CN102486783A - Music media information acquisition method and vehicle-mounted terminal - Google Patents
Music media information acquisition method and vehicle-mounted terminal Download PDFInfo
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- CN102486783A CN102486783A CN2010105731113A CN201010573111A CN102486783A CN 102486783 A CN102486783 A CN 102486783A CN 2010105731113 A CN2010105731113 A CN 2010105731113A CN 201010573111 A CN201010573111 A CN 201010573111A CN 102486783 A CN102486783 A CN 102486783A
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Abstract
The invention discloses a music media information acquisition method, comprising the following steps of: receiving a music file operation request; acquiring a music file corresponding to the operation request; analyzing the acquired music file; if the music file is lack of music media information, utilizing a keyword related to the music file to search a storage unit; if a searching record corresponding to the keyword exists in the storage unit, acquiring a download link from the searching record; and utilizing the download link to download the music media information in a long distance. The invention further discloses a vehicle-mounted terminal, comprising an input/output unit, a file calling unit, a searching unit and a sending/receiving unit, wherein the input/output unit is applicable to receiving the music file operation request. According to the music media information acquisition method and the vehicle-mounted terminal, the real-time requirements of a user on providing music file searching and downloading by a vehicle-mounted music system can be met, so that the waiting time of the user is reduced.
Description
Technical field
The present invention relates to vehicle-mounted music system, particularly a kind of music media information getting method and car-mounted terminal.
Background technology
At present; Onboard system can provide increasing application service; Wherein, Music is that vehicle mounted multimedia comparatively general and that demand is bigger one of is used, and the user can play the music that various approach obtain in every way on vehicle-mounted music system, for example connect through CD (Compact Disk), USB flash disk (USB flash disk), mobile phone.
Along with Internet development, vehicle-mounted music system allows the user directly to be connected to network, music on download, the playing network.The network work mode of existing vehicle-mounted music system is generally as shown in Figure 1, and automotive interior is equipped with car-mounted terminal 101, and several car-mounted terminals are connected to server 102 through wireless network 103.Car-mounted terminal receives user's file polling request, download request; Send query requests packet and download request packet to server, reception is from the reply data bag of server and feed back to the user.
For example application number is that 200510134463.8 the disclosed a kind of method for searching music of Chinese invention patent application, equipment and system can be applied in the vehicle-mounted music system.Wherein, the music searching server links to each other through network with car-mounted terminal, and said method comprises step: receive from car-mounted terminal and intend the relevant music information of search for music; From the relevant music information of said plan search for music, extract characteristic, and select and the corresponding engine of this characteristic, this engine is from the music of music data library searching and this characteristic matching thus; And to the said terminal transmission information relevant with the music that is retrieved.The relevant information of above-mentioned music comprises voice data; Also comprise the music media data; The for example big envelope of singer, song title, the lyrics, album name, special edition, special edition or singer's picture, Publication Year etc., the user also can have the music of hearing more comprehensively and understand in enjoy music.
But; The music media information getting method that existing vehicle-mounted music system provides is not considered the singularity of onboard system; Be that vehicle-mounted music system user is higher than computer network user to the requirement of search answer speed, need web search feedback function fast.The music media information network search function that existing vehicle-mounted music system provides for the user does not satisfy the requirement of user for the real-time of retrieval and/or download.
Summary of the invention
The problem that the present invention will solve provides a kind of acquisition methods and car-mounted terminal of music media information, satisfies the real-time requirement of user for music media information network retrieval in the vehicle-mounted music system, reduces the stand-by period.
For addressing the above problem, the present invention provides a kind of music media information getting method, comprising: receive the music file operation requests; Obtain the music file corresponding with said operation requests; Analyze the said music file that gets access to,, utilize the key search storage unit related with said music file if lack music media information in the said music file; If have the search records corresponding in the storage unit, from said search records, obtain download link with said key word; Utilize download link remote download music media information.
Optional, said music media information getting method also comprises: the music media information of existing music media information and above-mentioned remote download in the integration music file.
Optional, said music media information getting method also comprises: the voice data in the playing music; Voice data in the said playing music carries out with the said music file that gets access to of analysis synchronously.
Optional, the record in the said storage unit also comprises the access times field of download link and field service time recently.
Optional, saidly obtain download link from search records and comprise: if there are many search records corresponding with said key word in storage unit, the access times of the download link of relatively preserving in each record are chosen the maximum download link of access times.
Optional; Saidly obtain download link from search records and comprise: if there are many search records corresponding with said key word in storage unit; The nearest service time of the download link of relatively preserving in each record, choose nearest service time of nearest download link.
