Background technology
Vehicle-mounted information and entertainment system(in-vehicle infotainment system)Vehicle is provided for driver and passenger
Necessary amusement and pastime during traveling, therefore become the standard configuration in current vehicle.
With the development of Car design manufacturing technology, vehicle-mounted information and entertainment system also experienced from simple to advanced continuous
It is progressive.Fig. 1 is the schematic diagram of typical vehicle-mounted information and entertainment system a kind of at present.As shown in the figure, the vehicle-mounted information and entertainment system
100 include audio manager 101, human-computer interaction interface 102(HMI), one group of 103, one groups of decoder, 104, one groups of amplifier raise
One group of source of sound medium 106 of sound device and USB, CD/DVD, Bluetooth audio frequency, iPod, MTP etc.(This group of source of sound medium also can quilt
It is considered as outside vehicle-mounted information and entertainment system 100).
Wherein, USB sources of sound medium is the USB disk for being stored with audio content, and iPod sources of sound medium is to be stored with audio content
IPod equipment, MTP sources of sound medium is is stored as audio content and passes through media transmission protocol(MTP)With audio manager 101
Any mobile equipment of connection, CD/DVD source of sound media are the CD/DVD disks for being stored with audio content, and bluetooth source of sound medium is to deposit
Mobile phone for containing audio content and being connected by bluetooth connection mode with audio manager 101 etc. moves equipment.Certainly, should
It can also include other kinds of source of sound medium in vehicle-mounted information and entertainment system.
Audio manager 101 can be existing audio manager, it is usually located at the head unit of vehicle(head
unit)In.As known to persons skilled in the art, head unit is typically mounted on the control board of vehicle, it include with it is each
The human-computer interaction interfaces such as the hardware interface of kind electronic media system, button, display screen, processor, memory, and storage
Perform in memory and by processor to complete the software program of its various functions.Audio manager 101 can pass through sound equipment
Processor in body performs corresponding software program to realize.
Audio manager 101 passes through respective audio interface(It is not shown)It is connected with each source of sound medium 106, and to these sounds
Audio content on source medium 106 is managed collectively.Audio manager 101 manages audio content according to source of sound.User needs
Corresponding source of sound is first switched to, required audio content could be selected in the source of sound.For example user wants to listen a first song, this is first
On USB disk, then user needs to first switch to USB sources of sound song, then goes to select in the list of USB music.
Human-computer interaction interface 102 is also normally positioned in head unit, and is generally included the human-computer interactions such as button, display screen and set
It is standby.User can be switched over by operation button between different sources of sound, and select the audio content among specific source of sound, such as
Specific music song etc..Audio manager 101 will send the particular audio content that user selects from source of sound medium 106 where it
To corresponding decoder 103.
One group of decoder 103 includes the respective decoder for the various audio contents from each source of sound medium 106,
Such as MP3 decoding device, iPod decoders, windows media decoders, bluetooth decoder, CD/DVD decoders etc..Each decoding
Device 103 is used to decode corresponding audio content, and sends decoded audio content to amplifier 104 and put
Greatly.
Amplifier 104 is played out for sending loudspeaker to after being amplified to the audio content from decoder 103.
One group of loudspeaker is used to play out the audio content from amplifier 104.One group of loudspeaker can
To there is one or more.
One shortcoming of this existing vehicle-mounted information and entertainment system is:Since source of sound is distinguished, it is necessary to often in not unisonance
Switched between source, the operation for user is simultaneously inconvenient.
Embodiment
The embodiment of the present invention is described with reference to the accompanying drawings.In the following description, numerous specific details are set forth so as to
Person of ordinary skill in the field is set to be appreciated more fully and realize the present invention.But to those of skill in the art
Member is it is evident that the present invention's realizes some that can not have in these details.It is however, it should be understood that of the invention
It is not limited to introduced specific embodiment.Conversely, it may be considered that with any combination of features described below and key element come
Implement the present invention, regardless of whether they are related to different embodiments.Therefore, aspect, feature, embodiment and advantage below is only
It is illustrative, and key element or the restriction of claim are not to be taken as, unless clearly proposing in the claims.
Fig. 2 is the schematic diagram of the vehicle-mounted information and entertainment system of the present invention.As shown in the figure, the vehicle-mounted information and entertainment system 200
It is similar with existing vehicle-mounted information and entertainment system 100 as shown in Figure 1, also including audio manager 101, human-computer interaction interface
102(HMI), one group of decoder 103,104, one groups of loudspeakers of amplifier and with such as USB, CD/DVD, Bluetooth audio frequency,
The audio interface that the source of sound such as iPod, MTP medium 106 is connected(It is not shown).But with existing 100 phase of on-vehicle information entertainment information
Than system 200 of the invention further includes media manager 211.
