CN103123797A - Vehicular audio playing system and vehicular audio playing method - Google Patents

Vehicular audio playing system and vehicular audio playing method Download PDF

Info

Publication number
CN103123797A
CN103123797A CN2011103720621A CN201110372062A CN103123797A CN 103123797 A CN103123797 A CN 103123797A CN 2011103720621 A CN2011103720621 A CN 2011103720621A CN 201110372062 A CN201110372062 A CN 201110372062A CN 103123797 A CN103123797 A CN 103123797A
Authority
CN
China
Prior art keywords
application program
volume value
grade channel
volume
voice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011103720621A
Other languages
Chinese (zh)
Other versions
CN103123797B (en
Inventor
吴哲
张庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Motor Corp
Original Assignee
Shanghai Pateo Network Technology Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Pateo Network Technology Service Co Ltd filed Critical Shanghai Pateo Network Technology Service Co Ltd
Priority to CN201110372062.1A priority Critical patent/CN103123797B/en
Publication of CN103123797A publication Critical patent/CN103123797A/en
Application granted granted Critical
Publication of CN103123797B publication Critical patent/CN103123797B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

Disclosed are a vehicular audio playing system and a vehicular audio playing method. The system comprises an operation panel, a control module, a sound volume storage, a plurality of audio channels and an adjusting module, wherein the operation panel is used for acquiring a request instruction of a user, the control module is used for receiving the request instruction transmitted by the user through the operation panel and outputting command signals to drive the corresponding audio channels, the sound volume storage is used for storing sound volume values of the audio channels, the audio channels respond to the command signals of the control module, load corresponding preset sound volume values from the sound volume storage and output audio signals to a loudspeaker, and the adjusting module is used for acquiring state information of a current application program from the control module, and adjusting the sound volume values of the audio channels corresponding to main application programs in the sound volume storage, so that the sound volume values of the audio channels corresponding to the main application programs conform to preset sound volume values of the audio channels corresponding to switched auxiliary application programs. Continuous audio playing sound is ensured when different application programs are switched for the vehicular audio playing system.

