CN105047211B - A kind of onboard audio playback method and car-mounted terminal - Google Patents
A kind of onboard audio playback method and car-mounted terminal Download PDFInfo
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- CN105047211B CN105047211B CN201510357798.XA CN201510357798A CN105047211B CN 105047211 B CN105047211 B CN 105047211B CN 201510357798 A CN201510357798 A CN 201510357798A CN 105047211 B CN105047211 B CN 105047211B
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- 238000000034 method Methods 0.000 title claims abstract description 31
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- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
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Abstract
The invention discloses a kind of onboard audio playback method and car-mounted terminals.Method therein includes：It receives onboard audio and obtains request；Obtain requested audio signal；The audio signal is converted into FM signal；The FM signal is played out by vehicle-mounted radio in setpoint frequency section.Also disclose corresponding terminal.Using a kind of onboard audio playback method provided by the invention and car-mounted terminal, audio to be played can voluntarily be chosen, and it converts the audio into as FM signal, it is unified to be played back in setpoint frequency section by vehicle-mounted radio, there is better result of broadcast without passively playing the program of radio, and compared to other mobile terminals.
Description
Technical field
The present invention relates to intelligent vehicle-carried technical field more particularly to a kind of onboard audio playback methods and car-mounted terminal.
Background technology
Currently, when driving, car owner will safely obtain information mainly or by audible, especially broadcast
Audio, other acquisition modes can cause traffic safety certain hidden danger.But broadcast program have may be selected, can not
The characteristics of control, car owner can only passively listen to.And under current development of Mobile Internet technology environment, car owner is often more likely to pass through hand
Machine obtains audio, for example listens to music, answers the call, guidance etc., but bad by mobile phone mode effect and there is also larger
Driving hidden danger.
Invention content
The present invention provides a kind of onboard audio playback method and car-mounted terminals, so as to the audio played can be voluntarily selected,
And provide effect better audio broadcast mode.
On the one hand, a kind of onboard audio playback method is provided, the method includes：
It receives onboard audio and obtains request；
Obtain requested audio signal；
The audio signal is converted into FM signal；
The FM signal is played out by vehicle-mounted radio in setpoint frequency section.
Preferably, the audio signal includes：Selected audio file, driving operation data, the vehicle obtained from network
Voice-frequency telephony, Voice Navigation information between master.
Preferably, the method further includes：
Receive speech play control instruction；
It is described to play out the FM signal in setpoint frequency section by vehicle-mounted radio, including：
According to the speech play control instruction, control the FM signal by vehicle-mounted radio setpoint frequency section into
Row plays.
Preferably, the method further includes：
Playing speech on demand control instruction is received, the playing speech on demand control instruction is used to indicate institute's program request in specified radio
Audio is sent to specified car-mounted terminal；
The playing speech on demand control instruction is sent to specified radio, so that the specified radio chooses the sound of institute's program request
Frequently, and by the audio of institute's program request it is sent to the specified car-mounted terminal.
Preferably, the car-mounted terminal is connect with onboard diagnostic system OBD interfaces, and the method further includes：
Control obtains power supply from the OBD interfaces.
On the other hand, a kind of car-mounted terminal is provided, including：
Receiving unit obtains request for receiving onboard audio；
Acquiring unit, for obtaining requested audio signal；
Converting unit, for the audio signal to be converted to FM signal；
Broadcast unit, for playing out the FM signal in setpoint frequency section by vehicle-mounted radio.
Preferably, the audio signal includes：Selected audio file, driving operation data, the vehicle obtained from network
Voice-frequency telephony, Voice Navigation information between master.
Preferably, the receiving unit is additionally operable to receive speech play control instruction；
The broadcast unit is specifically used for：
According to the speech play control instruction, control the FM signal by vehicle-mounted radio setpoint frequency section into
Row plays.