Optional, said music media information getting method also comprises: after downloading successfully, upgrade said access times field and field service time recently.
Further, the present invention also provides a kind of car-mounted terminal, comprising: input-output unit, file call unit, retrieval unit and transmission receiving element; It is characterized in that said input-output unit is suitable for receiving the music file operation requests; Said file call unit is suitable for receiving the operation requests from said input-output unit, obtains the music file corresponding with said operation requests, analyzes said music file, if lack music media information, sends retrieval request; Said retrieval unit is suitable for according to the retrieval request that receives; Utilize the key search related to adapt to the storage unit of said car-mounted terminal with said music file; If have the search records corresponding in the storage unit, from said search records, obtain download link with said key word; Said retrieval unit is suitable for utilizing said download link through said transmission receiving element remote download music media information.
Optional, said car-mounted terminal also comprises updating block; Said updating block couples with said storage unit, transmission receiving element respectively, is suitable for the download link of storing in the said storage unit of regular update.
Optional, said retrieval unit comprises local retrieval unit and telereference unit; Said local retrieval unit is suitable for receiving the retrieval request from said file call unit; Be suitable for utilizing the key search related to adapt to the storage unit of said car-mounted terminal,, from said search records, obtain download link if there be the search records corresponding in the said storage unit with said key word with said music file; Be suitable for when not having the search records corresponding in the storage unit with affiliated key word; Transmit retrieval request to said telereference unit; When being present in the search records of said key word correspondence in the storage unit, send network access request to said telereference unit; Said telereference unit is suitable for sending retrieval request or network access request through said transmission receiving element to server.
Compared with prior art; The invention has the advantages that: (1) retrieval unit is through the network linking of the music media information of retrieve stored unit storage; Can reply for the user provides faster network retrieval, satisfy the car-mounted terminal user for the requirement of using real-time; The music media information of (2) retrieval automatically, download music files disappearance; Can for the user complete music file information be provided automatically; Reduce user interactive; Promote user experience (3) when the record in the storage unit comprises service time and access times data, can periodically eliminate not preferred link, save storage space.
Description of drawings
Fig. 1 is the vehicle-mounted music system synoptic diagram in the one embodiment of the invention;
Fig. 2 is the car-mounted terminal structural representation in the one embodiment of the invention;
Fig. 3 is the memory contents synoptic diagram of the car-mounted terminal storage unit in the one embodiment of the invention;
Fig. 4 is that the user uses the car-mounted terminal synoptic diagram in the one embodiment of the invention;
Fig. 5 is a car-mounted terminal structural representation in the one embodiment of the invention;
Fig. 6 is a car-mounted terminal structural representation in the one embodiment of the invention;
Fig. 7 is a music media information acquisition methods process flow diagram in the one embodiment of the invention;
Fig. 8 is the automatic acquisition methods process flow diagram of the music media information of music file in the one embodiment of the invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Set forth detail in the following description so that make much of the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention does not receive the restriction of following disclosed embodiment.
In-vehicle multi-media system is the standing configuration of present vehicle, even low end vehicle has also disposed vehicle-mounted music system at least.Vehicle-mounted music system can be play the music file of tape, CD or USB flash disk stored, perhaps further shows the music media information that music file comprises.
Along with development of internet technology; The vehicle-mounted music system that can network enabled connects provides the function of retrieving music file and download music files for the user; The user no longer need carry non-volatile memory medium; Only need song, the singer's title that selection is liked oneself on the music playlist of vehicle-mounted music system, relevant information all can be retrieved, download, play, show via vehicle-mounted music system automatically.
As shown in Figure 1, the vehicle-mounted music system that network enabled connects generally comprises several car-mounted terminals 101 and server 102, and car-mounted terminal is connected through wireless network 103 with server.Passenger or driver send music file inquiry or download request as the user of vehicle-mounted music system through car-mounted terminal 101.Car-mounted terminal 102 receives user's input, and the services request packing is sent to server 102.After server 102 feedback informations arrived car-mounted terminal 101, the feedback information that car-mounted terminal 101 will be retrieved, download was shown to the user.
The input-output operation mode of car-mounted terminal can combine display input and output etc. for keyboard combines display input and output, touch-screen input and output, telepilot.Equipment such as above-mentioned keyboard, display, telepilot and touch-screen all receive user's input as input-output device, and feed back to user result.Car-mounted terminal both can integrated input-output device, also can not integrated input-output device.When car-mounted terminal not during integrated input-output device, car-mounted terminal carries out alternately through input-output device and user, and the connected mode of car-mounted terminal and input-output device can be wired connection, can also be for short-range wireless connections, and user-friendly.
