Background technology
Vehicle-mounted information and entertainment system (in-vehicle infotainment system) provides amusement necessary in vehicle travel process and pastime for driver and crew, has therefore become the standard configuration in current vehicle.
Along with the development of Car design manufacturing technology, vehicle-mounted information and entertainment system also experienced by from simple to senior continuous progress.Fig. 1 is the schematic diagram of current a kind of typical vehicle-mounted information and entertainment system.As shown in the figure, this vehicle-mounted information and entertainment system 100 comprises audio manager 101, Man Machine Interface 102(HMI), one group of demoder, 103, one group of amplifier, 104, one group of loudspeaker and such as USB, CD/DVD, Bluetooth audio frequency, this group source of sound medium of one group of source of sound medium 106(such as iPod, MTP also can be regarded as being positioned at outside vehicle-mounted information and entertainment system 100).
Wherein, USB source of sound medium is the USB dish storing audio content, iPod source of sound medium is the iPod equipment storing audio content, MTP source of sound medium is for being stored as audio content and any mobile device be connected with audio manager 101 by media transmission protocol (MTP), CD/DVD source of sound medium is the CD/DVD dish storing audio content, and bluetooth source of sound medium is the mobile devices such as the mobile phone storing audio content and be connected with audio manager 101 by bluetooth connected mode.Certainly, the source of sound medium of other types can also be comprised in this vehicle-mounted information and entertainment system.
Audio manager 101 can be existing audio manager, and it is usually located in the head unit (head unit) of vehicle.As known to persons skilled in the art, head unit is arranged on the control board of vehicle usually, it comprises the hardware interface with various electronic media system, the such as Man Machine Interface such as button, display screen, processor, storer, and store in memory and performed the software program of its various function by processor.Audio manager 101 can perform corresponding software program by the processor in head unit and realize.
Audio manager 101 is connected with each source of sound medium 106 by respective audio interface (not shown), and carries out unified management to the audio content on these source of sound media 106.Audio manager 101 manages audio content according to source of sound.User needs first to be switched to corresponding source of sound, could select required audio content in this source of sound.Such as user wants to listen a first song, and this first song is on USB dish, then user needs first to be switched to USB source of sound, then goes to select in the list of USB music.
Man Machine Interface 102 is also arranged in head unit usually, and generally includes the human-computer interaction device such as button, display screen.User switches between different source of sound by action button, and selects the audio content among specific source of sound, such as specific music song etc.The particular audio content that user is selected is sent to corresponding demoder 103 from its place source of sound medium 106 by audio manager 101.
Described one group of demoder 103 comprises the respective decoder for the various audio contents from each source of sound medium 106, such as MP3 decoding device, iPod demoder, windows media demoder, bluetooth demoder, CD/DVD demoder etc.Each demoder 103 for decoding to corresponding audio content, and sends decoded audio content to amplifier 104 and amplifies.
Amplifier 104 is play for sending loudspeaker to after amplifying the audio content from demoder 103.
Described one group of loudspeaker is used for playing the audio content from amplifier 104.Described one group of loudspeaker can have one or more.
A shortcoming of this existing vehicle-mounted information and entertainment system is: because source of sound is distinguished, be everlasting between different source of sound and switch when needing, and the operation for user is also inconvenient.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.In the following description, many details have been set forth to make person of ordinary skill in the field more fully understand and realize the present invention.But be apparent that person of ordinary skill in the field, realization of the present invention can not have some in these details.In addition, should be understood that, the present invention is not limited to introduced specific embodiment.On the contrary, can consider to implement the present invention by the combination in any of characteristic sum key element described below, and no matter whether they relate to different embodiments.Therefore, aspect below, feature, embodiment and advantage use for illustrative purposes only, and should not regard key element or the restriction of claim as, unless clearly proposed in the claims.
Fig. 2 is the schematic diagram of vehicle-mounted information and entertainment system of the present invention.As shown in the figure, this vehicle-mounted information and entertainment system 200 is similar with existing vehicle-mounted information and entertainment system 100 as shown in Figure 1, also comprises audio manager 101, Man Machine Interface 102(HMI), one group of demoder 103, amplifier 104, one group of loudspeaker and the audio interface (not shown) that is connected with the such as source of sound medium 106 such as USB, CD/DVD, Bluetooth audio frequency, iPod, MTP.But compared with existing on-vehicle information entertainment information 100, system 200 of the present invention also comprises media manager 211.