Description

A kind of Vehicular audio playing system and method
Technical field
The present invention relates to audio frequency play-back technology field, relate in particular to a kind of Vehicular audio playing system and method.
Background technology
At present, vehicle-mounted audio device possesses various tone sources equipment, and such as music player, navigating instrument, radio and intercom etc., the occupant starts corresponding audiogenic device, the sound that output is wanted by corresponding button on the touch operation panel.For audio frequency broadcast system inside, different audiogenic devices is controlled by different application programs, and the voice-grade channel output audio signal by correspondence is to loudspeaker.
The user can open various tone sources equipment simultaneously, and the situation that multiple application program is moved simultaneously will appear in audio frequency broadcast system.Usually, system is made as primary application program with the application program that the user commonly uses, and primary application program can be one or several, and other application programs are made as auxiliary application program.
But there is following shortcoming in prior art: in the situation that primary application program and auxiliary application program are moved simultaneously, when primary application program constant, when switching between the different auxiliary application program, can't realize in full accordly due to hardware circuit, audio frequency can occur and play abnormal phenomenon.Such as, Navigator is primary application program, and music program and radio program are auxiliary application programs, and when music program and Navigator moved simultaneously, audio frequency was play normal; When music program switched to the radio program, when namely switching to radio program and Navigator and moving simultaneously, loudspeaker first large two sound recover normal again.For another example, the intercom program is primary application program, and when music program and intercom program were moved simultaneously, audio frequency was play normal; When music program switched to the radio program, when namely switching to radio program and intercom program and moving simultaneously, loudspeaker also can recover normal by first large two sound again.
Summary of the invention
The problem that the present invention solves is to provide a kind of Vehicular audio playing system, when Vehicular audio playing system is switched between different application, guarantees that the sound of audio frequency broadcast is continuous.
For addressing the above problem, the invention provides a kind of Vehicular audio playing system, comprising: guidance panel, operation interface is provided, obtain user's request instruction; Control module receives the request instruction that the user sends by guidance panel, and output command signal drives corresponding voice-grade channel, and upgrades the status information of current application program according to the described request instruction; The volume storer, the volume value of a plurality of voice-grade channels of storage; A plurality of voice-grade channels, the command signal of response module loads corresponding default volume value from the volume storer, and output audio signal is to loudspeaker; Adjusting module, obtain the status information of current application program from control module, when primary application program constant, when auxiliary application program switches, adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer, the default volume value of the corresponding voice-grade channel of auxiliary application program after the volume value that makes the corresponding voice-grade channel of primary application program and switching is consistent.
Alternatively, a series of volume values of adjusting module storage primary application program, each volume value are effects when moving simultaneously according to primary application program and each auxiliary application program and default.
Alternatively, adjusting module is loaded into the volume storer with the volume value of primary application program corresponding with switching rear auxiliary application program in the volume value of storing, to adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer.
Alternatively, adjusting module comprises updating block and storage unit; A series of volume values of storage primary application program in described storage unit, each volume value are effects when moving simultaneously according to primary application program and different auxiliary application program and default; Described updating block is after obtaining the status information of current application program, search obtains the volume value of the primary application program corresponding with the auxiliary application program after switching from described storage unit, and be loaded in the volume storer, to adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer.
Alternatively, be connected by audio signal wire between each voice-grade channel and described loudspeaker, connect by electronic switch between audio signal wire corresponding to each voice-grade channel, when the auxiliary application program after described primary application program and switching is moved simultaneously, electronic switch closes between the audio signal wire of both correspondences is to be communicated with described audio signal wire.
Alternatively, electronic switch and described control module couple, and are controlled by described control module.
Alternatively, guidance panel comprises liquid crystal touch screen, microphone and sound identification module.
Alternatively, control module and adjusting module integrate.
The present invention also provides a kind of onboard audio player method, comprising: drive corresponding voice-grade channel according to the user by the request instruction that guidance panel sends; Obtain the status information of current application program, when primary application program constant, when auxiliary application program switches, with the volume value of the corresponding voice-grade channel of primary application program be adjusted into switch after the volume value preset of the corresponding voice-grade channel of auxiliary application program be consistent; Described voice-grade channel output audio signal exports to loudspeaker the sound that the user needs.
