
step 41: voice links are respectively established between at least two bluetooth devices and the bluetooth audio transmitter.
Each Bluetooth device sends a link request to a Bluetooth audio transmitter to request for establishing a voice link between the Bluetooth device and the Bluetooth audio transmitter, the Bluetooth audio transmitter detects whether the number of the Bluetooth devices connected with the Bluetooth device is smaller than the maximum number of allowed connections or not after receiving the link request, and if the number of the connected Bluetooth devices is smaller than the maximum number of allowed connections, a response message is sent to the Bluetooth device, and the voice link is established successfully; if the number of the connected Bluetooth devices is larger than or equal to the maximum number of the allowed connections, no response message or a connection failure message is sent to the Bluetooth devices, and the voice link establishment is failed.
Step 42: and the downlink data packets are respectively sent by utilizing the voice links, so that the downlink data packets are respectively sent to different processing channels by the Bluetooth audio transmitter to be processed, at least two paths of downlink voice data are obtained, and the downlink voice data are played by utilizing a loudspeaker.
The Bluetooth device sends downlink data packets to the Bluetooth audio transmitter by using the established voice link, so that the Bluetooth audio transmitter sends the downlink data packets to different processing channels respectively for processing to obtain at least two paths of downlink voice data, and plays the downlink voice data by using a loudspeaker to complete voice answering.
Further, the embodiment further includes that the bluetooth device receives an uplink data packet sent by the bluetooth audio transmitter, and a target bluetooth device of the at least two bluetooth devices receives the uplink data packet sent by the bluetooth audio transmitter by using a corresponding voice link.
The uplink data packet is obtained by processing the received uplink voice data after the Bluetooth audio transmitter acquires the instruction for designating the target Bluetooth equipment; and the Bluetooth audio transmitter sends the uplink data packet to the target Bluetooth equipment to realize voice interaction with the target Bluetooth equipment.
The voice links are respectively established between the at least two Bluetooth devices and the Bluetooth audio transmitter, so that the Bluetooth audio transmitter can simultaneously receive downlink data packets sent by the corresponding Bluetooth devices by using different voice links and process the downlink data packets in corresponding processing channels to obtain downlink voice data, and play the downlink voice data by using the loudspeaker, and can simultaneously receive the voice data sent by the at least two Bluetooth devices by using the Bluetooth devices and can receive uplink data packets sent by the Bluetooth audio transmitter, thereby realizing voice sending and facilitating user operation.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a bluetooth audio transmitter provided in the present application, where the bluetooth audio transmitter includes: bluetooth module 51, treater 52 and two at least processing channels 53.
The bluetooth module 51 is configured to establish a voice link with at least two bluetooth devices, and further receive downlink data packets from the corresponding bluetooth devices by using the voice link; the bluetooth module 51 may be a modem, the downlink data packet sent by the bluetooth device is generally sent after being modulated into a modulated signal by digital modulation, and the modem demodulates the modulated signal sent by the bluetooth device to recover the downlink data packet.
The processor 52 sends the downlink data packets received from different bluetooth devices to different processing channels 53 respectively for processing to obtain at least two downlink voice data; the processor 52 may be an MCU (micro controller Unit), which receives a downlink data packet sent by the modem, sends the downlink data packet to the processing channel 53 for processing, obtains downlink voice data, and transmits the downlink voice data to the speaker 54, so that the speaker 54 plays the downlink voice data.
Voice links are respectively established between the at least two bluetooth devices and the modem, downlink data packets are sent to the MCU, the MCU sends the downlink data packets to the corresponding processing channel 53 for processing, downlink voice data are obtained, the speaker 54 is used for playing the downlink voice data, the bluetooth devices can be used for simultaneously receiving the voice data sent by the at least two bluetooth devices, user operation is facilitated, and manual adjustment of voice of other bluetooth devices by a user is not needed.
With continued reference to fig. 5, the bluetooth audio transmitter further includes a codec 55 and an operational amplifier chip 56, a plurality of keys 57, a sensor 58, and a microphone 59.
