CN1221906C - Method and system for downloading digital music - Google Patents
Method and system for downloading digital music Download PDFInfo
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- CN1221906C CN1221906C CN 00111630 CN00111630A CN1221906C CN 1221906 C CN1221906 C CN 1221906C CN 00111630 CN00111630 CN 00111630 CN 00111630 A CN00111630 A CN 00111630A CN 1221906 C CN1221906 C CN 1221906C
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Abstract
The present invention relates to a method of downloading digital music. The method at least comprises that a digital music player is connected to a digital music index database on a network, and at least one digital music index list is downloaded to the digital music player from the digital music index database; the digital music player is operated, and a part of digital music index list is selected to form an inventory of digital music to be downloaded; the digital music player is operated to download the digital music from the network to the digital music player. A system used for downloading digital music comprises a network database website, a digital music player and a special connecting device.
Description
Technical field
The present invention relates to a kind of method and system of downloading digital music.Be particularly related to a kind of by on network, presetting digital music indexing information storehouse, the operation of simplification digital music player; And when the computer off-line, music player can be according to the Numerical Index data method and system of the digital music on the download network optionally.
Background technology
Along with development of technology, digital music (dgital music) is a product quite popular in present internet (internet) and the consumption electronic products, and wherein popular with audio compression and the storage standard of being formulated according to worker SO/IEC11172-3 (MP3).Many related web sites and playout software are arranged on network, the MP3 player of special broadcast MP3 music is also arranged.
With regard to existing technology and environment for use,, and be the route of transmission with the network owing to mostly digital music is to be stored in the website.Therefore, as shown in Figure 1, the user is if will seek and download the digital music of being wanted, must earlier digital music player 11 be connected to network 13 by computer 12, seek the digital music of being wanted by modes such as search engines again, again the digital music that finds is downloaded at last computer 12 from residing website 14 and change and be stored into the digital music player 11.
By the brief introduction of front as can be seen, existing mode of operation not only causes the use of digital music must rely on computer, make the user not have computer just can't enjoy digital music, and since computer be not aim at seek with downloading digital music designed, therefore the user also must have certain computer knowledge and network technical ability, otherwise seek and the download numeral, music will become the thing of trouble even difficulty.In other words, existing mode of operation will limit the market development of digital music.An example that has an economic benefit is so-called music selling machine, must pass through computer if obtain digital music, particularly existing PC, and then peddling of music can't be universal as vending machine.
Obviously, if the process that can allow the user obtain digital music does not rely on computer, that is to say and directly to obtain desired digital music from network that then the market of digital music can increase significantly with digital music player.Therefore new downloading digital music just becomes the field that need develop to the method and system of digital music player.
Summary of the invention
Fundamental purpose of the present invention is to propose a kind of process that can simplify the user from network searching and download needed number music, and reduces the method and system of required time.
Another object of the present invention is when the user is provided at the computer off-line, and music player can be according to indexing information with the digital music on the download network optionally.
Purpose of the present invention also comprises providing and can be used for peddling the system of music and relevant method of operating.
In order to finish the above purpose, the present invention is achieved through the following technical solutions:
A kind of method of downloading digital music, this method comprises at least:
One digital music player is connected to a digital music indexing information storehouse that is positioned on the network with a special-purpose connection device, this digital music indexing information storehouse comprises several digital audio index tables at least, and each digital music concordance list all comprises the indexing information of some first digital musics at least;
Download at least one digital music concordance list to this digital music player from this digital music indexing information storehouse;
This digital music player forms one according to selected part digital music concordance list and desires the downloading digital music inventory; And
This digital music player is again according to this digital music inventory, from these digital musics of this network download to this digital music player.
Above-mentioned digital music comprises the MP3 that is formulated according to ISO/IEC 11172-3 at least.
Described special-purpose connection device comprises a computer that relevant software kit is housed at least and connects this digital music player to this network, or
At least comprise an automatic music vending machine and connect this digital music player to this network.
Above-mentioned special-purpose connection device contains one first link and one second link at least, this first link is to be used to connect this special use connection device and this digital music player, and this second link is to be used for connecting this special use connection device and this digital music indexing information storehouse.