Alternatively, before carrying out the onboard audio broadcast, the effect when moving simultaneously according to primary application program and each auxiliary application program is the volume value of default primary application program respectively.
Compared with prior art, the present invention has the following advantages: when audio frequency broadcast system switches between different application, adjust the volume value of primary application program in the volume storer, the volume value that makes the corresponding voice-grade channel of primary application program with switch after the volume value of the corresponding voice-grade channel of auxiliary application program be consistent, it is continuous that application program is switched the sound that the front and back loudspeaker exports.Thereby, avoided the audio frequency that hardware state difference corresponding to different application causes to play abnormal.
Description of drawings
Fig. 1 is the schematic diagram of Vehicular audio playing system of the present invention.
Fig. 2 (a) is a schematic diagram of the voice-grade channel of Vehicular audio playing system of the present invention.
Fig. 2 (b) is another schematic diagram of the voice-grade channel of Vehicular audio playing system of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth in the following description a lot of details so that fully understand the present invention, implement but the present invention can also adopt other to be different from alternate manner described here, so the present invention has not been subjected to the restriction of following public specific embodiment.
Just as described in the background section, in the situation that primary application program and auxiliary application program move simultaneously, when primary application program constant, when switching between the different auxiliary application program, can't realize in full accordly due to hardware circuit, audio frequency can occur and play abnormal phenomenon.
For defects, the invention provides a kind of Vehicular audio playing system and method, when audio frequency broadcast system switches between different application, adjust the volume value of primary application program in the volume storer, the volume value that makes the corresponding voice-grade channel of primary application program with switch after the volume value of the corresponding voice-grade channel of auxiliary application program be consistent, it is continuous that application program is switched the sound that the front and back loudspeaker exports.
Be elaborated below in conjunction with accompanying drawing.
As shown in Figure 1, the present embodiment provides a kind of Vehicular audio playing system, comprising: guidance panel 101, operation interface is provided, and obtain user's request instruction; Control module 102 receives the request instruction that the user sends by operation interface, and output command signal drives corresponding voice-grade channel 103, and upgrades the status information of current application program according to the described request instruction; Volume storer 106, the volume value of storing audio path 10 3; Voice-grade channel 103, the command signal of response module 102 loads corresponding default volume value from volume storer 106, and output audio signal is to loudspeaker 104; Adjusting module 105, obtain the status information of current application program from control module 102, when primary application program constant, when auxiliary application program switches, adjust the volume value of the corresponding voice-grade channel of primary application program in volume storer 106, the default volume value of the corresponding voice-grade channel of auxiliary application program after the volume value that makes the corresponding voice-grade channel of primary application program and switching is consistent.
The user carries out button operation by the operation interface on guidance panel 101, sends request instruction by guidance panel 101 to control module 102.
Control module 102 comprises a status register, and described status register is used for the status information of storage current application program.After the request instruction that receives guidance panel 101 transmissions, upgrade the status information of current application program, according to application program corresponding to request instruction operation, to voice-grade channel 103 transmission command signals, drive corresponding voice-grade channel simultaneously.
Voice-grade channel 103 comprise voice-grade channel 1, voice-grade channel 2 ..., voice-grade channel N, described N is the positive integer greater than 1.The quantity of voice-grade channel can increase according to user's needs or reduce.When voice-grade channel 103 was driven, voice-grade channel 103 loaded corresponding volume value from volume storer 106, and output audio signal exports by loudspeaker 104 sound that users need to loudspeaker 104.
Stored the volume value of each voice-grade channel in volume storer 106, the volume value of the corresponding voice-grade channel of auxiliary application program can be default value, and the volume value of the corresponding voice-grade channel of primary application program will be adjusted according to auxiliary application program.
Adjusting module 105 can comprise a updating block and a storage unit.A series of volume values of storage primary application program in storage unit, each volume value are effects when moving simultaneously according to primary application program and different auxiliary application program and default; Updating block is after obtaining the status information of current application program from control module 102, search obtains the volume value of the primary application program corresponding with the auxiliary application program after switching from storage unit, and be loaded in volume storer 106, to adjust the volume value of the corresponding voice-grade channel of primary application program in volume storer 106.