The media manager 211 is used to the audio content in all source of sound media 106 being uniformly maintained in media library.
Specifically, when source of sound medium 106 is connected to audio manager 101, audio manager 101 is obtained by corresponding audio interface
Take the audio content in the source of sound medium 106, and the source of sound medium that media manager 211 obtains audio manager 101
Audio content in 106 is added to media library;And when source of sound medium 105 and audio manager 101 disconnect, media management
Device 211 deletes the audio content in the source of sound medium 106 from media library.
For example, when USB disk/iPod/MTP is inserted into the corresponding port of the head unit of vehicle, 101 meeting of audio manager
All audio contents in active obtaining USB disk/iPod/MTP, such as music track, then by media manager 211 by they
It is added in current media library;When USB disk iPod/MTP is extracted, media manager 211 can delete the correlation in media library
Audio content.
For another example when Bluetooth of mobile phone is connected to audio manager 101, on the meeting active obtaining mobile phone of audio manager 101
Audio content, then such as music track is added to them in current media library by media manager 211;Work as disconnection
During bluetooth connection, media manager 211 can delete the relevant audio content in media library.In addition, the system 200 of the present invention is unlimited
The peripheral hardware number of bluetooth connection processed, therefore can there are multiple Bluetooth of mobile phone to be connected to audio manager 101, audio manager 101
Audio content on the meeting each mobile phone of active obtaining, is then added to them in current media library by media manager 211;
And when some mobile phone disconnects, media manager 211 can delete the relevant audio content in media library.
In another example when CD/DVD disks are inserted into the CD/DVD ports of the head unit of vehicle, audio manager 101 will
The audio content in CD/DVD disks, such as music track are obtained, then they are added to current matchmaker by media manager 211
In body storehouse;When CD/DVD disks exit, media manager 211 can delete the relevant audio content in media library.
Preferably, audio content is uniformly maintained in media library by media manager 211 by establishing the index of audio content
In.That is, media manager 211 establishes the index of each audio content in each connected source of sound medium 106, and by this
A little indexes are stored in associated memory(Such as the memory of head unit)In, and audio content is still stored in corresponding sound
In source medium 106.The routing information for indexing the identification information and audio content that include audio content.The identification information
Such as come from the music label information such as ID3 information in audio file(Metadata), which generally comprises the audio
Singer, title, album name, the age, style etc..Mark and audio of the routing information for example including source of sound medium
Path of the content in the source of sound medium.In this way, when media manager 211 deletes the audio content in media library, actually
Simply delete the index of the audio content.
The human-computer interaction interface 102 of the vehicle-mounted information and entertainment system 200 of the present invention is usually located in head unit, and usually
Including human-computer interaction devices such as button, display screen/touch-screens.Media manager 211 can be unified in the media library of maintenance
Audio content(Such as the audio content after sequence)It is shown in the display screen of human-computer interaction interface 102, and by man-machine
The button or touch-screen of interactive interface 102, user may be selected to play or otherwise control(For example, stop playing, adjust sound
Amount etc.)Any audio content in media library.In addition, if the mobile phone of user entertains system by bluetooth connection to on-vehicle information
System 200, user can also select to play or otherwise control the audio content in media library by mobile phone;And preferably
Ground, user can only select to play or otherwise control the audio content from the mobile phone by mobile phone.
The audio manager 101 of the vehicle-mounted information and entertainment system 200 of the present invention passes through corresponding audio interface and each source of sound
Medium 106 is connected, and the audio content on these source of sound media 106 is managed collectively.The audio interface was both visual
Within audio manager 101, also to can be considered outside audio manager 101.The audio interface is for example including USB
Audio interface, iPod audio interface, MTP audio interface, CD/DVD audio interface and Bluetooth audio frequency interface etc..Audio frequency controller
Device 101 is also connected with media manager 211.When user passes through the audio in the selection broadcasting media library of human-computer interaction interface 102
During content, human-computer interaction interface 102 will pass through media manager 211(Or directly)The instruction for playing the audio content is sent
To audio manager 101, audio manager 101 will be sent the audio content by corresponding source of sound medium 106 according to the instruction
Decoded to decoder 103, to play.