The indexing information that wherein corresponds to certain ancient digital music is to be written in the audio file that corresponds to this head digital music.
Wherein above-mentioned indexing information comprises the specific name of this digital music at least and at least one can be from a path of this this digital music of network download.
Wherein the path of every first digital music is to be used to refer to one of this head digital music to store network address.
Wherein the indexing information of every first digital music comprises the title of this digital music at least.
Wherein the indexing information of every first digital music comprises the singer of this digital music at least.
Wherein the indexing information of every first digital music comprises the lyrics of this digital music at least.
Wherein the indexing information of every first digital music comprises the music score of this digital music at least.
Also be included in this digital music concordance list download finish after, with this digital music player and this internet off-line.
The digital music that wherein above-mentioned desire is downloaded do not need with this digital music indexing information warehouse compartment in same website.
When also being included in, also download other digital music concordance list from this digital music data storehouse from digital music that this desire of network download is downloaded.
A kind of system of downloading digital music, this system comprises:
Be positioned at the data bank website on the network, this data bank website has a digital music indexing information storehouse at least, this digital music indexing information storehouse comprises a plurality of digital music concordance lists at least, and each digital music concordance list comprises the indexing information of how first digital music at least;
One digital music player, this digital music player have at least by a special-purpose connection device connect digital music player to this data bank website to download the function of a plurality of digital music concordance lists, this digital music player also has selection portion and divides digital audio index table to download the function of digital inventory to set up a desire, and connect digital music player to the function of network with the digital music downloading desire and download by special-purpose connection device, and
One special-purpose connection device, this special use connection device is to be used for connecting data bank website and digital music player.
Above-mentioned network comprises Intranet at least.
Above-mentioned network comprises the internet at least.
Above-mentioned data bank website also comprises a digital music searcher, and this digital music searcher is to be used for search how first digital music in a plurality of websites on network automatically, and sets up the indexing information that is somebody's turn to do how first digital music that searches.
Above-mentioned digital music comprises the MP3 that formulates according to ISO/IEC11172-3 at least.
Above-mentioned special-purpose connection device comprises one first link and one second link at least, and this first link is to be used for connecting special-purpose connection device and digital music player, and second link then is to be used for connecting special-purpose connection device and network or data bank website.
Above-mentioned special-purpose connection device comprises computer at least.
The indexing information that wherein corresponds to certain first digital music is to be written in the audio file that corresponds to this head digital music.
Above-mentioned digital music indexing information comprises the storage network address of this digital music at least.
Above-mentioned digital music indexing information comprises title, singer, the lyrics and the music score of this digital music at least.
Above-mentioned digital music player also comprises a screen, is used for showing the content of this digital music concordance list.
A kind of with MP3 player editor and download the method for needed MP3 music, this method comprises at least:
One MP3 player is connected to a MP3 library music website;
This MP3 player editor chooses a needed MP3 music information;
When this selected MP3 music information is not present in this MP3 player, or when being present in this MP3 music information and must upgrading, then download this MP3 music information to this MP3 player from this MP3 library music website;
With this MP3 player editor MP3 music information, choose needed a plurality of MP3 music, and
When needed a plurality of MP3 music also not all are present in this MP3 player, according to these MP3 music informations, from the needed MP3 music of a network download.
Also comprise after the MP3 music information downloads to the MP3 player, download another MP3 music information from MP3 library music website again.
Also comprise after the MP3 music has downloaded to the MP3 player, again from another MP3 music of network download.Also be included in download one to download the MP3 music after, this MP3 player determines to also have enough storage areas to download the music that other will be downloaded again earlier, and when this MP3 player does not have enough storage areas, delete in this MP3 player unwanted MP3 music to expand the storage area of this MP3 player.
Above-mentioned MP3 music information comprises a specific name and a path of MP3 music at least.
This path of wherein every first MP3 music is to be used to refer to one of this first place music to store network address.
Also be included under the off-line state, this MP3 player edit selection part MP3 music information is set up a desire and is downloaded MP3 music inventory.
Be elaborated below in conjunction with drawings and Examples:
Description of drawings
Fig. 1 is the synoptic diagram of existing network download digital music to the digital music player process.