Voice-grade channel 103 is connected by audio signal wire with 104 of loudspeakers, connect by electronic switch between audio signal wire corresponding to each voice-grade channel, the control terminal of electronic switch and control module 102 couple, and the controlled module 102 of the turn-on and turn-off of electronic switch is controlled.When primary application program and auxiliary application program are moved simultaneously, electronic switch closes between the audio signal wire of control module 102 both correspondences of control, to be communicated with two audio signal wires, two voice-grade channels pass through an audio signal wire output audio signal to loudspeaker 104.
As shown in Fig. 2 (a), the corresponding primary application program 1 of voice-grade channel 1, the corresponding auxiliary application program 2 of voice-grade channel 2, when primary application program 1 and auxiliary application program 2 are moved simultaneously, the audio signal wire of voice-grade channel 1 is connected on the audio signal wire of voice-grade channel 2, and the audio signal wire transmission of audio signal by voice-grade channel 2 is to loudspeaker 104.
When primary application program 1 constant, when auxiliary application program 2 switches to auxiliary application program 3, as shown in Fig. 2 (b), the audio signal wire disconnection of voice-grade channel 1 is connected with the audio signal wire of voice-grade channel 2, and be connected on the audio signal wire of voice-grade channel 3, the audio signal wire transmission of audio signal by voice-grade channel 3 is to loudspeaker 104.
According to one embodiment of present invention, Navigator is primary application program, and music program and radio program are auxiliary application programs.When music program and Navigator move simultaneously, if the user switches to the radio program with music program, be that radio program and Navigator move simultaneously, control module 102 receives the request instruction of guidance panel 101, status information in the update mode storer, what record current operation is radio program and Navigator, drive simultaneously radio passage and navigation passage in voice-grade channel 103, control the electronic switch closes between the audio signal wire of both correspondences, to be communicated with two audio signal wires.Updating block in adjusting module 105 is after obtaining the status information of current application program from control module 102, search obtains the volume value of the Navigator corresponding with the radio program from storage unit, and be loaded in volume storer 106, upgrade the volume value of navigation passage.Next, the radio passage loads the volume value of corresponding acquiescence from volume storer 106, the navigation passage loads new volume value from volume storer 106, the audio signal wire of navigation passage and the audio signal wire of radio passage link together, by sound signal alignment loudspeaker 104 output audio signals of radio passage, the radio of loudspeaker 104 outputs and the volume of navigation are consistent.
According to another embodiment of the invention, the intercom program is primary application program, and music program and DVD program are auxiliary application programs.When music program and intercom program are moved simultaneously, if the user switches to the DVD program with music program, be that DVD program and intercom program are moved simultaneously, control module 102 receives the request instruction of guidance panel 101, status information in the update mode storer, what record current operation is DVD program and intercom program, drive simultaneously DVD passage and intercom passage in voice-grade channel 103, control the electronic switch closes between the audio signal wire of both correspondences, to be communicated with two audio signal wires.Updating block in adjusting module 105 is after obtaining the status information of current application program from control module 102, search obtains the volume value of the intercom program corresponding with the DVD program from storage unit, and be loaded in volume storer 106, upgrade the volume value of intercom passage.Then, the DVD passage loads the volume value of corresponding acquiescence from volume storer 106, the intercom passage loads new volume value from volume storer 106, the audio signal wire of the audio signal wire of intercom passage and DVD passage links together, by sound signal alignment loudspeaker 104 output audio signals of DVD passage, the DVD of loudspeaker 104 outputs and the volume of intercom are consistent.
According to one embodiment of present invention, guidance panel 101 can comprise liquid crystal touch screen, sound identification module and microphone, the user both can operate by liquid crystal touch screen, also can pass through microphone, phonetic order is inputted sound identification module, and sound identification module sends request instruction to control module 102.Can improve like this user on the run security.
According to one embodiment of present invention, control module 102 and adjusting module 105 can be comprised of discrete element.
According to another embodiment of the invention, control module 102 and adjusting module 105 can be integrated in a circuit.
The present invention also provides a kind of corresponding onboard audio player method, comprises the following steps: the user sends request instruction by the operation interface of guidance panel; According to application program corresponding to request instruction operation, drive corresponding voice-grade channel, upgrade the current status information that runs application; According to the status information of current application program, when primary application program constant, when auxiliary application program switches, with the volume value of the corresponding voice-grade channel of primary application program be adjusted into switch after the volume value preset of the corresponding voice-grade channel of auxiliary application program be consistent; Voice-grade channel loads default volume value, and output audio signal exports to loudspeaker the sound that the user needs.
According to onboard audio player method of the present invention, before carrying out the onboard audio broadcast, the effect in the time of can moving simultaneously according to primary application program and each auxiliary application program is the volume value of default primary application program respectively.
Although the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with the claim limited range.