Described media manager 211 is for being maintained in unified for the audio content in all source of sound media 106 in media library.Particularly, when source of sound medium 106 is connected to audio manager 101, audio manager 101 obtains the audio content in this source of sound medium 106 by corresponding audio interface, and the audio content in this source of sound medium 106 of being obtained by audio manager 101 of media manager 211 adds media library to; And when source of sound medium 105 disconnects with audio manager 101, the audio content in this source of sound medium 106 is deleted by media manager 211 from media library.
Such as, when USB dish/iPod/MTP is inserted into the corresponding port of the head unit of vehicle, audio contents all in audio manager 101 meeting active obtaining USB dish/iPod/MTP, then they are joined in current media library by media manager 211 by such as music track; When USB dish iPod/MTP extracts, media manager 211 can delete the relevant audio content in media library.
Again such as, when Bluetooth of mobile phone is connected to audio manager 101, the audio content on audio manager 101 meeting active obtaining mobile phone, such as music track, then joins them in current media library by media manager 211; When disconnecting bluetooth and connecting, media manager 211 can delete the relevant audio content in media library.In addition, system 200 of the present invention does not limit the peripheral hardware number that bluetooth connects, therefore multiple Bluetooth of mobile phone can be had to be connected to audio manager 101, and the audio content on each mobile phone of audio manager 101 meeting active obtaining, then joins them in current media library by media manager 211; And when certain mobile phone disconnects, media manager 211 can delete the relevant audio content in media library.
Again such as, when CD/DVD dish is inserted into the CD/DVD port of the head unit of vehicle, the audio content that audio manager 101 will obtain in CD/DVD dish, such as music track, then joins them in current media library by media manager 211; When CD/DVD dish exits, media manager 211 can delete the relevant audio content in media library.
Preferably, media manager 211 is maintained in unified for audio content in media library by the index setting up audio content.That is, media manager 211 is established to the index of each audio content in each connected source of sound medium 106, and by these index stores in the storer be associated (storer of such as head unit), and audio content is still stored in corresponding source of sound medium 106.Described index comprises the identification information of audio content and the routing information of audio content.Described identification information such as comes from the music label information (Metadata) such as such as ID3 information in audio file, and this information comprises the singer, title, album name, age, style etc. of this audio frequency usually.Described routing information such as comprises mark and the path of audio content in this source of sound medium of source of sound medium.Like this, when deleting the audio content in media library when media manager 211, in fact just delete the index of this audio content.
The Man Machine Interface 102 of vehicle-mounted information and entertainment system 200 of the present invention is usually located in head unit, and generally includes the human-computer interaction device such as button, display screen/touch-screen.The audio content (audio content such as after sequence) that media manager 211 can be unified in the media library safeguarded is presented in the display screen of Man Machine Interface 102, and pass through button or the touch-screen of Man Machine Interface 102, user can select to play or otherwise control any audio content in (such as, stopping playing, adjusting volume etc.) media library.In addition, if the mobile phone of user is connected to vehicle-mounted information and entertainment system 200 by bluetooth, the audio content that user also can be selected broadcasting by mobile phone or otherwise be controlled in media library; And preferably, the audio content that user can only be selected broadcasting by mobile phone or otherwise be controlled from this mobile phone.
The audio manager 101 of vehicle-mounted information and entertainment system 200 of the present invention is connected with each source of sound medium 106 by corresponding audio interface, and carries out unified management to the audio content on these source of sound media 106.Described audio interface both can be considered and had been positioned within audio manager 101, also can be considered and was positioned at outside audio manager 101.Described audio interface such as comprises usb audio interface, iPod audio interface, MTP audio interface, CD/DVD audio interface and Bluetooth audio frequency interface etc.Audio manager 101 is also connected with media manager 211.When user selects to play the audio content in media library by Man Machine Interface 102, Man Machine Interface 102 will by media manager 211(or directly) instruction of playing this audio content is sent to audio manager 101, this audio content will send to demoder 103 to decode, to play by corresponding source of sound medium 106 according to this instruction by audio manager 101.