Fig. 2 is the method flow synoptic diagram of the embodiment of the invention 1 proposition from the network download digital music to digital music player.
Fig. 3 is the system basic framework figures of the embodiment of the invention 2 propositions from the network download digital music to digital music player.
Fig. 4 is the embodiment of the invention 2 digital music player basic framework figure.
Fig. 5 A, Fig. 5 B are the MP3 player editor that proposed of embodiments of the invention 3 and the method flow synoptic diagram of downloading required MP3 music.
Embodiment
At first, shown in link block 21, digital music player is connected to the digital music indexing information storehouse that is positioned at certain website on the network (or certain servomechanism (sever)), in this digital music indexing information storehouse, comprise a plurality of digital music concordance lists at least, and each digital music concordance list all comprises the indexing information of how first digital music at least.
Connecting digital music player comprises at least with the approach of network: general computer is connected digital music player to network, and uses special-purpose connection device to connect digital music player to network.Wherein, so-called special-purpose connection device comprises one first link and one second link at least, first link is to be used for connecting this special use connection device and this digital music player, and second link then is to be used for connecting this special use connection device and network or data bank.What is particularly worth mentioning is that, so can not have the necessary parts of computer such as keyboard, display and disk because this special-purpose connection device only is used for connection and digital music player and network.
Shown in link block 22, download at least one digital music concordance list to this digital music player from digital music indexing information storehouse.It must be noted that, the indexing information that corresponds to certain first digital music is to be written in the audio file that corresponds to this head digital music, and that so-called indexing information comprises at least is one of following: the path of digital music, title, singer, the lyrics and music score, and also this path is the storage network address that is used to refer to this head digital music.Therefore the user can be directly selects the digital music that will download according to the digital music concordance list of being downloaded, and does not need first down-load music to remake screening.Because digital music indexing information storehouse is preprepared, therefore can save user's search time in addition.And owing to comprised the path of digital music in the indexing information, therefore in downloading process subsequently, the user need not get final product and only need directly to be connected to the website and direct download that store this digital music according to this path in the enterprising line search action of network.
As download shown in the digital music checklist module 23, the operand word music player is desired the downloading digital music inventory by edit one according to the content of the digital music concordance list of being downloaded.Must be noted that this digital music player does not need and network connectivity, that is to say that the user can be at its when and where easily, directly at the enterprising edlin of digital music player.In other words, this method can the digital music concordance list download finish after, earlier with digital music player and internet off-line, after desiring downloading digital music inventory editor and finishing, more again with network connectivity to carry out the program of downloading digital music.
At last, as obtain shown in the digital music module 24, the operand word music player, desire digital music on the downloading digital music inventory to this digital music player from network download, at this moment, be included in the digital music path in the indexing information, can be used for allowing the user in the downloading digital music process, do not needed to carry out hunting action and only need directly to be connected to the website that stores this digital music and directly download required digital music and get final product according to this path.In addition, the digital music downloaded of desire do not need with digital music indexing information warehouse compartment in same website.Simultaneously, when the digital music of downloading from this desire of network download (or afterwards), also can download other digital music concordance list from digital music indexing information storehouse again, required when screening digital music subsequently.
Can find out by the above, the invention provides the digital music player user and to network, obtain the good digital music indexing information of foundation in advance by special-purpose connection device (not necessarily computer) earlier, select desired numerical data according to the data searching of being downloaded then, download the method for selected digital music at last again.Because the digital music indexing information is to set up in advance, person's search therefore capable of reducing using is distributed in the time (search engine all needn't use) of the digital music in the network; And because special-purpose connection device computer (also can be certain software kit on the computer) not necessarily, therefore the needed computer skill of user can reduce (or even not needing) significantly, makes the easier digital music resource that obtains on the network of user.Moreover because this method can allow the user not need just to obtain desired network digital music sources by computer, so this method is to be applied to the invention that vending machine is peddled music.
Another embodiment of the present invention is a kind of system from the network download digital music to digital music player, the basic framework of this system comprises as shown in Figure 3 at least: be positioned at data bank website 31, digital music broadcast 32 and connection device 33 on the network 30.At least comprise the MP3 that formulates according to ISO/IEC11172-3 at this digital music, network 30 then comprises Intranet (intranet) and internet (internet) at least.
