CN105575413A - Method for playing music of multimedia device in vehicle - Google Patents
Method for playing music of multimedia device in vehicle Download PDFInfo
- Publication number
- CN105575413A CN105575413A CN201510713206.3A CN201510713206A CN105575413A CN 105575413 A CN105575413 A CN 105575413A CN 201510713206 A CN201510713206 A CN 201510713206A CN 105575413 A CN105575413 A CN 105575413A
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- music
- playlist
- preference
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- multimedia device
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0211—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for record carriers apparatus, e.g. video recorders, tape players or CD players
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/638—Presentation of query results
- G06F16/639—Presentation of query results using playlists
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/686—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title or artist information, time, location or usage information, user ratings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/155—User input interfaces for electrophonic musical instruments
- G10H2220/351—Environmental parameters, e.g. temperature, ambient light, atmospheric pressure, humidity, used as input for musical purposes
- G10H2220/355—Geolocation input, i.e. control of musical parameters based on location or geographic position, e.g. provided by GPS, WiFi network location databases or mobile phone base station position databases
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
- G11B2020/00057—MPEG-1 or MPEG-2 audio layer III [MP3]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Library & Information Science (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
The invention relates to a method for playing music of a multimedia device in a vehicle, and the method comprises the steps that a control part generates a play list according to the database of the music preference degree information of a user under the condition of executing a random play function reflecting the preference degree; and the control part plays the music according to the play list. The method can judge the emotion or favorite of the user, and randomly plays the favorite music.
Description
Technical field
The present invention relates to the method for playing music of vehicle multimedia device, particularly relate to a kind of vehicle multimedia device and judge the mood of user or hobby and shuffle user can like the method for playing music of the vehicle multimedia device of the music of type.
Background technology
On-board multimedia device in the past (such as: audio-visual navigation (AudioVideoNavigation; AVN) device) usually play the music be stored in tape or CD (CD) medium, due to the music of mp3 file form can be play at present, therefore, it is possible to play the music being stored in external memory (such as: USB storage, SD storer etc.).
The MP3 music file of nearly hundreds of head can be stored in described external memory situation capacious.That is, the MP3 music storage of polytype (such as: song (trot), pop music (pop), folk rhyme, classical music (classic) etc. are drilled by dance music (dance), love song (ballad), Korea S) can will be categorized in a large number in an external memory.
As shown in Figure 1, when select random function in music process, from the hundreds of first MP3 music being stored in described external memory, Stochastic choice plays music, and therefore user can listen to the music and can not feel dull in driving procedure.
Wherein, described random (Shuffle) function refers to and upsets MP3 music order and the function play.
But because described random play features does not consider mood or the hobby of user at all, just merely select to play any first MP3 music from being stored in described external memory, if this music therefore play does not meet driver's hobby, driver needs directly to operate multimedia device to be replaced with other music or broadcasting and to store driver and like the CD of the music of type or clear-cut without random function.
That is, expensive multimedia device may be thought inconvenient by user or comprise the multimedia device of the music playback function without much use.
Background technology of the present invention is disclosed in No. 10-2005-0099651, KR published patent (on October 17th, 2005 is open, vehicle MP3 music file Play System).
Summary of the invention
Technical matters
For solving the problem, a kind of vehicle multimedia device is the object of the present invention is to provide to judge the mood of user or hobby and shuffle user likes the method for playing music of the vehicle multimedia device of the music of type.
Technical scheme
According to the method for playing music of the vehicle multimedia device of one aspect of the invention, it is the method that music play by vehicle multimedia device, it is characterized in that, comprise: when performing the random play features of reflection preference, control part generates the step of playlist according to the database of the music preferences degree information storing user; And described control part plays the step of music according to described playlist.
The invention is characterized in, also comprise before generating the step of described playlist: described control part detects about the music interest of user or the information of preference and generates the step of described database.
The invention is characterized in: the music preferences degree information of described user be from user adjust playlist tab sequential, input music process picture display preference key, in music process, operate that volume increases/reduces, more than at least one detect in accumulative broadcasting time and reproduction time and obtain.
The invention is characterized in: give different preference marks according to the high low degree of described preference information.
The invention is characterized in: described playlist is the preference mark that sets by the preference of user from high to low tactic, user selects any a piece of music with reprioritize from described playlist, change the preference mark of corresponding music adaptively according to the order of this change.
The invention is characterized in: play the step of music specifically according to described playlist, described control part is automatic adjustment height volume when the music that the music preferences degree playing user is high, automatically reduces volume and play when playing the low music of the preference of user.