The typical case of music media information is represented as ID3 information, is stored in the MP3 music file, and ID3 information can comprise singer, album--name, music style, the user scoring to music, can also comprise album cover.More complete music media information comprises singer, song title, the lyrics, the big envelope of album name, special edition, special edition or singer's picture, Publication Year, album cover etc.Music media information can also comprise note, the scoring of user for music file, number of times that this music file is play and the last reproduction time.
On the basis of retrieval that existing car-mounted terminal provides, download function; In order to strengthen the real-time of music media information retrieval and download, the present invention provides a kind of vehicle-mounted service terminal, comprising retrieval unit; Adapt to the storage unit of said car-mounted terminal through retrieval; Obtain the download link of music media information, reduce the time of user search operation awaits, improve the real-time of music media information retrieval and download.
As shown in Figure 2, be the structural representation of car-mounted terminal in the one embodiment of the invention.Wherein car-mounted terminal 101 comprises input-output unit 201, and this input-output unit 201 is suitable for coupling with above-mentioned input-output device, receives the music file operation requests from input-output device, and sends reply data to input-output device.
Car-mounted terminal 101 also comprises file call unit 205, couples with input-output unit 201, and whether the demand file of being responsible for the inspection user is local data, if local data directly feeds back reply data and gives input-output unit.If this demand file is not a local data, file call unit 205 generates retrieval request, and this retrieval request comprises the key word relevant with music file.
The transmission receiving element 204 that car-mounted terminal 101 also comprises retrieval unit 202, couples with retrieval unit 202.Retrieval unit 202 couples with file call unit 205; Reception is from the retrieval request of file call unit 205; Whether the inspection retrieval request preserves in the storage unit that adapts to said car-mounted terminal 103, checking process be the coupling stored record key word whether with retrieval request in key word identical.Key word can be that singer's name combines song title, also can be other key words related with music file.
If find to have corresponding search records in the storage unit 103 through retrieval, feed back all search records and give file call unit 205, wait for user's further operation.If do not preserve the record of corresponding music file, retrieval unit 202 is transmitted retrieval request to sending receiving element 204.
Send receiving element 204 retrieval request is sent to server 102 through wireless network, and reception is replied from the retrieval of server 102.
Because storage unit 103 has been preserved search operaqtion and effective result of down operation that the user once carried out, promptly effectively links, and has saved the stand-by period of subsequent operation process.
When new retrieval request sends to server 102 and has obtained retrieval that server 102 returns when replying, network linking that the user comprises in selecting to retrieve and replying, car-mounted terminal sends network access request.If the user has successfully downloaded music file from this network linking, this network linking will be kept in the storage unit as a record.
Shown in Figure 3 in one embodiment of the invention, the data that storage unit 103 comprises.The record of the corresponding music file of key word 1 wherein, this record is divided into two parts, is respectively the voice data information and the music media information of music file.The voice data message part comprises the access times of effective link, effectively link, the last service time that effectively links.Music media information comprises that active chain connects, the access times of effectively link, effective time of the last use of link.
The time of above-mentioned last use i.e. the last time of using.Effectively the access times of link and the effectively operating process of having added up the user last service time of link can be used to help the decision of user and system to select which link to carry out remote download in the operation below.
Further, the music file of having stored for this locality is if car-mounted terminal finds that its music media information is imperfect; Perhaps do not comprise music media information; Said car-mounted terminal will be retrieved and remote download music media information automatically, reduce user's operation, save time.
As shown in Figure 4, in one embodiment of the invention, music media information comprises project: the big envelope of singer, song title, the lyrics, special edition, special edition, special edition or singer's picture, Publication Year.
The user selects required music file through singer's list of songs that touch-screen 420 provides.It is the file operation requests of touch-screen 420 that the file call unit 402 of car-mounted terminal 400 receives from input-output device, plays the voice data of this music file.If the music media information of this music file is imperfect; File call unit 402 utilizes the key word (for example singer's title adds song title) of song in the file operation requests to generate retrieval request and sends to retrieval unit 403; Also comprise the project name that music media information lacks, for example album name in this retrieval request.
Retrieval unit 403 receives above-mentioned retrieval request, analyzes the retrieval request data.If in storage unit 405, retrieve and find search records through key word; Call the download link of first music media information in the search records; Generate network access request and send to transmission receiving element 404, and obtain access to netwoks through transmission receiving element 404 and reply.
In other embodiments, retrieval unit 403 is according to the download link of the access times selection music media information of each download link, and what number of times was maximum selects earlier; Perhaps according to selecting download link the nearest service time of each download link, what the time was nearest selects earlier.