This digital music indexing information certainly is to use such as the form of common business softwares such as WORD and ACCESS storedly, and then settles the software of the data that reads on digital music player 32.In any case, for the structure of simplifying digital music player 32, reduce cost and improve user's convenience, also can utilize the audio file feature of digital music, the digital music indexing information is stored in the part of non-direct record digital music in the audio file, makes that reading the digital music indexing information can use identical media and mechanism with playback digital music.
Be example with present most popular MP3 below, illustrate how the digital music indexing information is stored in the audio file.The audio file of MP3 is made up of a plurality of hardwoods, each hardwood all has the header structure that contains 4byte, whether and this hardwood is provided in header structure is the audio file of ISO/IEC11172-3 form and message such as the sampling frequency that is adopted when recording and sound effect, can calculate the length of each hardwood according to the message that header structure provided.Because player just can be play the MP3 music that is recorded in the hardwood after must finding synchronous character (syncword) with the beginning of determining hardwood earlier, therefore the message of message that occurs before character synchronously and appearance after hardwood finishes can not have influence on the broadcast of MP3 music.In other words, can in the audio file of MP3, add needed indexing information, and these indexing informations can be concentrated and place or be dispersed between hardwood and the hardwood.
Subsidiary one what carry is that the indexing information of every first digital music is to be written in the audio file that corresponds to this digital music.And so-called digital music indexing information comprises the storage network address of digital music at least, and can further comprise the title of digital music, the singer of digital music, the lyrics of digital music or the music score of digital music.
As shown in Figure 4, the structure of digital music player 32 has the following units at least: network element 41 is used for connecting digital music player 32 and logins (log in), withdraws from (logout) and download actions such as (download) with network 30 and execution; Edit cell 42 is used for editing the digital music concordance list that is stored in the digital music player 32 and desires the downloading digital music inventory to set up; Broadcast unit 43 is used for playing the digital music that is stored in the digital music player 32.In addition, digital music player 32 also comprises fluorescent screen 44 and storage element 45, the content that fluorescent screen 44 can display digit audio index table, and storage element 45 then can be used to store digital music concordance list and the digital music of being downloaded.Clearly, when fluorescent screen 44 was used to the lyrics of display digit music, digital music player 32 just can be used as Karaoke and uses.
Special-purpose connection device 33 comprises one first link and one second link at least, this first link is that to be used for connecting this special use connection device 33 be to be used for connecting this special use connection device 33 and network 30 (particularly the data bank website 31) with digital music player 32, the second links.The possible kind of special-purpose connection device 33 comprises computer at least.
In any case,, therefore can not have the necessary parts of computer such as keyboard, display and disk because special-purpose connection device 33 only is to be used for connecting digital music player 32 and network 30.As long as add the function of charge, special-purpose connection device 33 just can be used as so-called music and peddles device, make the consumer as long as just can obtain required digital music whenever and wherever possible by this music selling machine, and be not limited to pass through computer, in other words, the invention provides a kind of system that can be used for peddling music.
Embodiments of the invention 3 are a kind of with MP3 player editor and download the method for needed MP3 music, are concrete example application of the present invention.Schematic flow sheet shown in Fig. 5 A and Fig. 5 B.This method is to start from beginning module 50 and end at and finish module 512, on behalf of the user, wherein begin module 50 will begin to obtain needed MP3 music by the MP3 player, the function that finishes module 512 then to represent the user to obtain needed MP3 music and can play, the basic framework of present embodiment is as described below.
