CN102486779A - Subtitle generating method and player - Google Patents
Subtitle generating method and player Download PDFInfo
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- CN102486779A CN102486779A CN2010105711660A CN201010571166A CN102486779A CN 102486779 A CN102486779 A CN 102486779A CN 2010105711660 A CN2010105711660 A CN 2010105711660A CN 201010571166 A CN201010571166 A CN 201010571166A CN 102486779 A CN102486779 A CN 102486779A
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Abstract
The invention relates to a subtitle generating method, which comprises the following steps: acquiring keywords according to a playing file; searching a lyric file according to the keywords, and downloading the lyric file; converting the lyric file into a subtitle file; and displaying subtitles according to the subtitle file. According to the subtitle generating method and a player, through automatically acquiring the keywords, the lyric file is searched and downloaded according to the keywords, and the subtitle file automatically generates by converting the lyric file into the subtitle file, so that audios and videos are more convenient and faster to search and listen.
Description
[technical field]
The present invention relates to the media play technology, particularly relate to a kind of method for generating captions and player.
[background technology]
In traditional multimedia file playing process, generally also need show the captions that are complementary with the audio frequency of playing.The function of loading caption file is provided in traditional player; When user's play multimedia files; Can load the subtitle file of local storage; But, if the local corresponding subtitle file of multimedia file that does not have storage and user to be play then need obtain subtitle file through the mode of search download or software conversion.
Yet; Mode through search is downloaded is obtained lyrics file or the subtitle file that subtitle file refers to search download and multimedia file coupling; And with lyrics file process switching software generation subtitle file, its process is loaded down with trivial details, and needs the technical ability of specialty; In the mode of under effect, searching lyrics file or subtitle file and downloading through search engine; Usually need in the search information of magnanimity, search, can't realize the instant loading of user's subtitle file, and can't guarantee the complete errorless of this subtitle file.
[summary of the invention]
Based on this, be necessary to provide a kind of method for generating captions more easily.
In addition, also be necessary to provide a kind of player that uses above-mentioned method for generating captions.
A kind of method for generating captions may further comprise the steps: obtain key word according to played file; According to said keyword search lyrics file, and download said lyrics file; Convert said lyrics file into subtitle file; Show captions according to said subtitle file.
Preferably, also comprise after the step of the said lyrics file of said download: the step of when said lyrics file and said played file do not match, gathering the key word of importing.
Preferably, said step according to said keyword search lyrics file is: the lyrics file that search and said key word are complementary; From the lyrics file that is complementary with said key word, choose the highest lyrics file of frequency of utilization.
Preferably, the said step that converts said lyrics file into subtitle file is: resolve said lyrics file obtain time tag and with the corresponding lyrics of said time tag; According to said time tag is set the demonstration time in the subtitle file, and converts the lyrics of correspondence into caption content.
Preferably, said step according to subtitle file demonstration captions is: the reproduction time according to said played file extracts the demonstration time in the subtitle file; According to the corresponding caption content of said demonstration time showing.
Preferably, also comprise after the step of said demonstration and said corresponding captions of demonstration time: obtain the captions attribute, according to the display effect of said captions attribute adjustment captions.
A kind of player comprises at least: the key word acquisition module is used for obtaining key word according to played file; Search module is used for according to said keyword search lyrics file, and downloads said lyrics file; Modular converter is used for converting said lyrics file into subtitle file; Display module is used for showing captions according to said subtitle file.
Preferably, said key word acquisition module is further used for when said lyrics file and said played file do not match, gathering the key word of input.
Preferably, the lyrics file that the search of said search module and said key word are complementary is chosen the highest lyrics file of frequency of utilization from the lyrics file that is complementary with said key word.
Preferably, said modular converter comprises: resolution unit, be used to resolve said lyrics file obtain time tag and with the corresponding lyrics of said time tag; The captions generation unit is used for being provided with according to said time tag demonstration time of subtitle file, and converts the lyrics of correspondence into caption content.
Preferably, said display module is used for extracting according to the reproduction time of said played file the demonstration time of subtitle file, according to the corresponding caption content of said demonstration time showing.
Preferably, said modular converter also comprises: adjustment unit is used to obtain the captions attribute, according to the display effect of said captions attribute adjustment captions.
Above-mentioned method for generating captions and player are through obtain key word automatically; Carry out the search and the download of lyrics file according to this key word; Convert lyrics file to subtitle file, realized the automatic generation of subtitle file, it is more convenient, more convenient to make searching of audio & video listen.