The invention is characterized in: restrictively can set the minimal volume of the automatic range of adjustment of described volume and max volume scope and the described music of to be the music setup of upper preset range by the priority in playlist be automatic regulating volume.
The invention is characterized in: play the step of music specifically according to described playlist, described control part receives the quantity of the music that hope that user presets is play in described playlist, and the music of predetermined amount in playlist described in shuffle.
The invention is characterized in: generate the step of described playlist specifically, described control part can generate at least more than one playlist being set with difference preference's mark according to the running time of vehicle and route.
The invention is characterized in: at least more than one playlist described comprise the route that is applicable to go to work playlist, be applicable to next route playlist, be applicable at ordinary times and at least one in the playlist had nothing to do with route.
The invention is characterized in: described database purchase music preferences degree information, described music preferences degree information comprise singer, special edition, song title, source information, accumulative reproduction time, positional information, the consistent number of times of reproduction time and in the process of ad-hoc location or route same music the information of broadcasting time repeatedly in more than at least one.
The invention is characterized in: play the step of music specifically according to described playlist, described control part utilizes the Information locating current location detected by GPS module, obtain the route information of navigation module setting, and optionally play the high music of the preference mark that matches with present running route and position in described playlist.
Technique effect
The present invention relates to the method for playing music of vehicle multimedia device, vehicle multimedia device judges the mood of user or hobby and shuffle user can like the music of type, plays convenience therefore, it is possible to improve and can improve the satisfaction of user to multimedia device.
Accompanying drawing explanation
Fig. 1 shows the current example schematic comprising the music picture of the vehicle multimedia device of random play features;
Fig. 2 is the example schematic of the concise and to the point formation showing vehicle multimedia device according to an embodiment of the invention;
Fig. 3 is for analyzing the music preferences degree of user and the example schematic of an example of database that generates in the above-mentioned Fig. 2 of display;
Fig. 4 is the process flow diagram of the method for playing music that vehicle multimedia device is according to an embodiment of the invention described;
Fig. 5 is that the example schematic of the playlist picture of music play by vehicle multimedia device according to an embodiment of the invention;
Fig. 6 is the example schematic that display shows the music picture of the vehicle multimedia device of preference key according to an embodiment of the invention;
Fig. 7 illustrates that the example schematic of the method for the music matched with route play by vehicle multimedia device according to an embodiment of the invention.
Description of reference numerals
110: optical disk module 120:USB module
130: Bluetooth audio frequency module 140: radio broadcasting module
150:GPS module 160: sound source data management department
170:UI display part 180: audio output unit
190: loudspeaker
Embodiment
An embodiment of the method for playing music of vehicle multimedia device of the present invention is described referring to accompanying drawing.
In declarative procedure, amplify the thickness of line-dividing or the size of inscape in the middle part of display accompanying drawing for guaranteeing definition and convenience.In addition, following term is the term according to function definition in the present invention, the difference to some extent according to different users, the fortune object of user or convention.Therefore these defined terms should be as the criterion with instructions content in full.
Fig. 2 is the example schematic of the concise and to the point formation showing vehicle multimedia device according to an embodiment of the invention.
As shown in Figure 2, the vehicle multimedia device of the present embodiment comprises CD (DISC) module 110, USB module 120, Bluetooth audio frequency module 130, radio broadcasting module 140, GPS module 150, sound source data management department 160, user interface (UserInterface; UI) display part 170, audio output unit 180 and loudspeaker 190.
Described optical disk module 110 reading is stored in the data (such as: music) of CD and plays, and described USB module 120 reads and is stored in USB (universal serial bus) (UniversalSerialBus; USB) external memory data and play, described Bluetooth audio frequency module 130 is received data from the device connected by bluetooth (such as: smart mobile phone) and plays, and described radio broadcasting module 140 receives the radio broadcasting signals such as AM, FM and plays.
Described GPS module (GlobalPositioningSystemmodule; Hereinafter referred to as ' GPS module ') 150 receive gps signals and be used for the current location of positioned vehicle.
Music related data (such as: music number of times, music cumulative time, current location, preference etc.) is collected by controlling described optical disk module 110, USB module 120, Bluetooth audio frequency module 130, radio broadcasting module 140 and GPS module 150 by described sound source data management department 160, according to the described data management music data collected, indicate according to user and play corresponding music.
Described sound source data management department 160 plays the function that music plays control part.