Preferably, media manager 211 is sorted out the audio content in media library by index.Such as, when multiple source of sound medium 106 is connected to audio manager 101, media manager 211 can be sorted out the music track on all source of sound media 106 according to singer, special edition, age, style etc.Like this, such as, when user wants the song listening " Liu Dehua ", and these songs may be scattered on the CD dish of user, USB dish or mobile phone, and user selects the complete all songs listening to Liu Dehua by Man Machine Interface 102, and without switching sound source.Preferably, media manager 211 is sorted out audio content by the index of operating audio content, be about to have identical singer, special edition, the age, style or other attributes the index of audio content be grouped in together, and to be presented in the display screen of Man Machine Interface 102.
Preferably, media manager 211 is integrated the audio content in media library by index.Such as, be connected to audio manager 101 when there being multiple source of sound medium 106 and identical audio content is stored on multiple source of sound medium 106 time, media manager 211 can such as by the multiple identical audio content of music label information identification of comparing audio content, and the file size/code check/sampling rate such as by comparing these audio contents determines the good audio content of tonequality, in media library, then can only set up or retain the index of the good audio content of tonequality.Like this, select to play this audio content by Man Machine Interface 102 in response to user, media manager 211 only will select the good audio content of tonequality, and corresponding index information is supplied to described audio manager 101, described audio manager 101 realizes the broadcasting of this audio content by the mode of above-mentioned explanation.Or, media manager 211 also can set up the index to multiple source of sound medium 106, and when user selects to play this audio content by Man Machine Interface 102, media manager 211 only to the index information that audio manager 101 provides audio content good to tonequality corresponding, and and then is realized the broadcasting of this audio content by audio manager 101.
In addition, user sort out by the audio content in Man Machine Interface 102 pairs of media libraries, sort, the operation such as deletion.
According to some embodiments of the present invention, described Man Machine Interface 102 also can comprise interactive voice interface.This interactive voice interface can receive the voice command of user, and sends corresponding order to media manager 211.Like this, user can select listening to audio content by voice mode.Such as, when user says " song that I wants to listen Liu De China ", media manager 211 will provide the index information of the song from the Liu Dehua on all source of sound media 106 to audio manager 101, and and then is realized the broadcasting of audio content by audio manager 101.
When user selects to listen to a certain audio content by Man Machine Interface 102, such as user sends voice command " I wants to listen " it is not crime that man cries " ", media manager 211 will be searched in media library, if find that there is this first song, then system 200 will play this first song automatically.According to some embodiments of the present invention, if do not find that in media library user selects the audio content play, by Man Machine Interface 102, system 200 can inform that this audio content of user does not exist.
According to other embodiments of the present invention, if do not find that in media library user selects the audio content play, system 200 can point out user to this audio content of removal search on the Internet by Man Machine Interface 102, and when user selects search to the Internet enterprising line search (or do not point out user and directly go the Internet is searched for), and this audio content that broadcasting searches on the internet.In such embodiments, system 200 also comprises Internet connection and search module 220, this internet network connects and is connected with audio manager 101 with search module 220, it can set up the connection with the Internet, and the audio content searched on the Internet, then searched audio content is supplied to audio manager 101 to play.In some embodiments of the invention, the audio content searched on the internet is play with the form of Streaming Media by system 200, and does not add in media library.In other embodiments of the present invention, for the audio content searched on the internet, audio content is maintained in media library by the index setting up this audio content in media library by media manager 211, and the routing information in the index of this audio content will comprise the IP address of this audio content.It should be noted that, Internet connection with realize the functional module that network is connected in search module 220 and also can share with other onboard systems, namely this functional module also can independent of system 200.
More than describe vehicle-mounted information and entertainment system according to an embodiment of the invention with reference to the accompanying drawings, be to be noted that above description is only example, instead of limitation of the present invention.In other embodiments of the invention, this vehicle-mounted information and entertainment system can have more, less or different modules, and connection between each module, comprise, the relation such as function can from described and illustrated different.
Although more than describe various embodiments of the present invention with reference to the accompanying drawings, it will be appreciated by those skilled in the art that above description is only example, instead of limitation of the present invention.Can carry out various amendment and distortion to embodiments of the invention, and still fall within the spirit and scope of the present invention, scope of the present invention is only determined by appended claims.