Preferably, media manager 211 can sort out the audio content in media library by index.For example, when more
When a source of sound medium 106 is connected to audio manager 101, media manager 211 can be the music on all source of sound media 106
Mesh is sorted out according to singer, special edition, age, style etc..In this way, for example when user wants to listen the song of " Liu Dehua ", and these are sung
Qu Keneng is scattered on CD disks, USB disk or the mobile phone of user, and user can select completely to listen to by human-computer interaction interface 102
All songs of Liu De China, and do not have to switching sound source.Preferably, media manager 211 is by operating the index pair of audio content
Audio content is sorted out, and will have the index point of the audio content of identical singer, special edition, age, style or other attributes
Group together, and is shown in the display screen of human-computer interaction interface 102.
Preferably, media manager 211 can integrate the audio content in media library by index.For example, working as has
Multiple source of sound media 106 are connected to audio manager 101 and when identical audio content are stored on multiple source of sound media 106,
Media manager 211 for example can identify multiple identical audio contents, and example by the music label information of comparing audio content
Such as the preferable audio content of tonequality is determined by comparing file size/code check/sample rate of these audio contents, then can be with
The index of the preferable audio content of tonequality is established or retained only in media library.In this way, connect in response to user by human-computer interaction
The selection of mouth 102 plays the audio content, and media manager 211 will only select the preferable audio content of tonequality, and will be corresponding
Index information is supplied to the audio manager 101, and the audio manager 101 realizes the sound by way of described above
The broadcasting of frequency content.Alternatively, media manager 211 can also establish the index to multiple source of sound media 106, and pass through people in user
Machine interactive interface 102 selection play the audio content when, media manager 211 only to audio manager 101 provide with tonequality compared with
The good corresponding index information of audio content, and and then realize the broadcasting of the audio content by audio manager 101.
In addition, user can sort out the audio content in media library by human-computer interaction interface 102, sort, delete
Deng operation.
According to some embodiments of the present invention, the human-computer interaction interface 102 may also include interactive voice interface.The voice
Interactive interface can receive the voice command of user, and send corresponding order to media manager 211.In this way, user can be with language
Sound mode selects to listen to audio content.For example when user says " I wants to listen the song of Liu De China ", media manager 211 will
The index information of the song of Liu Dehua on all source of sound media 106 is provided to audio manager 101, and and then by audio pipe
Reason device 101 realizes the broadcasting of audio content.
When user listens to a certain audio content by the selection of human-computer interaction interface 102, for example user sends voice command " I
Want to listen《It is not crime that man, which cries,》", media manager 211 will scan in media library, if it find that having this song, then
System 200 will play this song automatically.According to some embodiments of the present invention, if without discovery user's selection in media library
The audio content of broadcasting, system 200 can inform that user's audio content is not present by human-computer interaction interface 102.
Other embodiments according to the present invention, if not having to find that user is selected in the audio of broadcasting in media library
Hold, system 200 can prompt user to be selected to the audio content of removal search on internet, and in user by human-computer interaction interface 102
Scanned for when selecting search on internet(Or do not prompt user and directly go to search on internet), and play in internet
On the audio content that searches.In such embodiments, system 200 further includes Internet connection and search module 220, should
The Internet network connects and search module 220 is connected with audio manager 101, it can establish the connection with internet, and search for
Audio content on internet, is then supplied to audio manager 101 to play out the audio content searched.At this
In some embodiments of invention, system 200 plays out the audio content searched on the internet in the form of Streaming Media,
And it is not added in media library.In other embodiments of the present invention, for the audio content searched on the internet, matchmaker
Audio content is maintained in media library by body manager 211 by establishing the index of the audio content in media library, the audio
Routing information in the index of content is by the IP address comprising the audio content.It should be noted that Internet connection and
The function module of network connection is realized in search module 220 can also share with other onboard systems, i.e., the function module also can be only
Stand on system 200.
Vehicle-mounted information and entertainment system according to an embodiment of the invention is described above by reference to attached drawing, it is noted that with
Upper description is merely illustrative, rather than limitation of the present invention.In other embodiments of the invention, the vehicle-mounted information and entertainment system
Can have more, less or different module, and connection between each module, include, the relation such as function can with it is described and
The difference of diagram.
Although above by reference to attached drawing each embodiment that the invention has been described, it will be appreciated by those skilled in the art that retouching above
State merely illustrative, rather than limitation of the present invention.Various modifications and deformation can be carried out to the embodiment of the present invention, and still fallen
Enter within the spirit and scope of the present invention, the scope of the present invention is only determined by the appended claims.