[description of drawings]
Fig. 1 is the process flow diagram of a method for generating captions among the embodiment;
Fig. 2 is the process flow diagram of the method for generating captions among another embodiment;
Fig. 3 is the synoptic diagram of a player among the embodiment;
Fig. 4 is the synoptic diagram of modular converter among the embodiment.
[embodiment]
Fig. 1 shows the method flow that the captions among the embodiment generate, and may further comprise the steps:
In step S10, obtain key word according to played file.In the present embodiment, key word can be the filename of played file, also can be the cryptographic hash of played file.For example if the user in the played file of playing " ending the .avi that dies young of war " by name, if with the filename of this played file as key word, then will " the only .lrc that dies young of war " as key word.
In step S20, according to the keyword search lyrics file.In the present embodiment, be according to the step of keyword search lyrics file: the lyrics file that search and key word are complementary, from the lyrics file that is complementary with key word, choose the highest lyrics file of frequency of utilization.Particularly; The key word that gets access to is carried out the search of lyrics file as querying condition; Search procedure can be that the lyrics file of storing in the database is searched for, if fail in database, to search the lyrics file that is complementary with key word, then adopts the resource in the keyword search network.If from database, searched the lyrics file that is complementary with key word, and exist the lyrics file of a plurality of couplings, then choose the highest lyrics file of frequency of utilization and be downloaded to this locality.In a preferred embodiment, lyrics file is the lrc form.
The database that is used for the store lyrics file satisfies all lyrics file of user's needs; Satisfy the needed lyrics file of user after all fully and be do not allow readily accessible; Therefore, be the lyrics file in the database of enriching constantly, can the lyrics file that from network, searches be uploaded in the database; When making the search lyrics file like this, search the lyrics file that is complementary more easily.
Among another embodiment; Accuracy for the lyrics file that guarantees to be searched; The step of obtaining key word according to played file among the step S10 can be to obtain the step of the cryptographic hash of played file; Then stored lyrics file in the database and set up related with this lyrics file cryptographic hash (hash value) and corresponding played file cryptographic hash, in carrying out database, in the search procedure of lyrics file, obtained and the corresponding lyrics file of played file cryptographic hash according to the cryptographic hash association of being set up.For example; When playing the played file of " ending the .avi that dies young of war " by name; The cryptographic hash " H1 " of obtaining " .avi that dies young that ends war " played file is as the querying condition in the search procedure; In database, search the associated record about cryptographic hash " H1 ", when finding the cryptographic hash corresponding with cryptographic hash " H1 " for " H2 ", the download cryptographic hash is that the lyrics file of " H2 " arrives this locality.In this downloading process, no matter to have utilized for played file or lyrics file, its cryptographic hash all is this unique characteristic; In case know the cryptographic hash of played file; Can in database, search the association of having write down this cryptographic hash, and then obtain the cryptographic hash of the lyrics file that the cryptographic hash with played file is complementary, and download this lyrics file; Strengthened the accuracy of search, and also improved the search speed of lyrics file based on the search of cryptographic hash.
In step S30, convert lyrics file into subtitle file.In the present embodiment, load lyrics file,, therefore lyrics file is resolved and handled to generate corresponding subtitle file because lyrics file has all possessed certain form.Write down essential information in the lyrics file about the lyrics; For example title, author, duration, time tag and the lyrics etc.; Need these information be resolved identification for generating subtitle file; Thereby generation subtitle file, and preserve, so that can directly use the subtitle file that is generated when playing this played file once more.
Among another embodiment, above-mentioned method for generating captions has also comprised the step of when lyrics file and played file do not match, gathering the key word of input.In the present embodiment; For the key word avoiding getting access to is inaccurate, when lyrics file and played file do not match can through the user manually the method for input obtain key word, for example; For played file; Owing to there is not correctly to store the filename of this played file, to obtain the resulting key word of mode of key word be wrong to the filename through played file in this case, so can not search the result who wants; The key word that just can gather user's input this moment carries out the search of song files once more.
As shown in Figure 2, in a concrete embodiment, the step that converts lyrics file into subtitle file among the step S30 is:
In step S301, resolve lyrics file obtain time tag and with the corresponding lyrics of said time tag.In the present embodiment, the lyrics in the lyrics file show and time correlation, resolve in the lyrics file time tag and with the corresponding lyrics of this time tag; Lyrics can be corresponding a plurality of time tags, for example, the form of time tag can be [mm:ss] or [mm:ss.fff]; Wherein, Mm is the number of minutes, and ss is a second number, and fff is the millisecond number.