Claims (10)

1. a Vehicular audio playing system, is characterized in that, comprising:
Guidance panel provides operation interface, obtains user's request instruction;
Control module receives the request instruction that the user sends by guidance panel, and output command signal drives corresponding voice-grade channel, and upgrades the status information of current application program according to the described request instruction;
The volume storer, the volume value of a plurality of voice-grade channels of storage;
A plurality of voice-grade channels, the command signal of response module loads corresponding default volume value from the volume storer, and output audio signal is to loudspeaker;
Adjusting module, obtain the status information of current application program from control module, when primary application program constant, when auxiliary application program switches, adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer, the default volume value of the corresponding voice-grade channel of auxiliary application program after the volume value that makes the corresponding voice-grade channel of primary application program and switching is consistent.
2. Vehicular audio playing system as claimed in claim 1, is characterized in that, a series of volume values of described adjusting module storage primary application program, each volume value are effects when moving simultaneously according to primary application program and each auxiliary application program and default.
3. Vehicular audio playing system as claimed in claim 2, it is characterized in that, adjusting module is loaded into the volume storer with the volume value of primary application program corresponding with switching rear auxiliary application program in the volume value of storing, to adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer.
4. Vehicular audio playing system as claimed in claim 1, is characterized in that, described adjusting module comprises updating block and storage unit;
A series of volume values of storage primary application program in described storage unit, each volume value are effects when moving simultaneously according to primary application program and different auxiliary application program and default;
Described updating block is after obtaining the status information of current application program, search obtains the volume value of the primary application program corresponding with the auxiliary application program after switching from described storage unit, and be loaded in the volume storer, to adjust the volume value of the corresponding voice-grade channel of primary application program in the volume storer.
5. Vehicular audio playing system as claimed in claim 1, it is characterized in that, be connected by audio signal wire between each voice-grade channel and described loudspeaker, connect by electronic switch between audio signal wire corresponding to each voice-grade channel, when the auxiliary application program after described primary application program and switching is moved simultaneously, electronic switch closes between the audio signal wire of both correspondences is to be communicated with described audio signal wire.
6. Vehicular audio playing system as claimed in claim 5, is characterized in that, described electronic switch and described control module couple, and are controlled by described control module.
7. Vehicular audio playing system as claimed in claim 1, is characterized in that, described guidance panel comprises liquid crystal touch screen, microphone and sound identification module.
8. Vehicular audio playing system as claimed in claim 1, is characterized in that, described control module and adjusting module integrate.
9. an onboard audio player method, is characterized in that, comprising:
Drive corresponding voice-grade channel according to the user by the request instruction that guidance panel sends;
Obtain the status information of current application program, when primary application program constant, when auxiliary application program switches, with the volume value of the corresponding voice-grade channel of primary application program be adjusted into switch after the volume value preset of the corresponding voice-grade channel of auxiliary application program be consistent;
Described voice-grade channel output audio signal exports to loudspeaker the sound that the user needs.
10. onboard audio player method as claimed in claim 9, is characterized in that, before carrying out the onboard audio broadcast, the effect when moving simultaneously according to primary application program and each auxiliary application program is the volume value of default primary application program respectively.
CN201110372062.1A 2011-11-21 2011-11-21 Vehicular audio playing system and vehicular audio playing method Active CN103123797B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110372062.1A CN103123797B (en) 2011-11-21 2011-11-21 Vehicular audio playing system and vehicular audio playing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110372062.1A CN103123797B (en) 2011-11-21 2011-11-21 Vehicular audio playing system and vehicular audio playing method

Publications (2)

Publication Number Publication Date
CN103123797A true CN103123797A (en) 2013-05-29
CN103123797B CN103123797B (en) 2017-05-24

Family

ID=48454750

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110372062.1A Active CN103123797B (en) 2011-11-21 2011-11-21 Vehicular audio playing system and vehicular audio playing method

Country Status (1)

Country Link
CN (1) CN103123797B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103617803A (en) * 2013-11-08 2014-03-05 中标软件有限公司 Multi-sound-source automatic switching method and system on vehicle-mounted system
CN104113805A (en) * 2014-07-28 2014-10-22 瑞声光电科技(常州)有限公司 Loudspeaker system and driving method thereof
CN104980884A (en) * 2015-06-09 2015-10-14 联想(北京)有限公司 Information transmission method and information transmission device
CN106454507A (en) * 2016-11-30 2017-02-22 广州三星通信技术研究有限公司 Method and device for adjusting volume of electronic terminal
CN107886946A (en) * 2017-06-07 2018-04-06 深圳市北斗车载电子有限公司 For controlling the speech control system and method for vehicle mounted guidance volume
CN108472523A (en) * 2015-10-23 2018-08-31 斯科特科技公司 Communication equipment and method for configuring the communication equipment
CN110475180A (en) * 2019-08-23 2019-11-19 科大讯飞(苏州)科技有限公司 Vehicle multi-sound area audio processing system and method
CN113986189A (en) * 2021-10-27 2022-01-28 北京乐驾科技有限公司 Method and device for dynamically adjusting navigation volume of vehicle-mounted terminal
CN114598967A (en) * 2022-03-03 2022-06-07 合众新能源汽车有限公司 Audio policy management system, method, apparatus and computer readable medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1766866A (en) * 2004-08-27 2006-05-03 株式会社电装 Audio equipment control apparatus
CN2800428Y (en) * 2005-01-26 2006-07-26 菱科电子技术(中国)有限公司 Vehicle-mounted GPS navigation, recreation system
US20080165984A1 (en) * 2007-01-10 2008-07-10 Samsung Electronics Co., Ltd. Audio output system and method for information processing terminal
CN102117221A (en) * 2009-12-31 2011-07-06 上海博泰悦臻电子设备制造有限公司 Audio frequency application conflict management method and manager