Preferably, the receiving unit is additionally operable to receive playing speech on demand control instruction, and the playing speech on demand control instruction is used
The audio of institute's program request is sent to specified car-mounted terminal in specified radio in instruction；
The car-mounted terminal further includes：
Transmission unit, for the playing speech on demand control instruction to be sent to specified radio, so that the specified radio selects
The audio of institute's program request is taken, and the audio of institute's program request is sent to the specified car-mounted terminal.
Preferably, the car-mounted terminal is connect with onboard diagnostic system OBD interfaces, and the car-mounted terminal further includes：
Power supply unit obtains power supply for controlling from the OBD interfaces.
As it can be seen that according to a kind of onboard audio playback method provided by the invention and car-mounted terminal, can voluntarily choose to be played
Audio, and convert the audio into as FM signal, it is unified to be played back in setpoint frequency section by vehicle-mounted radio, without quilt
The program of radio is played dynamicly, and there is better result of broadcast compared to other mobile terminals.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of onboard audio playback method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of another onboard audio playback method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of car-mounted terminal provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another car-mounted terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Current car is fitted with vehicle-mounted radio, and still, user can only passively listen to the broadcast of radio at present
Program, and other audio signals are all mainly played back by mobile terminal of user etc., result of broadcast is not fine, and is deposited
In larger driving hidden danger.A car-mounted terminal is arranged in the present invention, which is connected with vehicle-mounted radio.The present invention provides one
Kind of onboard audio playback method and car-mounted terminal, user can voluntarily choose audio to be played on car-mounted terminal, and by audio
FM signal is converted to, it is unified to be played back in setpoint frequency section by vehicle-mounted radio, without passively playing radio
The program of broadcast, and there is better result of broadcast compared to other mobile terminals.
With reference to Fig. 1-Fig. 2, onboard audio playback method provided in an embodiment of the present invention is described in detail：
Referring to Fig. 1, being a kind of flow diagram of onboard audio playback method provided in an embodiment of the present invention, this method
Include the following steps：
Step S101 receives onboard audio and obtains request.
Multiple application programs (English is installed on the car-mounted terminal that the present embodiment is related to：Application, referred to as：
APP), for example, music player, auto navigation software, driving recording software, call software etc., user can click APP, choosing
The audio to be obtained is taken, for example, clicking music player, selects music to be played wherein, or click auto navigation
Software, setting starting and terminal, obtain the traffic route of recommendation, Voice Navigation or click to dial software when waiting for driving, choosing
Contact person is selected, waiting is conversed with selected contact person.
Step S102 obtains requested audio signal.
The car-mounted terminal can connect internet and mobile network, and the acquisition request for music of music player is passed through interconnection
Net is sent to server, music to be played is obtained from server, or the call request for software of conversing is sent to base station, with
Contact person establishes call etc..The audio signal includes：Selected audio file, driving operation data, the vehicle obtained from network
Voice-frequency telephony, Voice Navigation information etc. between master.
The audio signal is converted to FM signal by step S103.
The audio signal of acquisition is generally digital signal, needs by frequency modulation(PFM) (English：Frequency
Modulation, referred to as：FM), it is modulated into the FM signal that can be played by vehicle-mounted radio.
Step S104 plays out the FM signal by vehicle-mounted radio in setpoint frequency section.
By audio signal by frequency modulation(PFM) at FM signal after, can be played back by vehicle-mounted radio, but should
FM signal is typically limited to only user acquisition, therefore, can broadcast the FM signal in setpoint frequency section.
A kind of onboard audio playback method provided according to embodiments of the present invention, user can voluntarily choose sound to be played
Frequently, it and converts the audio into as FM signal, it is unified to be played back in setpoint frequency section by vehicle-mounted radio, it is not necessarily to passively
The program of radio is played, and there is better result of broadcast compared to other mobile terminals.
Referring to Fig. 2, for the flow diagram of another onboard audio playback method provided in an embodiment of the present invention, the party
Method includes the following steps：
Step S201, control obtain power supply from onboard diagnostic system OBD interfaces.