Retrieval unit 403 returns the music media information that obtains and gives the file call unit, and corresponding download time and the last download field that effectively links in the updated stored unit 405.
If retrieval unit 403 has obtained replying through the failure from server 410 of sending receiving element 404 forwardings, retrieval unit 403 will be deleted invalid link, and reselect effective link of preserving in other storage unit and download trial.
If the music key word that comprises in the retrieval request that retrieval unit 403 receives is not stored in the storage unit 405; Then retrieval unit 403 utilizes the key word in the file operation requests to generate retrieval request, and retrieval request sends to server 410 through sending receiving element 404.
Server 410 returns result for retrieval, is a network linking tabulation, and wherein any one network linking all might comprise required music media information.The all network linkings of retrieval unit 403 traversals are downloaded trial, if find effectively link, accomplish subsequent operation according to above-mentioned steps.
Further, in order to reduce the capacity of storage unit, car-mounted terminal can be directed against the data scrubbing of storage unit.The mode of cleaning comprises three kinds:
First kind, when car-mounted terminal is in idle condition, move retrieval unit automatically, whether all records of traversal storage unit check wherein each link still effective.If invalid, the deletion respective record;
Second kind, periodic cleaning; In the record of each music file, music media information only comprises limited effective the link, if the link number has exceeded higher limit, compares the download time of each link, limited effective link before the only reservation maximum;
The third, periodic cleaning; For the key word of each music file, music media information only comprises limited effectively link, if the link number has exceeded higher limit, service time of the last time of each link relatively, only keep nearest before limited effectively link.
Further, in order to reduce the invalid link of storage unit, improve the validity and the real-time of retrieval, car-mounted terminal also comprises updating block.
Fig. 5 is the structural representation of the car-mounted terminal of one embodiment of the invention, and wherein car-mounted terminal comprises local input block 501, local output unit 502.With the file call unit 503 that this locality is imported, output unit 501,502 couples.The retrieval unit 504 that couples with file call unit 503.The storage unit 505 that couples with retrieval unit 504, the updating block 507 that couples with storage unit 505.
Said updating block 507 sends with retrieval, receiving element 508,509 couples; Whether the network linking of making regular check in the record of cell stores is effective; And will check link deletion from record of failure, if all download link in record all deleted, with this record deletion.The function of said retrieval transmission, receiving element 508,509 is identical with transmission receiving element among the embodiment before.
The operator precedence level of 507 pairs of storage unit 505 of updating block is lower than retrieval unit 504.In other embodiments, the function of updating block 507 also can be implemented in the retrieval unit.
Further, in order to reduce the energy consumption of car-mounted terminal, better realize the purpose of low-carbon energy-saving, the retrieval unit of car-mounted terminal may further include local retrieval unit and telereference unit.Because the existence of storage unit; When the user uses car-mounted terminal after a period of time; Most of retrieval request of user can find corresponding stored record in storage unit; The local search function of retrieval unit is often used, and the telereference function is seldom used, and the operation that the telereference function relates to comprises that analyzing retrieval request generates network access request.According to above-mentioned reason, the telereference unit in most cases can not start, and the data forwarding path only is provided.
Fig. 6 is the structural representation of car-mounted terminal in the one embodiment of the invention, comprising this locality input, output unit 601,602, file call unit 603; Local retrieval unit 604; Telereference unit 606, updating block 607, and retrieval is sent, receiving element 608,609.The annexation of its each unit and function and the foregoing description are basic identical; Different places are; Said retrieval unit is divided into local retrieval unit 604 and telereference unit 606; Local retrieval unit 604 couples with telereference unit 606, storage unit 605 respectively, after local retrieval unit 604 retrieval failures, starts telereference unit 606.Telereference unit 606 sends with retrieval, receiving element 608,609 couples.
Further, said storage unit is merged into one with retrieval unit and can be preserved effective retrieval unit that links.
Further, the present invention provides a kind of voice data acquisition methods, and network retrieval feedback information fast is provided.As shown in Figure 7, this method comprises the steps:
S101: receive the music file operation requests;
S102: the voice data that judges whether this music file is stored in this locality;
S103: if the local voice data of not storing this music file utilizes the key search storage unit;
S104: judge whether there is relative recording in the storage unit;
S105:, obtain download link from search records if there be the search records corresponding with said key word;
S106: utilize above-mentioned link, the remote download music file.
For the validity and the practicality that guarantee to link, said method can also comprise step S107: the service recorder of new url more.