The processor 52 also extracts from the downstream packets identification tags that are used to distinguish between different bluetooth devices; sending the downlink data packet to the corresponding processing channel 53 according to the identification mark; the downlink data packet may be an SCO data packet, and the identification tag may be a logical transmission address of the bluetooth device.
The codec 55 is connected to the processor 52, and is configured to decode the downlink data packet sent by the processor 52 to obtain the voice data in the downlink data packet.
The processing channels 53 are plural, and each processing channel 53 includes a converter 531 and an operational amplifier 532; when the processing channel 53 is used for processing downlink data packets, the converter 531 is a digital-to-analog converter, which is connected to the codec 55 and configured to convert voice data into analog signals; the operational amplifiers 532 are connected to the digital-to-analog converters for amplifying the analog signals to obtain differential signals, and the number of the converters 531 is the same as that of the operational amplifiers 532.
The operational amplifier chip 56 is connected to the operational amplifier 532 and the speaker 54, and includes a plurality of operational amplifiers for synthesizing the differential signals output from the operational amplifier 532, respectively, and finally forming the downstream voice data.
In a specific embodiment, as shown in fig. 5, the number of the speakers 54 is one, and the speakers 54 are used for synthesizing at least two paths of downstream voice data into one path and playing at least two paths of downstream voice data simultaneously.
In another specific embodiment, the number of the speakers 54 is at least two, and the speakers 54 are configured to receive at least two paths of downlink voice data, so that the at least two speakers 54 respectively play the corresponding downlink voice data, and the downlink voice data of each path are not interfered with each other.
It is to be understood that when the number of the speakers 54 is at least two and the number of the bluetooth devices transmitting the downstream data packets is greater than the number of the speakers 54, a plurality of downstream voice data can be output using the same speaker 54.
The button 57 is connected to the processor 52 through the sensor 58, and is configured to obtain an instruction for designating a target bluetooth device of the at least two bluetooth devices; the user designates a target bluetooth device for receiving the uplink data packet by pressing the key 57 corresponding to the bluetooth device.
The sensor 58 is used for judging whether the keys 57 respectively corresponding to the at least two bluetooth devices are in an activated state; if the key 57 is in the activated state, a message that the bluetooth device corresponding to the key 57 in the activated state is the target bluetooth device is sent to the processor 52.
The microphone 59 is connected to the processor 52, and is configured to receive the uplink voice data, and send the uplink voice data to the corresponding processing channel 53 for processing, so as to obtain an uplink data packet; when the processing channel 53 processes the uplink voice data, the converter 531 is an analog-to-digital converter, the microphone 59 is connected to the operational amplifier 532, and the operational amplifier 532 is configured to amplify the uplink voice data; the analog-to-digital converter is connected to the operational amplifier 532 and the codec 55, respectively, and is configured to convert the amplified uplink voice data into a digital signal, and send the generated digital signal to the codec 55, so that the codec 55 performs encoding processing on the digital signal to form an uplink data packet.
The processor 52 is further configured to obtain an uplink data packet sent by the analog-to-digital converter, and send the uplink data packet to the modem by using the corresponding voice link, so that the modem modulates the uplink data packet and then sends the modulated uplink data packet to a target bluetooth device (not shown in the figure), thereby implementing transmission of voice data with the target bluetooth device.
For example, when the bluetooth headset is connected to two bluetooth devices a and B and there is a simultaneous call request, the bluetooth headset distinguishes the two bluetooth devices by a logical transmission address, and establishes a voice link respectively.
The bluetooth device a initiates a link request, the bluetooth headset responds to the link establishment request and parses the voice data in the SCO packet, and transmits the voice data to the codec 55, and then converts the voice data into a differential signal by using a digital-to-analog converter and an operational amplifier 532, and outputs the differential signal in the left channel, and converts the differential signal into a single-ended signal by using an operational amplifier chip 56 and outputs the single-ended signal to the speaker 54.
The differential audio signal input from the microphone 59 is converted into a single-ended signal by the operational amplifier 532, converted by the analog-to-digital converter and transmitted to the codec 55, and finally transmitted to the bluetooth device a through the voice link, thereby realizing one-way communication.