Onboard diagnostic system (English is generally fitted on automobile：On-Board Diagnostic, referred to as：OBD), this
System monitors the operation conditions of engine and the working condition of exhaust gas aftertreatment system at any time, and there are one interfaces for OBD tools, can lead to
It crosses the interface and obtains the operation conditions of engine and the working condition of exhaust gas aftertreatment system, the car-mounted terminal of the present embodiment at any time
Also relatively stable power supply can be obtained from the OBD interfaces.
Step S202 receives onboard audio and obtains request.
Step S203 obtains requested audio signal.
The audio signal is converted to FM signal by step S204.
Step S202-S204 is identical as the step S101-S103 of embodiment illustrated in fig. 1, and details are not described herein.
Step S205 receives speech play control instruction.
The present embodiment also can receive the remote controler of car-mounted terminal or the speech play control instruction of mobile terminal, the remote controler
Or mobile terminal is wirelessly connected with car-mounted terminal by technologies such as bluetooths or Wi-Fi, remote controler or mobile terminal will receive
To speech play control signal be converted to digital signal, be sent to car-mounted terminal.The speech play control instruction is used to indicate
The FM signal that control is currently just playing on radio.
Step S206 controls the FM signal and is being set by vehicle-mounted radio according to the speech play control instruction
Determine frequency band to play out.
The FM signal currently just played on radio can be carried out according to the speech play control instruction received
Control, such as pause, broadcasting, advance, retrogressing etc..
Step S207, receives playing speech on demand control instruction, and the playing speech on demand control instruction is used to indicate in specified radio
The audio of institute's program request is sent to specified car-mounted terminal.
The playing speech on demand control instruction is sent to specified radio by step S208, so that the specified radio chooses institute
The audio of program request, and the audio of institute's program request is sent to the specified car-mounted terminal.
The car-mounted terminal of the present embodiment can also receive playing speech on demand control instruction, the voice from remote controler or mobile terminal
Program request control instruction can be transmitted to specified radio station, for example, the instruction is " the first song of friend's car owner program request one for being 4087 to number
Bent ' lustily water ' ", after specified radio receives the instruction, chooses the song, and mixes the language of main broadcaster " your number is 4012
Friend be your one song of program request ' lustily water ' ", which passes through setpoint frequency section by the language of the main broadcaster and song
It sends out, the car owner that number is 4087 can pass through the song of radio its friend's program request of uppick on the frequency band.Certainly,
The specified car-mounted terminal can also be this car-mounted terminal.
In addition, other than requesting song, the audio contents such as cross-talk or storytelling or English teaching can also be put.
A kind of onboard audio playback method provided according to embodiments of the present invention, user can voluntarily choose sound to be played
Frequently, it and converts the audio into as FM signal, it is unified to be played back in setpoint frequency section by vehicle-mounted radio, it is not necessarily to passively
The program of radio is played, and there is better result of broadcast compared to other mobile terminals；By OBD interfaces, can obtain
Relatively stable power supply；And the broadcasting of voice control audio can be passed through；And playing speech on demand can be carried out in specified radio, by the sound of program request
Frequency program is sent to specified car-mounted terminal by specified radio, improves user experience.
With reference to Fig. 3-Fig. 4, to the vehicle-mounted end provided in an embodiment of the present invention for realizing aforementioned onboard audio playback method
End is described in detail：
Referring to Fig. 3, being a kind of structural schematic diagram of car-mounted terminal provided in an embodiment of the present invention, the car-mounted terminal 1000
It is connect with OBD interfaces 1001, vehicle-mounted radio 10002, which includes：
Receiving unit 11 obtains request for receiving onboard audio.
