CN113271564A - Method for paralleling telephone and music based on vehicle machine Bluetooth module - Google Patents
Method for paralleling telephone and music based on vehicle machine Bluetooth module Download PDFInfo
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- CN113271564A CN113271564A CN202110458759.4A CN202110458759A CN113271564A CN 113271564 A CN113271564 A CN 113271564A CN 202110458759 A CN202110458759 A CN 202110458759A CN 113271564 A CN113271564 A CN 113271564A
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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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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Abstract
The invention provides a phone and music parallel method based on a vehicle machine Bluetooth module, which is characterized by being applied to a system consisting of a vehicle machine, first electronic equipment and second electronic equipment, wherein the vehicle machine is respectively connected with a first audio module of a public audio zone and a second audio module of a private audio zone, and the method comprises the following steps: the vehicle machine is independently connected with the first electronic device and the second electronic device through the Bluetooth module respectively; the audio played by the first electronic equipment is played through the first audio module; when the second electronic equipment dials or accesses a telephone, the car machine plays the audio communicated with the second electronic equipment through the second audio module, and keeps the audio played by the first electronic equipment to be played through the first audio module. According to the invention, the plurality of sound zones are arranged, so that the communication and the music playing are parallel and do not interfere with each other, the communication privacy of a main driver is ensured, and the entertainment experience of people in the vehicle is not influenced.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted Bluetooth, in particular to a phone and music parallel method based on a vehicle-mounted Bluetooth module.
Background
Bluetooth, a standard wireless communication protocol, is one of the main ways of near field communication in the field of vehicle-mounted entertainment systems. The Bluetooth hands-free telephone function ensures the driving safety of a driver, and the Bluetooth music function is one of important entertainment experiences. In the traditional vehicle-mounted entertainment system, only one sound zone is arranged in the vehicle, only one mobile phone can be connected through the Bluetooth, and the Bluetooth music must stop when the Bluetooth phone is connected. Even if the command of pause of vocal music is not sent down, the mobile phone can automatically stop playing and output the conversation sound, so that the entertainment experience of people in the vehicle is interrupted, and the conversation content of a driver has no privacy.
Disclosure of Invention
In view of this, the present invention provides a phone and music parallel method based on a bluetooth module of a vehicle, which can make music and call parallel.
In order to solve the technical problems, the invention adopts the following technical scheme:
the method for paralleling the telephone and the music based on the Bluetooth module of the vehicle machine is applied to a system consisting of the vehicle machine, first electronic equipment and second electronic equipment, wherein the vehicle machine is respectively connected with a first audio module of a public sound zone and a second audio module of a private sound zone, and the method comprises the following steps:
the vehicle machine is independently connected with the first electronic device and the second electronic device through the Bluetooth module;
the audio played by the first electronic equipment is played through the first audio module;
when the second electronic equipment dials or accesses the telephone, the car machine plays the audio communicated with the second electronic equipment through the second audio module, and keeps the audio played by the first electronic equipment to be played through the first audio module.
Further, the car machine passes through bluetooth module and independently connects with first electronic equipment and second electronic equipment respectively, includes:
the car machine establishes a music service connection with the first electronic device over the asynchronous bluetooth link and establishes a phone service connection with the second electronic device over the asynchronous bluetooth link.
Further, when a second electronic device dials or accesses a telephone, the car machine plays audio communicated with the second electronic device through a second audio module, and the method comprises the following steps:
when the second electronic equipment dials or accesses a telephone, the car machine adjusts the volume played by the first audio module in the public audio area, and plays the downlink call data in the private audio area after the downlink call data is amplified.
Further, the audio played by the first electronic device is played through the first audio module, which includes:
when the first electronic music is played, the car machine applies for opening a Bluetooth music channel;
the first electronic equipment starts to transmit audio data, and the audio data are decoded into audio data according to a negotiated audio decoding mode when the first electronic equipment is connected with the car machine;
the first electronic equipment writes the audio data into the Bluetooth music channel and plays the audio in the public sound zone.
Further, the public sound zone comprises one or more of a main driving sound zone, a secondary driving sound zone and a rear row sound zone.
Further, when a second electronic device dials or accesses a telephone, the car machine plays audio communicated with the second electronic device through the second audio module, and the method further comprises the following steps:
when the second electronic equipment dials/accesses a telephone, the car machine adjusts the first audio module of the main driving area to be mute, and reduces the volume played by the first audio module of the auxiliary driving area;
the vehicle machine and the second electronic equipment establish a synchronous Bluetooth link and open a second audio module;
the car machine gains the downlink call data with the second electronic equipment and writes the data into the second audio module;
the second audio module plays the audio of the call made by the second electronic equipment.