When the bluetooth device B initiates a voice link request, the bluetooth headset responds to the second link establishment request, and recognizes the bluetooth device to which the SCO packet belongs by using the logical transmission address, analyzes the voice data in the SCO packet, transmits the voice data to the codec 55, converts the voice data into a differential signal by using another analog-to-digital converter and an operational amplifier 532 connected to the analog-to-digital converter, and outputs the differential signal in the right channel; the differential signal is converted into a single-ended signal through the operational amplifier chip 56 for output; and the single-ended signal and the other single-ended signal are combined and output, so that two-way simultaneous communication is realized.
When the Bluetooth headset and the two Bluetooth devices are in communication simultaneously, the Bluetooth headset selects one Bluetooth device to send voice according to the Bluetooth device connected with the keys.
Voice links are respectively established between at least two Bluetooth devices and a modem, downlink data packets are sent to an MCU (microprogrammed control unit), the MCU sends the downlink data packets to a codec 55 and a corresponding analog-to-digital converter and operational amplifier 532 for processing to obtain downlink voice data, the downlink voice data are played by a loudspeaker 54, the voice data sent by the at least two Bluetooth devices can be received and heard at the same time, and simultaneous multi-path voice communication is realized; the user presses the key, inputs uplink voice data by using the microphone, processes the uplink voice data through the operational amplifier 532, the analog-to-digital converter and the codec 55 to obtain an uplink data packet, and sends the uplink data packet to the modem by using the MCU, so that the modem can transmit the modulated uplink data packet to the target bluetooth device through the voice link, thereby transmitting voice to the target bluetooth device.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules or units is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The above embodiments are merely examples, and not intended to limit the scope of the present application, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present application, or those directly or indirectly applied to other related arts, are included in the scope of the present application.
Claims (15)
1. A method of controlling a bluetooth audio transmitter, the method comprising:
voice links are respectively established between the Bluetooth audio transmitter and at least two Bluetooth devices;
receiving downlink data packets from the corresponding Bluetooth equipment by using the voice link respectively;
respectively sending the downlink data packets received from different Bluetooth devices to different processing channels for processing to obtain at least two paths of downlink voice data;
and playing the downlink voice data by using a loudspeaker.
2. The method as claimed in claim 1, wherein the step of sending the downlink data packets received from different bluetooth devices to different processing channels for processing comprises:
extracting identification marks for distinguishing different Bluetooth devices from the downlink data packet;
and sending the downlink data packet to the corresponding processing channel according to the identification mark.
3. The control method of the Bluetooth audio transmitter according to claim 2,
the downlink data packet is an SCO data packet, and the identification mark is a logic transmission address of the Bluetooth equipment.
4. The method of claim 1, wherein the number of the speakers is one, and the step of playing the downlink voice data using the speakers comprises:
and synthesizing the at least two paths of downlink voice data into one path, and inputting the path of downlink voice data into the loudspeaker, so that the loudspeaker can play the at least two paths of downlink voice data simultaneously.
5. The method of claim 1, wherein the number of the speakers is at least two, and the step of outputting the downlink voice data using the speakers comprises:
and respectively inputting the at least two paths of downlink voice data to the corresponding loudspeakers, so that the at least two loudspeakers respectively play the corresponding downlink voice data.
6. The method of controlling a bluetooth audio transmitter as claimed in claim 1, wherein the method further comprises:
acquiring an instruction for specifying a target Bluetooth device of the at least two Bluetooth devices;
receiving uplink voice data;
processing the uplink voice data to obtain an uplink data packet;
and sending the uplink data packet to the target Bluetooth equipment by utilizing the corresponding voice link.
7. The method of claim 6, wherein the step of obtaining an instruction for specifying a target bluetooth device of the at least two bluetooth devices comprises:
judging whether the keys respectively corresponding to the at least two Bluetooth devices are in an activated state;
and if the key is in the activated state, sending the Bluetooth device corresponding to the key in the activated state to the processor as a message of the target Bluetooth device.