Multiple application programs (English is installed on the car-mounted terminal that the present embodiment is related to：Application, referred to as：
APP), for example, music player, auto navigation software, driving recording software, call software etc., user can click APP, choosing
The audio to be obtained is taken, for example, clicking music player, selects music to be played wherein, or click auto navigation
Software, setting starting and terminal, obtain the traffic route of recommendation, Voice Navigation or click to dial software when waiting for driving, choosing
Contact person is selected, waiting is conversed with selected contact person.Receiving unit 11 receives onboard audio and obtains request.
Acquiring unit 12, for obtaining requested audio signal.
The car-mounted terminal can connect internet and mobile network, and acquiring unit 12 asks the acquisition music of music player
It asks and server is sent to by internet, music to be played is obtained from server, or the call request for software of conversing is sent out
Base station is given, call etc. is established with contact person.The audio signal includes：Selected audio file, driving from network acquisition
Voice-frequency telephony, Voice Navigation information etc. between operation data, car owner.
Converting unit 13, for the audio signal to be converted to FM signal.
The audio signal of acquisition is generally digital signal, and converting unit 13 is needed by frequency modulation(PFM) (English：
Frequency Modulation, referred to as：FM), by modulates audio signals at the FM signal that can be played by vehicle-mounted radio.
Broadcast unit 14, for playing out the FM signal in setpoint frequency section by vehicle-mounted radio.
Converting unit 13 by audio signal by frequency modulation(PFM) at FM signal after, broadcast unit 14 can pass through vehicle-mounted receipts
Sound machine sowing is released, but the FM signal is typically limited to only user acquisition, therefore, can broadcast the frequency modulation in setpoint frequency section
Signal.
A kind of car-mounted terminal provided according to embodiments of the present invention, user can voluntarily choose audio to be played, and by sound
Frequency is converted to FM signal, unified to be played back in setpoint frequency section by vehicle-mounted radio, without passively playing radio reception
The program of machine broadcast, and there is better result of broadcast compared to other mobile terminals.
Referring to Fig. 4, for the structural schematic diagram of another car-mounted terminal provided in an embodiment of the present invention, the car-mounted terminal
2000 include：
Power supply unit 21 obtains power supply for controlling from onboard diagnostic system OBD interfaces.
Onboard diagnostic system (English is generally fitted on automobile：On-Board Diagnostic, referred to as：OBD), this
System monitors the operation conditions of engine and the working condition of exhaust gas aftertreatment system at any time, and there are one interfaces for OBD tools, can lead to
It crosses the interface and obtains the operation conditions of engine and the working condition of exhaust gas aftertreatment system, the car-mounted terminal of the present embodiment at any time
Also relatively stable power supply can be obtained from the OBD interfaces.
Receiving unit 22 obtains request for receiving onboard audio.
Acquiring unit 23, for obtaining requested audio signal.
Converting unit 24, for the audio signal to be converted to FM signal.
Receiving unit 22, acquiring unit 23, the function of converting unit 24 respectively with the receiving unit of embodiment illustrated in fig. 4
11, acquiring unit 12, converting unit 13 are identical, and details are not described herein.
The receiving unit 22 is additionally operable to receive speech play control instruction.
The speech play control that the present embodiment receiving unit 22 also can receive the remote controler or mobile terminal of car-mounted terminal refers to
It enables, the remote controler or mobile terminal are wirelessly connected with car-mounted terminal by technologies such as bluetooths or Wi-Fi, remote controler or movement
The speech play received control signal is converted to digital signal by terminal, is sent to car-mounted terminal.Speech play control refers to
It enables and is used to indicate the FM signal that control is currently just playing on radio.
Broadcast unit 25, for according to the speech play control instruction, controlling the FM signal and passing through vehicle-mounted radio
Machine is played out in setpoint frequency section.
Broadcast unit 25 can be according to the speech play control instruction received, to the tune currently just played on radio
Frequency signal is controlled, such as pause, broadcasting, advance, retrogressing etc..
The receiving unit 22 is additionally operable to receive playing speech on demand control instruction, and the playing speech on demand control instruction is used to indicate
The audio of institute's program request is sent to specified car-mounted terminal in specified radio.