In the present embodiment, the music that described sound source data management department 160 couples of users often listen (namely, the music that preference is high) give weighted value and store (with reference to Fig. 3) in a database, generate according to user's instruction (such as: the music of instruction shuffle particular type) playlist be made up of the music that preference is high and also play.
Fig. 3 is for analyzing the music preferences degree of user and the example schematic of an example of database that generates in the above-mentioned Fig. 2 of display.
As shown in Figure 3, described database to comprise in singer, special edition, song title, source information (such as: the data of about five seconds components of current broadcasting sound source data), accumulative reproduction time, positional information, time consistency number of times and position consistency number of times (such as: the broadcasting time repeatedly of same music in the process of ad-hoc location or route) information more than at least one.
Referring again to Fig. 2, described user interface display part (hereinafter referred to as ' UI display part ') 170 shows the related data of music to be played according to the control of described sound source data management department 160, receive music related command from user, and in music process, receive user mood or music preferences degree relevant information (such as: regulate volume, key input, positional information etc.).
Such as, described UI display part 170 can process the output of music information and the input of music relevant information simultaneously.
Described audio output unit 180, according to the control of described sound source data management department 160, is converted selected music to simulating signal and is exported by loudspeaker 190.
Fig. 4 is the process flow diagram of the method for playing music that vehicle multimedia device is according to an embodiment of the invention described.
As shown in Figure 4, suppose that in step S101, sound source data management department 160 makes the vehicle multimedia device of the present embodiment be in music state.
Described sound source data management department 160 can generate the playlist for playing described music, also playlist can not be generated, but scanning (scan) is stored in the MP3 music file of storer (internal memory, external memory) and plays successively or shuffle.
The present embodiment omits about described simple shuffle or the explanation of playing successively, stresses the method for playing music playing music according to the hobby of the described user of reflection or the playlist of preference.
In step S102, the information of the music preferences degree about user detects in described music process in described sound source data management department 160.
The described information about music preferences degree can detect (such as: user adjusts tab sequential) from playlist, also can detect in music process (such as: select to operate volume in the preference key of picture display, music process and increase/reduce).The described information about music preferences degree can also detect in simple shuffle or played in order process.
In step S103, when the information about the music interest of user or preference as above being detected, described sound source data management department 160 generates the database of the music preferences degree for analyzing user.
When as above continue detect about preference information and generate database state perform reflection preference random play features (step S104 ' being '), in step S105, described sound source data management department 160 generates playlist (with reference to Fig. 5) according to the information (such as: the music preferences degree etc. of current location, current time, user) being stored in described database.
Fig. 5 is that the example schematic of playlist (Playlist) picture of music play by vehicle multimedia device according to an embodiment of the invention, can be displayed the play in any one mode in singer (artist), song title (Song), special edition (Album), other (Others) list, and according to the preference mark set by each music (that is, song title) by mark order arrangement from high to low.
User selects an any song (music) reprioritize from described playlist.As above during reprioritize respective songs preference mark according to this order corresponding change.
And, increase/reduce key (with reference to Fig. 6) in music picture display preference, during user's inputting preferences degree increase key (such as: ' good ' (Good) key), the preference (preference mark) of current played songs increases, and user's inputting preferences degree reduces key (such as: during ' bad ' (NotGood0 key), the preference (preference mark) of current played songs reduces.Now, preference mark can input number of times with key and increases further or reduce.
Further, driver is replaced with other music in music process, sense this reproduction time, and give different preference marks according to this reproduction time.Further, may continue to repeat to listen to same a piece of music, now this broadcasting time accumulative and total reproduction time give different preference marks.
Further, when heightening volume in music process, user increases the preference mark of this song, and when turning down volume in music process, user reduces the preference mark of this music.Described sound source data management department 160 can according to this principle in music shuffle process, automatic adjustment height volume when playing user preference degree high music, automatically turns down volume and play when playing the low music of user preference degree.
Now automatic for volume range of adjustment can be limited to that vehicle presets between max volume and minimal volume, and can to set the song that described volume is regulated automatically be the song put in order at upper preset range.
In step S106, described playlist is the reflection hobby of user and the playlist of preference, and described sound source data management department 160 plays music according to described playlist.
Now, driver need not listen to all songs (music) in described playlist, can set the upper broadcasting quantity of preference mark (such as: five first, ten head, 30 head etc.) and selectivity is listened to.That is, user can also reflection described user music preferences degree playlist in Stochastic choice music.
Further, user may be different in the music that each route or travel by vehicle is liked.