For the download link of from search records, obtaining, if remote download music file operation failure, the download link in the deletion unit records, execution in step S104 again.
Further, the present invention also provides a kind of music media information getting method, accomplishes obtaining of music media information automatically.This method comprises the steps:
S201: receive the music file operation requests;
S202: call music file, analyze wherein whether lack music media information;
S203:, utilize the key search storage unit relevant with music file if lack music media information;
S204: judge whether preserve the record corresponding in the storage unit with said key word;
S205:, obtain download link from search records if there be the search records corresponding with said key word;
S2051: use above-mentioned download link, the music media information of remote download music file;
S2052: the service recorder of new url more;
S206:, send retrieval request to server if do not exist;
S2061: receive and reply from the retrieval of server;
S2062: from retrieval is replied, obtain download link;
S2063: the music media information of remote download music file;
S2064: preserve and be linked to storage unit;
S207: the music media information of existing music media information and above-mentioned remote download in the integration music file;
S208: the music media information that complete music file is provided to terminal device.
If the record of this preservation is deleted in the failure of the music media information operating of above-mentioned steps S2051 medium-long range download music files, carry out step S204 again, judge whether preserve the record corresponding in the storage unit with said key word.
If the music media information operating of above-mentioned steps S2063 medium-long range download music files failure; Again carry out step S2062; Also do not have Downloadable link if the all-links during retrieval is replied has all traveled through, then existing music media information is provided to terminal device.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can utilize the method and the technology contents of above-mentioned announcement that technical scheme of the present invention is made possible change and modification, therefore, every content that does not break away from technical scheme of the present invention; To any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. a music media information getting method is characterized in that, comprising:
Receive the music file operation requests;
Obtain the music file corresponding with said operation requests;
Analyze the said music file that gets access to,, utilize the key search storage unit related with said music file if lack music media information in the said music file;
If have the search records corresponding in the storage unit, from said search records, obtain download link with said key word;
Utilize download link remote download music media information.
2. music media information getting method according to claim 1 is characterized in that, also comprises:
The music media information of existing music media information and above-mentioned remote download in the integration music file.
3. music media information getting method according to claim 1 is characterized in that, also comprises: the voice data in the playing music;
Voice data in the said playing music carries out with the said music file that gets access to of analysis synchronously.
4. music media information getting method according to claim 1 is characterized in that, the record in the said storage unit also comprises the access times field of download link and field service time recently.
5. like the said music media information getting method of claim 4, it is characterized in that, saidly obtain download link from search records and comprise:
If there are many search records corresponding with said key word in storage unit, the access times of the download link of relatively preserving in each record are chosen the maximum download link of access times.
6. like the said music media information getting method of claim 4, it is characterized in that, saidly obtain download link from search records and comprise:
If there are many search records corresponding with said key word in storage unit, the nearest service time of the download link of relatively preserving in each record, choose nearest download link service time.
7. like the said music media information getting method of claim 4, it is characterized in that, also comprise:
After downloading successfully, upgrade said access times field and nearest service time of field.
8. a car-mounted terminal comprises: input-output unit, file call unit, retrieval unit and transmission receiving element; It is characterized in that,
Said input-output unit is suitable for receiving the music file operation requests;
Said file call unit is suitable for receiving the operation requests from said input-output unit, obtains the music file corresponding with said operation requests, analyzes said music file, if lack music media information, sends retrieval request;
Said retrieval unit is suitable for according to the retrieval request that receives; Utilize the key search related to adapt to the storage unit of said car-mounted terminal with said music file; If have the search records corresponding in the storage unit, from said search records, obtain download link with said key word;
Said retrieval unit is suitable for utilizing said download link through said transmission receiving element remote download music media information.
9. like the said car-mounted terminal of claim 8, it is characterized in that, also comprise updating block;
Said updating block couples with said storage unit, transmission receiving element respectively, is suitable for the download link of storing in the said storage unit of regular update.
10. like the said car-mounted terminal of claim 8, it is characterized in that said retrieval unit comprises local retrieval unit and telereference unit;
Said local retrieval unit is suitable for receiving the retrieval request from said file call unit; Be suitable for utilizing the key search related to adapt to the storage unit of said car-mounted terminal,, from said search records, obtain download link if there be the search records corresponding in the said storage unit with said key word with said music file; Be suitable for when not having the search records corresponding in the storage unit with affiliated key word; Transmit retrieval request to said telereference unit; When being present in the search records of said key word correspondence in the storage unit, send network access request to said telereference unit;
Said telereference unit is suitable for sending retrieval request or network access request through said transmission receiving element to server.
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Application publication date: 20120606 |