Shown in link block 501, the user must be connected to the MP3 player one MP3 library music website.Then as choosing shown in the module 502, the user choose the MP3 player by operation and from then on MP3 library music website obtain needed MP3 music information.Next judge replicated blocks 503, judgement update module 505 is chosen shown in MP3 music information module 504 threes with download, in the selected MP3 music information of user, be not present in the MP3 player, the MP3 music information that perhaps is present in the ratio MP3 library music website in the MP3 player is old, and must upgrade the time, download selected MP3 music information to the MP3 player from MP3 library music website. for another example shown in the editor module 507, the MP3 music information of being downloaded with MP3 player editor, choose needed a plurality of MP3 music, and set up the routing table of these MP3 music.With user in the prior art is to edit at computer to compare, and this is an obvious characteristics.Certain existing MP3 player is as CD Player, has the function that editor desires the playing back music playing list, but the so-called editting function of this method is meant the reference of editor MP3 music, by in step subsequently according to edited data, the routing table of each MP3 of downloading of desire particularly, from network download MP3 music, be not meant that merely editor desires the playing back music playing list.At last, as judging download module 508 and downloading shown in the MP3 module 509, when needed MP3 music is not present in this MP3 player, according to MP3 music information from network download, from the needed MP3 music of network download to the MP3 player.
Certainly, this method also can comprise shown in the continuous download MP3 music information module 506, after the MP3 music information has downloaded to the MP3 player, downloads other MP3 music information from MP3 library music website again.This method also can comprise as continuous download MP3 music module 510 with shown in definite storage area module 511 again, after having downloaded the first MP3 music that will download, determine that earlier the MP3 player also has enough storage areas, download the music that other will be downloaded again, and when not having enough spaces, unwanted MP3 music is to expand the storage area of MP3 player in the deletion MP3 of the elder generation player.
Above-described is preferred embodiment of the present invention only, is not in order to limit protection scope of the present invention, all not breaking away from improvement or the replacement of being finished under the disclosed spirit, all should belong to protection scope of the present invention.
Claims (26)
1. the method for a downloading digital music, this method comprises at least:
One digital music player is connected to a digital music indexing information storehouse that is positioned on the network with a special-purpose connection device, this digital music indexing information storehouse comprises several digital audio index tables at least, and each digital music concordance list all comprises the indexing information of some first digital musics at least; Download at least one digital music concordance list to this digital music player from this digital music indexing information storehouse;
This digital music player forms one according to selected part digital music concordance list and desires the downloading digital music inventory; And
This digital music player is again according to this digital music inventory, from these digital musics of this network download to this digital music player.
2. the method for downloading digital music according to claim 1, it is characterized in that: above-mentioned digital music comprises the MP3 that is formulated according to ISO/IEC 11172-3 at least.
3. the method for downloading digital music according to claim 1, it is characterized in that: described special-purpose connection device comprises a computer that relevant software kit is housed at least and connects this digital music player to this network.
4. the method for downloading digital music according to claim 1, it is characterized in that: described special-purpose connection device comprises an automatic music vending machine at least and connects this digital music player to this network.
5. according to the method for claim 1 or 3 or 4 described downloading digital musics, it is characterized in that: above-mentioned special-purpose connection device comprises one first link and one second link at least, this first link is to be used to connect this special use connection device and this digital music player, and this second link is to be used for connecting this special use connection device and this digital music indexing information storehouse.
6. the method for downloading digital music according to claim 1, it is characterized in that: the indexing information that wherein corresponds to certain first digital music is to be written in the audio file that corresponds to this head digital music.
7. the method for downloading digital music according to claim 1 is characterized in that: wherein above-mentioned indexing information comprises the specific name of this digital music at least and at least one can be from a path of this this digital music of network download.
8. the method for downloading digital music according to claim 1 is characterized in that: wherein the path of every first digital music is to be used to refer to one of this head digital music to store network address.
9. the method for downloading digital music according to claim 1, it is characterized in that: wherein the indexing information of every first digital music comprises the title of this digital music at least.
10. the method for downloading digital music according to claim 1, it is characterized in that: wherein the indexing information of every first digital music comprises the singer of this digital music at least.
11. the method for downloading digital music according to claim 1 is characterized in that: wherein the indexing information of every first digital music comprises the lyrics of this digital music at least.
12. the method for downloading digital music according to claim 1 is characterized in that: wherein the indexing information of every first digital music comprises the music score of this digital music at least.
13. the method for downloading digital music according to claim 1 is characterized in that: also be included in this digital music concordance list download finish after, with this digital music player and this internet off-line.