Such as, suppose to have the user Lu Shangwei that goes to work morning to guarantee that brain is regained consciousness, start vigorous one day and like listening to vigorous music (such as: dance music, group's music etc.), coming off duty evening, it is soft that road is listened to, the music of fatigue-relieving (such as: folk rhyme, love song etc.), in this case as shown in Figure 7, described sound source data management department 160 can utilize the Information locating current location detected by described GPS module 150, obtain the route information of navigation module (not shown) setting, and play the high music of the preference mark that matches with present running route and position.
The preference mark of above-mentioned playlist can be different because of situation.
Such as, be applicable to go to work route playlist song preference mark, be applicable to the playlist of next route music preferences mark, to be applicable at ordinary times and the song preference mark of the playlist had nothing to do with route can be different.
Now user plays music by the playlist distinguishing combination in multiple situation, therefore can not feel dull in driving process, and always feel listening to new music.
The present invention is illustrated with reference to embodiment shown in the drawings, but this only exemplarily, and general technical staff of the technical field of the invention should understand and can also do various deformation or obtain other equivalent embodiments.Therefore protection scope of the present invention is content described in technical scheme.
Claims (12)
1. a method for playing music for vehicle multimedia device, is the method that music play by vehicle multimedia device, it is characterized in that, comprising:
When performing the random play features of reflection preference, control part generates the step of playlist according to the database of the music preferences degree information storing user; And
Described control part plays the step of music according to described playlist.
2. the method for playing music of vehicle multimedia device according to claim 1, is characterized in that, also comprises before generating the step of described playlist:
Described control part detects about the music interest of user or the information of preference and generates the step of described database.
3. the method for playing music of vehicle multimedia device according to claim 2, is characterized in that:
The music preferences degree information of described user be from user adjust playlist tab sequential, input music process picture display preference key, in music process, operate that volume increases/reduces, more than at least one detect in accumulative broadcasting time and reproduction time and obtain.
4. the method for playing music of vehicle multimedia device according to claim 3, is characterized in that:
Different preference marks is given according to the high low degree of described preference information.
5. the method for playing music of vehicle multimedia device according to claim 1, is characterized in that:
Described playlist is the preference mark that sets by the preference of user from high to low tactic,
User selects any a piece of music with reprioritize from described playlist, change the preference mark of corresponding music adaptively according to the order of this change.
6. the method for playing music of vehicle multimedia device according to claim 1, is characterized in that:
Play the step of music specifically according to described playlist, described control part is automatic adjustment height volume when the music that the music preferences degree playing user is high, automatically reduces volume and play when playing the low music of the preference of user.
7. the method for playing music of vehicle multimedia device according to claim 6, is characterized in that:
Restrictively can set the minimal volume of the automatic range of adjustment of described volume and max volume scope and the described music of to be the music setup of upper preset range by the priority in playlist be automatic regulating volume.
8. the method for playing music of vehicle multimedia device according to claim 1, is characterized in that:
Play the step of music specifically according to described playlist, described control part receives the quantity of the music that hope that user presets is play in described playlist, and the music of predetermined amount in playlist described in shuffle.
9. the method for playing music of vehicle multimedia device according to claim 1, is characterized in that:
Generate the step of described playlist specifically, described control part can generate at least more than one playlist being set with difference preference's mark according to the running time of vehicle and route.
10. the method for playing music of vehicle multimedia device according to claim 9, is characterized in that:
At least more than one playlist described comprise the route that is applicable to go to work playlist, be applicable to next route playlist, be applicable at ordinary times and at least one in the playlist had nothing to do with route.
The method for playing music of 11. vehicle multimedia devices according to claim 1, is characterized in that:
Described database purchase music preferences degree information, described music preferences degree information comprise singer, special edition, song title, source information, accumulative reproduction time, positional information, the consistent number of times of reproduction time and in the process of ad-hoc location or route same music the information of broadcasting time repeatedly in more than at least one.