8. A communication method based on a bluetooth audio transmitter, the method comprising:
voice links are respectively established between at least two Bluetooth devices and the Bluetooth audio transmitter;
and respectively sending downlink data packets by using the voice links, so that the Bluetooth audio transmitter respectively sends the downlink data packets to different processing channels for processing to obtain at least two paths of downlink voice data, and playing the downlink voice data by using a loudspeaker.
9. The bluetooth audio transmitter-based communication method according to claim 8, wherein the method further comprises:
a target Bluetooth device in the at least two Bluetooth devices receives an uplink data packet sent by the Bluetooth audio transmitter by using the corresponding voice link;
and the uplink data packet is obtained by processing the received uplink voice data after the Bluetooth audio transmitter acquires the instruction for specifying the target Bluetooth device.
10. A Bluetooth audio transmitter, comprising:
the Bluetooth module is used for respectively establishing voice links with at least two Bluetooth devices and further respectively receiving downlink data packets from the corresponding Bluetooth devices by utilizing the voice links;
the processor sends the downlink data packets received from different Bluetooth devices to different processing channels respectively for processing so as to obtain at least two paths of downlink voice data;
and the loudspeaker is used for playing the downlink voice data.
11. The Bluetooth audio transmitter of claim 10,
the processor is further configured to extract identification tags for distinguishing different bluetooth devices from the downlink data packets, and send the downlink data packets to the corresponding processing channels according to the identification tags.
12. The Bluetooth audio transmitter of claim 10,
the number of the loudspeakers is one, and the loudspeakers are used for synthesizing the at least two paths of downlink voice data into one path and simultaneously playing the at least two paths of downlink voice data.
13. The Bluetooth audio transmitter of claim 10,
the number of the loudspeakers is at least two, and the loudspeakers are used for respectively receiving the at least two paths of downlink voice data, so that the at least two loudspeakers respectively play the corresponding downlink voice data.
14. The Bluetooth audio transmitter of claim 10,
the Bluetooth audio transmitter further comprises a microphone and a key, wherein the key is connected with the processor and used for acquiring an instruction for designating a target Bluetooth device in the at least two Bluetooth devices; the microphone is connected with the processor and used for receiving uplink voice data and sending the uplink voice data to the corresponding processing channel for processing to obtain an uplink data packet, and the processor acquires the uplink data packet and utilizes the corresponding voice link to send the uplink data packet to the target Bluetooth equipment.
15. The Bluetooth audio transmitter of claim 14,
the Bluetooth audio transmitter also comprises an inductor, wherein the inductor is connected with the keys and is used for judging whether the keys respectively corresponding to the at least two Bluetooth devices are in an activated state or not; and if the key is in the activated state, sending the Bluetooth device corresponding to the key in the activated state to the processor as a message of the target Bluetooth device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811488551.1A CN111294777A (en) | 2018-12-06 | 2018-12-06 | Control method and communication method of Bluetooth audio transmitter |
Applications Claiming Priority (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423197A (en) * | 2020-11-19 | 2021-02-26 | 四川长虹电器股份有限公司 | Method and device for realizing multipath Bluetooth audio output |
| CN112929793A (en) * | 2021-01-25 | 2021-06-08 | 维沃移动通信有限公司 | Audio framework, audio control method, device and equipment |
| CN113676851A (en) * | 2021-08-17 | 2021-11-19 | 深圳市芯中芯科技有限公司 | Communication method and system for Bluetooth device and wireless interphone |