14. the method for downloading digital music according to claim 1 is characterized in that: the digital music that wherein above-mentioned desire is downloaded do not need with this digital music indexing information warehouse compartment in same website.
15. the method for downloading digital music according to claim 1 is characterized in that: when also being included in, also download other digital music concordance list from this digital music data storehouse from digital music that this desire of network download is downloaded.
16. the system of a downloading digital music, this system comprises:
Be positioned at the data bank website on the network, this data bank website has a digital music indexing information storehouse at least, this digital music indexing information storehouse comprises a plurality of digital music concordance lists at least, and each digital music concordance list comprises the indexing information of how first digital music at least;
One digital music player, this digital music player have at least by a special-purpose connection device connect digital music player to this data bank website to download the function of a plurality of digital music concordance lists, this digital music player also has selection portion and divides digital audio index table to download the function of digital inventory to set up a desire, and connect digital music player to the function of network with the digital music downloading desire and download by special-purpose connection device, and
One special-purpose connection device, this special use connection device is to be used for connecting data bank website and digital music player.
17. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned network comprises Intranet at least.
18. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned network comprises the internet at least.
19. the system of downloading digital music according to claim 16, it is characterized in that: above-mentioned data bank website also comprises a digital music searcher, this digital music searcher is to be used for search how first digital music in a plurality of websites on network automatically, and sets up the indexing information that is somebody's turn to do how first digital music that searches.
20. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned digital music comprises the MP3 that formulates according to ISO/IEC11172-3 at least.
21. the system of downloading digital music according to claim 16, it is characterized in that: above-mentioned special-purpose connection device comprises one first link and one second link at least, this first link is to be used for connecting special-purpose connection device and digital music player, and second link then is to be used for connecting special-purpose connection device and network or data bank website.
22. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned special-purpose connection device comprises computer at least.
23. the system of downloading digital music according to claim 16 is characterized in that: the indexing information that wherein corresponds to certain first digital music is to be written in the audio file that corresponds to this head digital music.
24. the system of the described downloading digital music of root claim 16 is characterized in that: above-mentioned digital music indexing information comprises the storage network address of this digital music at least.
25. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned digital music indexing information comprises title, singer, the lyrics and the music score of this digital music at least.
26. the system of downloading digital music according to claim 16 is characterized in that: above-mentioned digital music player also comprises a screen, is used for showing the content of this digital music concordance list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00111630 CN1221906C (en) | 2000-01-28 | 2000-01-28 | Method and system for downloading digital music |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00111630 CN1221906C (en) | 2000-01-28 | 2000-01-28 | Method and system for downloading digital music |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1319809A CN1319809A (en) | 2001-10-31 |
| CN1221906C true CN1221906C (en) | 2005-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00111630 Expired - Fee Related CN1221906C (en) | 2000-01-28 | 2000-01-28 | Method and system for downloading digital music |
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| CN (1) | CN1221906C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7308489B2 (en) * | 2003-05-29 | 2007-12-11 | Intel Corporation | Visibility of media contents of UPnP media servers and initiating rendering via file system user interface |
| CN102103881A (en) * | 2009-12-18 | 2011-06-22 | 上海九番科技发展有限公司 | Moving picture experts group audio layer-3 (MP3) music player with 3rd generation (3G) module and playing method thereof |
| US8225206B2 (en) * | 2010-02-22 | 2012-07-17 | Robert Bosch Gmbh | User preference based collecting of music content |
| CN101860855A (en) * | 2010-06-17 | 2010-10-13 | 深圳市五巨科技有限公司 | Method and device for downloading ringtone to mobile terminal |
| CN102291375B (en) * | 2010-06-18 | 2015-07-15 | 上海博泰悦臻电子设备制造有限公司 | System and method for providing music file and music information |
| CN101909076A (en) * | 2010-06-25 | 2010-12-08 | 深圳市五巨科技有限公司 | Mobile terminal and video downloading method thereof |
| CN106446259A (en) * | 2016-10-17 | 2017-02-22 | 捷开通讯(深圳)有限公司 | Audio playing device and method thereof for automatically downloading music |
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2000
- 2000-01-28 CN CN 00111630 patent/CN1221906C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1319809A (en) | 2001-10-31 |
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