The method for playing music of 12. vehicle multimedia devices according to claim 1, is characterized in that:
The step of music is play specifically according to described playlist, described control part utilizes the Information locating current location detected by GPS module, obtain the route information of navigation module setting, and optionally play the high music of the preference mark that matches with present running route and position in described playlist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2014-0148493 | 2014-10-29 | ||
KR1020140148493A KR20160050416A (en) | 2014-10-29 | 2014-10-29 | Method for playing music of multimedia device in vehicle |
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CN105575413A true CN105575413A (en) | 2016-05-11 |
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CN201510713206.3A Pending CN105575413A (en) | 2014-10-29 | 2015-10-28 | Method for playing music of multimedia device in vehicle |
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CN (1) | CN105575413A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107239561A (en) * | 2017-06-12 | 2017-10-10 | 上海博泰悦臻网络技术服务有限公司 | A kind of system for playing song |
CN107302592A (en) * | 2017-08-01 | 2017-10-27 | 上海博泰悦臻网络技术服务有限公司 | A kind of method and system of user terminal and vehicle device synchronizing information |
CN107566868A (en) * | 2016-06-30 | 2018-01-09 | 上海博泰悦臻网络技术服务有限公司 | Media data playing method, system and car-mounted terminal |
CN107808540A (en) * | 2017-11-23 | 2018-03-16 | 李党 | vehicle service and early warning system |
CN108766474A (en) * | 2018-06-04 | 2018-11-06 | 深圳市沃特沃德股份有限公司 | Vehicle-mounted music playback method and mobile unit |
CN109669726A (en) * | 2018-12-05 | 2019-04-23 | 上海博泰悦臻电子设备制造有限公司 | USB interface-based media starting method and vehicle device |
CN110244929A (en) * | 2018-03-08 | 2019-09-17 | 夏普株式会社 | Audio playing device, control device and control method |
CN112954463A (en) * | 2019-12-10 | 2021-06-11 | 现代自动车株式会社 | Audio video navigation system of vehicle, method for playing media thereof and vehicle |
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US10032477B2 (en) * | 2014-02-27 | 2018-07-24 | Rovi Guides, Inc. | Systems and methods for modifying a playlist of media assets based on user interactions with a playlist menu |
JP6923373B2 (en) * | 2017-06-26 | 2021-08-18 | 株式会社デンソーテン | Content playback device and content playback method |
US10552117B1 (en) | 2018-10-10 | 2020-02-04 | Toyota Motor North America, Inc. | Vehicle audio settings management |
KR102265347B1 (en) * | 2019-11-29 | 2021-06-15 | 견두헌 | System for sound source playback changing sound sourse reproduction ptobability by user selection and method thereof |
GB2598920A (en) * | 2020-09-18 | 2022-03-23 | Daimler Ag | A method and a system for controlling a customized playback of sound files based on playlist scoring |
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CN101992779A (en) * | 2009-08-12 | 2011-03-30 | 福特全球技术公司 | Method of intelligent music selection in vehicle |
CN103680544A (en) * | 2012-09-25 | 2014-03-26 | 罗伯特·博世有限公司 | Method of automatically controlling volume of favorable songs in playing process |
US20140188920A1 (en) * | 2012-12-27 | 2014-07-03 | Sangita Sharma | Systems and methods for customized content |
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2014
- 2014-10-29 KR KR1020140148493A patent/KR20160050416A/en not_active Application Discontinuation
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CN101992779A (en) * | 2009-08-12 | 2011-03-30 | 福特全球技术公司 | Method of intelligent music selection in vehicle |
CN103680544A (en) * | 2012-09-25 | 2014-03-26 | 罗伯特·博世有限公司 | Method of automatically controlling volume of favorable songs in playing process |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107566868A (en) * | 2016-06-30 | 2018-01-09 | 上海博泰悦臻网络技术服务有限公司 | Media data playing method, system and car-mounted terminal |
CN107239561A (en) * | 2017-06-12 | 2017-10-10 | 上海博泰悦臻网络技术服务有限公司 | A kind of system for playing song |
CN107302592A (en) * | 2017-08-01 | 2017-10-27 | 上海博泰悦臻网络技术服务有限公司 | A kind of method and system of user terminal and vehicle device synchronizing information |
CN107808540A (en) * | 2017-11-23 | 2018-03-16 | 李党 | vehicle service and early warning system |
CN110244929A (en) * | 2018-03-08 | 2019-09-17 | 夏普株式会社 | Audio playing device, control device and control method |
CN108766474A (en) * | 2018-06-04 | 2018-11-06 | 深圳市沃特沃德股份有限公司 | Vehicle-mounted music playback method and mobile unit |
CN109669726A (en) * | 2018-12-05 | 2019-04-23 | 上海博泰悦臻电子设备制造有限公司 | USB interface-based media starting method and vehicle device |
CN112954463A (en) * | 2019-12-10 | 2021-06-11 | 现代自动车株式会社 | Audio video navigation system of vehicle, method for playing media thereof and vehicle |
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