Furthermore, the method for the parallel of the telephone and the music based on the Bluetooth module of the vehicle machine further comprises the following steps:
the car machine captures and transmits uplink call data through a microphone in a private sound area;
after the second electronic equipment finishes the call, the car machine closes the second audio module of the private sound zone and restores the volume played by the first audio module of the public sound zone.
Further, the car machine snatchs and transmits the data of going up a conversation through the microphone in private sound district, include:
the car machine captures the call sound of the private sound area through a microphone of the private sound area;
the car machine performs echo cancellation and noise reduction on the uplink call data through echo cancellation software;
uplink telephone call data is transmitted over the synchronous bluetooth link.
Another embodiment of the present invention provides a phone and music parallel system based on a bluetooth module of a vehicle, including:
the car machine is respectively connected with a first audio module of a public sound zone and a second audio module of a private sound zone of the car;
the first electronic equipment is used for playing audio through the first audio module;
and the second electronic equipment is used for playing the audio frequency of the communication through a second audio module of the private sound area when the second electronic equipment dials or accesses the telephone.
The car machine is used for being independently connected with the first electronic device and the second electronic device through the Bluetooth module respectively, and when the audio frequency communicated with the second electronic device is played through the second audio frequency module, the audio frequency played by the first electronic device is kept to be played through the first audio frequency module.
Further, the car machine is used for establishing a music service connection with the first electronic device on an asynchronous Bluetooth link, and establishing a telephone service connection with the second electronic device on the asynchronous Bluetooth link.
Furthermore, the car machine is used for adjusting the volume played by the first audio module in the public audio area when the second electronic device makes or accesses a call, and playing the downlink call data of the second electronic device in the private audio area after the downlink call data is amplified.
Further, the first electronic device is configured to:
when audio data are transmitted, decoding the audio data into audio data according to a negotiated audio decoding mode when the audio data are connected with a vehicle machine;
and writing the audio data into a Bluetooth music channel, and playing the audio in the public sound zone.
Further, the public sound zone comprises one or more of a main driving sound zone, a secondary driving sound zone and a rear row sound zone.
Further, the car machine is still used for:
when the second electronic equipment dials/accesses a telephone, adjusting the first audio module of the main driving area to be silent, and reducing the volume played by the first audio module of the auxiliary driving area;
establishing a synchronous Bluetooth link with a second electronic device, and opening a second audio module;
after gaining the downlink call data of the second electronic equipment, writing the downlink call data into a second audio module;
and playing the audio of the call made by the second electronic equipment.
Still further, the car machine is still used for:
capturing and transmitting uplink call data through a microphone in a private sound area;
and after the second electronic equipment finishes the call, closing the second audio module in the private sound zone and recovering the volume played by the first audio module in the public sound zone.
Still further, the car machine is still used for:
capturing the call sound of the private sound area through a microphone of the private sound area;
echo cancellation and noise reduction are carried out on the uplink call data through echo cancellation software;
uplink telephone call data is transmitted over the synchronous bluetooth link.
The technical scheme of the invention at least has one of the following beneficial effects:
1. the embodiment of the invention connects the two mobile phones through the Bluetooth module, and plays music and conversation audio respectively according to the sound zone, so that the conversation and the music are independent and are not interfered, and the entertainment experience is improved;
2. the invention is realized by software, does not increase hardware cost, is suitable for various vehicle-mounted entertainment systems, has strong compatibility and is convenient to popularize.
Drawings
FIG. 1 is a diagram of a phone and music parallel system architecture based on a Bluetooth module of a vehicle;
FIG. 2 is a flowchart of a phone and music parallel method based on a Bluetooth module of a vehicle machine according to an embodiment of the present invention
Fig. 3 is a schematic diagram of the distribution of the sound zone positions of a vehicle based on the phone and music parallel method of the bluetooth module of the vehicle machine according to the embodiment of the present invention;
FIG. 4 is another flowchart of a phone and music parallel method based on a Bluetooth module of a vehicle;
fig. 5 is a schematic structural diagram of a phone and music parallel system based on a bluetooth module of a vehicle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
In the prior art, only one mobile phone can be connected through Bluetooth, and because the mobile phone cannot simultaneously talk and play music, the mobile phone can suspend music transmission during talking and convert the talking into output talking sound, and Bluetooth telephone and Bluetooth music cannot coexist. The invention adopts a phone and music parallel method based on the vehicle-mounted Bluetooth module, so that the Bluetooth phone and the Bluetooth music are parallel, and the entertainment experience is improved.