Transmission unit 26, for the playing speech on demand control instruction to be sent to specified radio, so that the specified radio
The audio of institute's program request is chosen, and the audio of institute's program request is sent to the specified car-mounted terminal.
The present embodiment receiving unit 22 can also receive playing speech on demand control instruction, the voice from remote controler or mobile terminal
Program request control instruction can be transmitted to specified radio station, for example, the instruction is " the first song of friend's car owner program request one for being 4087 to number
Bent ' lustily water ' ", after specified radio receives the instruction, chooses the song, and mixes the language of main broadcaster " your number is 4012
Friend be your one song of program request ' lustily water ' ", which passes through setpoint frequency section by the language of the main broadcaster and song
It sends out, the car owner that number is 4087 can pass through the song of radio its friend's program request of uppick on the frequency band.Certainly,
The specified car-mounted terminal can also be this car-mounted terminal.
In addition, other than requesting song, the audio contents such as cross-talk or storytelling or English teaching can also be put.
A kind of car-mounted terminal provided according to embodiments of the present invention, user can voluntarily choose audio to be played, and by sound
Frequency is converted to FM signal, unified to be played back in setpoint frequency section by vehicle-mounted radio, without passively playing radio reception
The program of machine broadcast, and there is better result of broadcast compared to other mobile terminals；By OBD interfaces, relatively stabilization can be obtained
Power supply；And the broadcasting of voice control audio can be passed through；And playing speech on demand can be carried out in specified radio, the audio program of program request is led to
It crosses specified radio and is sent to specified car-mounted terminal, improve user experience.
It should be noted that for each method embodiment above-mentioned, for simple description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because
According to the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with
It is realized with hardware realization or firmware realization or combination thereof mode.It when implemented in software, can be by above-mentioned function
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code be transmitted.Meter
Calculation machine readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of a place transmission computer program.Storage medium can be any usable medium that computer can access.With
For this but it is not limited to：Computer-readable medium may include random access memory (Random Access Memory,
RAM), read-only memory (Read-Only Memory, ROM), Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in
Carry or storage with instruction or data structure form desired program code and can by computer access any other
Medium.In addition.Any connection appropriate can become computer-readable medium.For example, if software is using coaxial cable, light
Fine optical cable, twisted-pair feeder, Digital Subscriber Line (Digital Subscriber Line, DSL) or such as infrared ray, radio and
The wireless technology of microwave etc is transmitted from website, server or other remote sources, then coaxial cable, optical fiber cable, double
The wireless technology of twisted wire, DSL or such as infrared ray, wireless and microwave etc is included in the fixing of affiliated medium.Such as this hair
Used in bright, disk (Disk) and dish (disc) include compress optical disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD),
Floppy disk and Blu-ray Disc, the usually magnetic replicate data of which disk, and dish is then with laser come optical replicate data.Group above
Conjunction should also be as being included within the protection domain of computer-readable medium.
In short, the foregoing is merely the preferred embodiment of technical solution of the present invention, it is not intended to limit the present invention's
Protection domain.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in
Within protection scope of the present invention.
Claims (6)
1. a kind of onboard audio playback method, which is characterized in that the method includes：
It receives onboard audio and obtains request；
Requested audio signal is obtained, the audio signal includes：The selected audio file obtained from network, fortune of driving a vehicle
Voice-frequency telephony, Voice Navigation information between row data, car owner；
The audio signal is converted into FM signal；
The FM signal is played out by vehicle-mounted radio in setpoint frequency section, the FM signal is only limitted to car owner and obtains
It takes；
Playing speech on demand control instruction is received, the playing speech on demand control instruction is used to indicate the audio of institute's program request in specified radio
It is sent to specified car-mounted terminal；
The playing speech on demand control instruction is sent to specified radio, so that the specified radio chooses the audio of institute's program request, and
The audio of institute's program request is sent to the specified car-mounted terminal.