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1766866A (en) * 2004-08-27 2006-05-03 株式会社电装 Audio equipment control apparatus
CN2800428Y (en) * 2005-01-26 2006-07-26 菱科电子技术(中国)有限公司 Vehicle-mounted GPS navigation, recreation system
US20080165984A1 (en) * 2007-01-10 2008-07-10 Samsung Electronics Co., Ltd. Audio output system and method for information processing terminal
CN102117221A (en) * 2009-12-31 2011-07-06 上海博泰悦臻电子设备制造有限公司 Audio frequency application conflict management method and manager

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103617803A (en) * 2013-11-08 2014-03-05 中标软件有限公司 Multi-sound-source automatic switching method and system on vehicle-mounted system
CN104113805A (en) * 2014-07-28 2014-10-22 瑞声光电科技(常州)有限公司 Loudspeaker system and driving method thereof
CN104980884A (en) * 2015-06-09 2015-10-14 联想(北京)有限公司 Information transmission method and information transmission device
CN108472523A (en) * 2015-10-23 2018-08-31 斯科特科技公司 Communication equipment and method for configuring the communication equipment
CN106454507A (en) * 2016-11-30 2017-02-22 广州三星通信技术研究有限公司 Method and device for adjusting volume of electronic terminal
CN106454507B (en) * 2016-11-30 2019-07-26 广州三星通信技术研究有限公司 Adjust the method and apparatus of the volume of electric terminal
CN107886946A (en) * 2017-06-07 2018-04-06 深圳市北斗车载电子有限公司 For controlling the speech control system and method for vehicle mounted guidance volume
CN110475180A (en) * 2019-08-23 2019-11-19 科大讯飞(苏州)科技有限公司 Vehicle multi-sound area audio processing system and method
CN113986189A (en) * 2021-10-27 2022-01-28 北京乐驾科技有限公司 Method and device for dynamically adjusting navigation volume of vehicle-mounted terminal
CN114598967A (en) * 2022-03-03 2022-06-07 合众新能源汽车有限公司 Audio policy management system, method, apparatus and computer readable medium

Also Published As

Publication number Publication date
CN103123797B (en) 2017-05-24

Similar Documents

Publication Publication Date Title
CN103123797A (en) Vehicular audio playing system and vehicular audio playing method
CN104023305B (en) A kind of mixing control method of Wince vehicle mounted multimedia and device
KR101792183B1 (en) Ear-Phone System For Portable Device
US6703940B1 (en) Transceiving remote controlling
CN103258548A (en) Audio playing device and its controlling method
CN105100879A (en) Vehicle-mounted device and device authentication method
CN111629304A (en) Loudspeaker control method and device and electronic equipment
CN104796642A (en) A dual-mode Bluetooth sound-box television system and a dual-mode Bluetooth audio playing control method thereof
CN110874203A (en) Screen sounding controller, method, device, terminal and storage medium
CN103501380A (en) Vehicle-mounted mobile phone interconnection transmission method and system thereof
US20060282861A1 (en) Audio/video expansion device and vehicular audio/video system using the same
CN104661144A (en) Function-extensible modular loudspeaker
CN203574727U (en) Vehicle-mounted cellphone interconnection transmission system
CN101549670B (en) Vehicle electronic equipment upgrade device, vehicle electric system and vehicle
CN101753903A (en) Method for displaying menu on electronic equipment and electronic equipment
CN201432631Y (en) Vehicular electronic device upgrading device, vehicular electronic system and automobile
CN101765526B (en) On-vehicle system, navigation device, and reproduction device
CN107682588B (en) Analog audio/video signal input/output switching system, method and signal measuring instrument
CN203596863U (en) Circuit and television reusing audio input and output terminals
CN103686015A (en) Volume adjustment method and system
US11375265B2 (en) Electronic apparatus and controlling method thereof
CN102656616B (en) For controlling the method and apparatus of electronic system
CN100571330C (en) Television set function menu help system
CN112449235A (en) Pairing method, pairing device and television terminal
CN103533407A (en) Audio/video access device, automobile entertainment system and implementation method of automobile entertainment system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200513

Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

Patentee after: DONGFENG MOTOR Corp.

Address before: 200233 Shanghai City, Xuhui District Zhongshan Road No. 1800 Mega global building 6 floor F2 block

Patentee before: SHANGHAI PATEO YUEZHEN NETWORKING TECHNOLOGY SERVICE Co.,Ltd.

TR01 Transfer of patent right