| WO2022222648A1 (en) * | 2021-04-21 | 2022-10-27 | Oppo广东移动通信有限公司 | Audio data receiving method, audio data sending method, audio receiving apparatus, and audio sending apparatus |
| CN116236205A (en) * | 2022-12-19 | 2023-06-09 | 天津大学 | Multichannel miniature brain electricity acquisition system |
| CN116761110A (en) * | 2023-08-18 | 2023-09-15 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
| WO2023179159A1 (en) * | 2022-03-24 | 2023-09-28 | Oppo广东移动通信有限公司 | Communication chip, bluetooth communication devices and data transmission method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090081953A1 (en) * | 2005-04-30 | 2009-03-26 | Dan Tian | Method for Supporting Simultaneously Multiple-Path Bluetooth Audio Applications |
| CN103237274A (en) * | 2013-03-28 | 2013-08-07 | 深圳市力同亚太科技有限公司 | Audio equipment, microphone and operating method thereof, and audio transmission system |
| CN103686516A (en) * | 2013-12-11 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Bluetooth headset capable of sharing audios and control method thereof |
| CN104507001A (en) * | 2014-11-21 | 2015-04-08 | 宁波翼动通讯科技有限公司 | Music playing method for Bluetooth sound box |
| CN105023593A (en) * | 2014-04-18 | 2015-11-04 | 联想移动通信科技有限公司 | Terminal audio playing method, terminal audio playing device and terminal |
| US20170093510A1 (en) * | 2015-07-30 | 2017-03-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Audio playing method and apparatus based on bluetooth connection |
| CN106936987A (en) * | 2017-02-24 | 2017-07-07 | 田力 | A kind of method and apparatus in recognizable bluetooth earphone voice source |
| WO2018032455A1 (en) * | 2016-08-18 | 2018-02-22 | 华为技术有限公司 | Bluetooth communication method and terminal |
-
2018
- 2018-12-06 CN CN201811488551.1A patent/CN111294777A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090081953A1 (en) * | 2005-04-30 | 2009-03-26 | Dan Tian | Method for Supporting Simultaneously Multiple-Path Bluetooth Audio Applications |
| CN103237274A (en) * | 2013-03-28 | 2013-08-07 | 深圳市力同亚太科技有限公司 | Audio equipment, microphone and operating method thereof, and audio transmission system |
| CN103686516A (en) * | 2013-12-11 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Bluetooth headset capable of sharing audios and control method thereof |
| CN105023593A (en) * | 2014-04-18 | 2015-11-04 | 联想移动通信科技有限公司 | Terminal audio playing method, terminal audio playing device and terminal |
| CN104507001A (en) * | 2014-11-21 | 2015-04-08 | 宁波翼动通讯科技有限公司 | Music playing method for Bluetooth sound box |
| US20170093510A1 (en) * | 2015-07-30 | 2017-03-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Audio playing method and apparatus based on bluetooth connection |
| WO2018032455A1 (en) * | 2016-08-18 | 2018-02-22 | 华为技术有限公司 | Bluetooth communication method and terminal |
| CN106936987A (en) * | 2017-02-24 | 2017-07-07 | 田力 | A kind of method and apparatus in recognizable bluetooth earphone voice source |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423197A (en) * | 2020-11-19 | 2021-02-26 | 四川长虹电器股份有限公司 | Method and device for realizing multipath Bluetooth audio output |
| CN112929793A (en) * | 2021-01-25 | 2021-06-08 | 维沃移动通信有限公司 | Audio framework, audio control method, device and equipment |
| CN112929793B (en) * | 2021-01-25 | 2022-06-03 | 维沃移动通信有限公司 | Audio framework, audio control method, device and equipment |
| WO2022222648A1 (en) * | 2021-04-21 | 2022-10-27 | Oppo广东移动通信有限公司 | Audio data receiving method, audio data sending method, audio receiving apparatus, and audio sending apparatus |
| CN113676851A (en) * | 2021-08-17 | 2021-11-19 | 深圳市芯中芯科技有限公司 | Communication method and system for Bluetooth device and wireless interphone |
| CN113676851B (en) * | 2021-08-17 | 2022-06-28 | 深圳市芯中芯科技有限公司 | Communication method and system of Bluetooth device and wireless interphone |
| WO2023179159A1 (en) * | 2022-03-24 | 2023-09-28 | Oppo广东移动通信有限公司 | Communication chip, bluetooth communication devices and data transmission method |
| CN116236205A (en) * | 2022-12-19 | 2023-06-09 | 天津大学 | Multichannel miniature brain electricity acquisition system |
| CN116761110A (en) * | 2023-08-18 | 2023-09-15 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
| CN116761110B (en) * | 2023-08-18 | 2023-11-14 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
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