Referring to fig. 1, fig. 1 is a system architecture diagram of a phone and music parallel based on a bluetooth module of a car machine, as shown in fig. 1, the architecture diagram includes a mobile phone 110 (as a first electronic device), a mobile phone 120 (as a second electronic device), and a car machine 130.
The car machine 130 is independently connected to the mobile phone 110 and the mobile phone 120 through bluetooth modules, and specifically, the car machine 130 may establish a music service connection with the mobile phone 110 on an asynchronous bluetooth link for transmitting audio data, and establish a telephone service connection with the mobile phone 120 on an asynchronous bluetooth link for transmitting call audio data. Because the mobile phone 110 and the mobile phone 120 are two independent links for communication and music and conversation audio are respectively played in a sound zone, the conversation and the music are independent and not interfered, and the entertainment experience is improved.
First, a method for paralleling a phone and music based on a bluetooth module of a vehicle machine according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The phone and music parallel method based on the vehicle-mounted Bluetooth module is applied to a system formed by a vehicle-mounted device, first electronic equipment and second electronic equipment, wherein the vehicle-mounted device is respectively connected with a first audio module of a public audio zone and a second audio module of a private audio zone.
Fig. 2 is a flowchart of a phone and music parallel method based on a bluetooth module of a vehicle.
As shown in fig. 2, according to a flowchart of a phone and music parallel method based on a bluetooth module of a vehicle, the flowchart includes S100-S300, and several steps are described in detail below:
s100, the vehicle machine is independently connected with the first electronic device and the second electronic device through the Bluetooth module.
Specifically, the car machine may establish a music service link with the first electronic device on an acl (asynchronous connection) link, for example, an A2DP (Advanced Audio Distribution Profile) connection may be established; and establishing a telephony service connection with the second electronic device over the ACL link, for example, HFP (handles-free Profile) connection may be established.
More specifically, the ACL link is a packet data transmission link, which supports both one-to-one data transmission and one-to-many data transmission, that is, the vehicle device can establish a data transmission channel with the first electronic device and the second electronic device through the ACL link. Therefore, data transmission channels can be respectively established with the two mobile phones to transmit the audio data of conversation and music.
S200, the audio played by the first electronic equipment is played through the first audio module of the public audio zone.
S300, when the second electronic device dials or accesses the telephone, the car machine plays the audio communicated with the second electronic device through the second audio module, and keeps the audio played by the first electronic device to be played through the first audio module. Therefore, the communication of the second electronic equipment and the music played by the first electronic equipment are independent from each other and are not interfered, and the entertainment experience is improved. This process will be described in detail below.
In an embodiment of the present invention, the public range of the vehicle may include one or more of a main driving range 101, a sub-driving range 102, and a rear row range 103. The private sound zone may include a main driving sound zone 104.
Referring to fig. 3, fig. 3 shows a schematic view of a vocal tract location distribution of a vehicle. The main driving area 101 is located at a main driving seat door, the auxiliary driving area 102 is located at an auxiliary driving seat door, the rear exhaust area 103 is located at two side doors of a rear seat of the vehicle, the private area 104 is located at the main driving seat door or seat, and the private area 104 can be used, for example, a headrest or an earphone is arranged at the main driving seat, so that the privacy of the call can be ensured.
Referring to fig. 4, fig. 4 is a flowchart illustrating a method for phone and music parallel based on bluetooth of the vehicle, including:
the audio played by the first electronic device is played through the first audio module, for example, when the first electronic device plays music, the car machine applies for opening a bluetooth music channel; and the first electronic equipment starts to transmit audio data and decodes the audio data into audio data according to the audio decoding mode negotiated when the first electronic equipment is connected with the car machine.
Specifically, when the first electronic device plays music, the car machine applies for opening the bluetooth music audio channel after receiving that the playing status of the first electronic device is streaming, and the first electronic device decodes the audio data into pcm (pulse Code modulation) audio data according to an audio decoding mode negotiated when being connected with the car machine, for example, the decoding mode may be one of SBC, AAC, and LDAC, and writes the pcm audio data into the bluetooth music audio channel, and at this time, no other audio data exists in the audio channel, so that the music audio can play audio in an open audio zone.
When the second electronic equipment dials or accesses the telephone, the car machine plays the audio communicated with the second electronic equipment through the second audio module, and keeps the audio played by the first electronic equipment to be played through the first audio module.
In an embodiment of the present invention, when the second electronic device makes or accesses a call, the car device adjusts the volume played by the first audio module in the public audio zone, and performs the playback in the private audio zone after amplifying the gain of the downlink call data with the second electronic device.