2. the method as described in claim 1, which is characterized in that the method further includes：
Receive speech play control instruction；
It is described to play out the FM signal in setpoint frequency section by vehicle-mounted radio, including：
According to the speech play control instruction, controls the FM signal and broadcast in setpoint frequency section by vehicle-mounted radio
It puts.
3. the method as described in claim 1-2 any one, which is characterized in that the car-mounted terminal and onboard diagnostic system
OBD interfaces connect, and the method further includes：
Control obtains power supply from the OBD interfaces.
4. a kind of car-mounted terminal, which is characterized in that including：
Receiving unit obtains request for receiving onboard audio；
Acquiring unit, for obtaining requested audio signal, the audio signal includes：The selected sound obtained from network
Voice-frequency telephony, Voice Navigation information between frequency file, driving operation data, car owner；
Converting unit, for the audio signal to be converted to FM signal；
Broadcast unit, for the FM signal to be played out by vehicle-mounted radio in setpoint frequency section, the frequency modulation letter
Number it is only limitted to car owner's acquisition；
The receiving unit is additionally operable to receive playing speech on demand control instruction, and the playing speech on demand control instruction is used to indicate specified
The audio of institute's program request is sent to specified car-mounted terminal by radio station；
Transmission unit, for the playing speech on demand control instruction to be sent to specified radio, so that the specified radio chooses institute
The audio of program request, and the audio of institute's program request is sent to the specified car-mounted terminal.
5. car-mounted terminal as claimed in claim 4, it is characterised in that：
The receiving unit is additionally operable to receive speech play control instruction；
The broadcast unit is specifically used for：
According to the speech play control instruction, controls the FM signal and broadcast in setpoint frequency section by vehicle-mounted radio
It puts.
6. the car-mounted terminal as described in claim 4-5 any one, which is characterized in that the car-mounted terminal and onboard diagnostics system
OBD interfaces of uniting connect, and the car-mounted terminal further includes：
Power supply unit obtains power supply for controlling from the OBD interfaces.
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| CN201510357798.XA CN105047211B (en) | 2015-06-25 | 2015-06-25 | A kind of onboard audio playback method and car-mounted terminal |
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| CN201510357798.XA CN105047211B (en) | 2015-06-25 | 2015-06-25 | A kind of onboard audio playback method and car-mounted terminal |
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| CN107195309B (en) * | 2017-07-27 | 2020-06-30 | 成都上生活网络科技有限公司 | Intelligent vehicle-mounted terminal and power-saving and flow-saving method thereof |
| CN109688553A (en) * | 2018-12-18 | 2019-04-26 | 中国传媒大学 | Based on WiFi data push and the received DRM broadcast receiver system of mobile phone terminal |
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| CN202917171U (en) * | 2012-10-12 | 2013-05-01 | 上海航盛实业有限公司 | Vehicle wireless audio receiving and playing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4301538B2 (en) * | 2001-12-06 | 2009-07-22 | パイオニア株式会社 | Electronic device control system and control method thereof |
| CN2870311Y (en) * | 2006-03-10 | 2007-02-14 | 严十周 | Wireless connected MP3 vehicle-carried sound apparatus |
| CN102419999A (en) * | 2011-09-30 | 2012-04-18 | 惠州市德赛西威汽车电子有限公司 | Multi-media system of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201177970Y (en) * | 2007-11-23 | 2009-01-07 | 厉天福 | Vehicle-mounted multimedia audio and video apparatus |
| CN102114815A (en) * | 2009-12-31 | 2011-07-06 | 上海博泰悦臻电子设备制造有限公司 | Vehicle-mounted equipment service platform and communication method thereof |
| CN202917171U (en) * | 2012-10-12 | 2013-05-01 | 上海航盛实业有限公司 | Vehicle wireless audio receiving and playing device |
| CN104270442A (en) * | 2014-09-29 | 2015-01-07 | 谢小娟 | Vehicle-mounted audio playing method, vehicle-mounted control terminal and system |
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