For example, when the second electronic device makes or accesses a call, the car machine adjusts the first audio module of the primary driving zone to be mute, reduces the volume played by the first audio module of the secondary driving zone, and also appropriately increases or decreases the volume according to the current volume of the rear row of sound zones. The first audio module in the main driving area is adjusted to be mute, the volume played by the first audio module in the auxiliary driving area is reduced, the main driving can communicate more clearly, and the communication quality is effectively improved.
Further, the vehicle may establish a synchronous bluetooth link with the second electronic device and turn on the second audio module. Specifically, the car may establish an SCO (synchronous Connection established) bluetooth link with the second electronic device, where the SCO link is a link for synchronous voice transmission, and may transmit data with a high requirement on time, thereby effectively reducing call delay and improving call quality.
Furthermore, the car machine performs gain on the downlink call data of the second electronic device and then writes the gain data into the second audio module. Specifically, after the SCO connection is established, the call audio data of the second electronic device is immediately transmitted to the second audio module through the link, and the car may perform gain amplification processing on the downlink call audio data, write the call audio data into the telephone channel of the private sound area, and output the call audio data to the private sound area.
Furthermore, the method for the parallel of the telephone and the music based on the Bluetooth module of the vehicle machine further comprises the following steps:
the car machine captures and transmits uplink call data through a microphone in the private sound area.
After the second electronic equipment finishes the call, the car machine closes the second audio module of the private sound zone and restores the volume played by the first audio module of the public sound zone.
Further, the car machine snatchs and transmits the data of going up a conversation through the microphone in private sound district, include: the car machine captures the call sound of the private sound area through a microphone of the private sound area; the car machine performs echo cancellation and noise reduction on the uplink call data through echo cancellation software; echo and noise are eliminated through software, so that the call quality can be ensured, and the cost can be effectively reduced because only the software is used for processing call data. The uplink data is transmitted over the SCO link. The SCO link is a link for synchronous voice transmission, and can effectively reduce call delay and improve call quality in an uplink call process.
Another embodiment of the present invention provides a phone and music parallel system based on a bluetooth module of a vehicle, and referring to fig. 5, fig. 5 shows a schematic structural diagram of the system, including:
the car machine 130, the car machine 130 is used for connecting with the first audio module 201 of the public sound zone and the second audio module 202 of the private sound zone of the vehicle respectively;
the first electronic device 110, the first electronic device 110 is configured to play audio through the first audio module 201;
and the second electronic device 120, wherein the second electronic device 120 is configured to play the audio of the communication through the second audio module 202 in the private sound area when the second electronic device 120 makes or accesses a call.
The car machine 130 is configured to be independently connected to the first electronic device 110 and the second electronic device 120 through the bluetooth module, and when the audio communicated with the second electronic device 120 is played through the second audio module 202, the audio played by the first electronic device 110 is kept to be played through the first audio module 201.
It should be noted that, for the specific functional functions of the method for implementing the embodiment by each device in the phone and music parallel system based on the bluetooth module of the vehicle, reference may be made to the description of the embodiment, and no further description is given here.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (15)
1. The utility model provides a phone and music parallel method based on car machine bluetooth module which characterized in that is applied to the system that includes car machine, first electronic equipment and second electronic equipment and constitutes, the car machine is connected with the first audio module in public sound district and the second audio module in private sound district respectively, the method includes:
the vehicle machine is independently connected with the first electronic device and the second electronic device through the Bluetooth module respectively;
the audio played by the first electronic equipment is played through the first audio module;
when the second electronic equipment dials or accesses a telephone, the car machine plays the audio communicated with the second electronic equipment through the second audio module, and keeps the audio played by the first electronic equipment to be played through the first audio module.
2. The method according to claim 1, wherein the vehicle machine is independently connected to the first electronic device and the second electronic device through the bluetooth module, respectively, and comprises:
the car machine and the first electronic equipment establish music service connection on an asynchronous Bluetooth link, and establish telephone service connection with the second electronic equipment on the asynchronous Bluetooth link.
3. The method of claim 1, wherein when the second electronic device makes or accesses a phone call, the car machine plays audio communicated by the second electronic device through the second audio module, and the method comprises:
when the second electronic device dials or accesses a telephone, the car machine adjusts the volume played by the first audio module in the public sound area, and plays the downlink call data with the second electronic device in the private sound area after gain amplification.
4. The method for phone and music parallelism based on the Bluetooth module of the vehicle machine according to claim 1, wherein the audio played by the first electronic device is played through the first audio module, comprising:
when the first electronic music is played, the car machine applies for opening a Bluetooth music channel;
the first electronic equipment starts to transmit audio data, and the audio data are decoded into audio data according to a negotiated audio decoding mode when the first electronic equipment is connected with the car machine;
and the first electronic equipment writes the audio data into the Bluetooth music channel and plays audio in the public sound zone.
5. The method of any one of claims 1-4, wherein the public address zone comprises one or more of a primary drive zone, a secondary drive zone, and a rear row zone.
6. The phone and music parallel method based on the bluetooth enabled car machine module according to claim 3, wherein when the second electronic device makes or accesses a phone, the car machine plays audio communicated with the second electronic device through the second audio module, further comprising:
when the second electronic equipment dials/accesses a telephone, the car machine adjusts the first audio module of the main driving area to be silent, and reduces the volume played by the first audio module of the auxiliary driving area;
the car machine and the second electronic equipment establish a synchronous Bluetooth link and open the second audio module;
the car machine gains the downlink call data of the second electronic equipment and writes the downlink call data into the second audio module;
and the second audio module plays the audio of the call made by the second electronic equipment.
7. The method of claim 1, further comprising:
the car machine captures and transmits the uplink call data through a microphone of the private sound area;
after the second electronic device finishes the call, the car machine closes the second audio module in the private sound zone, and restores the volume played by the first audio module in the public sound zone.
8. The bluetooth-based phone and music concurrency method according to claim 7, wherein said car machine capturing and transmitting said up-call data through a microphone of said private zone comprises:
the car machine captures the call sound of the private area through a microphone of the private area;
the car machine performs echo cancellation and noise reduction on the uplink call data through the echo cancellation software;
and transmitting the uplink telephone call data through the synchronous Bluetooth link.
9. The utility model provides a phone and parallel system of music based on car machine bluetooth module which characterized in that includes:
the car machine is respectively connected with a first audio module of a public sound zone and a second audio module of a private sound zone of the car;
the first electronic equipment is used for playing audio through the first audio module;
the second electronic equipment is used for playing the audio frequency of communication through a second audio module of the private sound area when the second electronic equipment dials or accesses a telephone;
the car machine is used for being independently connected with the first electronic device and the second electronic device through the Bluetooth module respectively, and when audio communicated with the second electronic device is played through the second audio module, the audio played by the first electronic device is kept to be played through the first audio module.
10. The car machine bluetooth module-based phone and music parallel system according to claim 9, wherein the car machine is configured to establish a music service connection with a first electronic device over an asynchronous bluetooth link, and to establish a phone service connection with the second electronic device over the asynchronous bluetooth link.
11. The phone and music parallel system based on the bluetooth module of the vehicle machine as claimed in claim 9, wherein the vehicle machine is configured to adjust the volume of the first audio module in the public audio area when the second electronic device makes or accesses a phone call, and to gain-amplify downlink call data with the second electronic device and then play the amplified data in the private audio area.
12. The car machine bluetooth module based phone and music parallel system according to claim 9, wherein the first electronic device is configured to:
when audio data are transmitted, decoding the audio data into audio data according to an audio decoding mode negotiated when the vehicle-mounted device is connected with the vehicle-mounted device;
and writing the audio data into the Bluetooth music channel, and playing audio in the public sound zone.
13. The vehicle-mounted bluetooth module based phone and music parallelism system according to claim 9, wherein the vehicle-mounted machine is further configured to:
when the second electronic equipment dials/accesses a telephone, adjusting the first audio module of the main driving area to be silent, and reducing the volume played by the first audio module of the auxiliary driving area;
establishing a synchronous Bluetooth link with the second electronic equipment, and opening the second audio module;
after gaining the downlink call data of the second electronic device, writing the downlink call data into the second audio module;
and playing the audio of the call made by the second electronic equipment.
14. The vehicle-mounted bluetooth module based phone and music parallelism system according to claim 9, wherein the vehicle-mounted machine is further configured to:
capturing and transmitting the uplink call data through a microphone of the private sound area;
and after the second electronic equipment finishes the call, closing the second audio module in the private sound zone, and recovering the volume played by the first audio module in the public sound zone.
15. The vehicle-mounted bluetooth module-based phone and music parallelism system according to claim 7, wherein the vehicle-mounted device is further configured to:
capturing the call sound of the private sound area through a microphone of the private sound area;
echo cancellation and noise reduction are carried out on the uplink call data through the echo cancellation software;
and transmitting the uplink telephone call data through the synchronous Bluetooth link.
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