In step S302, according to time tag is set the demonstration time in the subtitle file, and converts the lyrics of correspondence into caption content.In the present embodiment, can confirm the zero-time of lyrics appearance corresponding and the time span of demonstration through time tag, for example with it; If time tag is [00:23.49]; Next time tag is [00:25.64], then for [00:23.49] the corresponding lyrics, the zero-time of appearance is 00:23.49; The time span that shows is 00:1.15; Be 00:25.64-00:23.49=00:1.15, then the demonstration time for captions then is that zero-time is 00:23.49, and time span is 00:1.15.The lyrics in the lyrics file can be used as the caption content in the subtitle file, therefore will convert caption content into the corresponding lyrics of time tag.
In step S40, show captions according to subtitle file.In the present embodiment, show that according to subtitle file the step of captions is according to the demonstration time in the reproduction time extraction subtitle file of played file, according to the caption content that shows that time showing is corresponding
The above-mentioned process that converts lyrics file into subtitle file in application process, can be after played file be play in conversion finish, and the broadcast of following played file shows caption content; Also can be in the process of playing; According to time shaft one by one extraction time label, obtain and this time tag corresponding demonstration time and caption content, and show; When to be finished, all caption content and demonstration time are preserved with the form of subtitle file.
In a preferred embodiment, obtain the captions attribute, adjust the step of the display effect of captions according to the captions attribute according to also comprising after the step that shows the caption content that time showing is corresponding.In the present embodiment, in the procedure for displaying of captions, can carry out the adjustment about the association attributes of captions, this attribute can be font size, captions color, captions transparency etc.
In the process that shows the caption content that time showing is corresponding, if the situation that the caption content that shows is made mistakes, can carry out the generative process of above-mentioned captions again, to obtain more satisfactory subtitle file.
In addition, also be necessary to provide a kind of player of using above-mentioned method for generating captions, as shown in Figure 3, this player comprises key word acquisition module 10, search module 20, modular converter 30 and display module 40.
Key word acquisition module 10 is used for obtaining key word according to played file.In the present embodiment, the key word that key word acquisition module 10 is obtained can be the filename of played file, also can be the cryptographic hash of played file.For example if the user in the played file of playing " ending the .avi that dies young of war " by name, if with the filename of played file as key word, then key word acquisition module 10 will " the only .lrc that dies young of war " as key word.
The database that is used for the store lyrics file satisfies all lyrics file of user's needs; Satisfy the needed lyrics file of user after all fully and be do not allow readily accessible; Therefore, be the lyrics file in the database of enriching constantly, can the lyrics file that from network, searches be uploaded in the database; When making the search lyrics file like this, search the lyrics file that is complementary more easily.
Among another embodiment; Accuracy for the lyrics file that guarantees to be searched; Key word acquisition module 10 obtains the cryptographic hash of played file; Search module 20 is used for the cryptographic hash search lyrics file according to this played file; Then stored lyrics file in the database and set up related with this lyrics file cryptographic hash (hash value) and corresponding played file cryptographic hash, carried out in the search procedure of lyrics file in the database, obtained corresponding lyrics file just with the played file cryptographic hash according to the association of being set up at search module 20.For example; When playing the played file of " ending the .avi that dies young of war " by name; Key word acquisition module 10 obtains the cryptographic hash " H1 " of " .avi that dies young that ends war " played file as the querying condition in the search procedure; Search module 20 is searched the associated record about cryptographic hash " H1 " in database, when finding the cryptographic hash corresponding with cryptographic hash " H1 " for " H2 ", the download cryptographic hash is that the lyrics file of " H2 " arrives this locality.In this downloading process, no matter to have utilized for played file or lyrics file, its cryptographic hash all is this unique characteristic; In case know the cryptographic hash of played file; Can in database, search the association of having write down this cryptographic hash, and then obtain the cryptographic hash of the lyrics file that the cryptographic hash with played file is complementary, and download this lyrics file; Strengthened the accuracy of search, and also improved the search speed of lyrics file based on the search of cryptographic hash.
Among another embodiment, the key word acquisition module 10 in the above-mentioned player is further used for when lyrics file and played file do not match, gathering the key word of input.In the present embodiment; For the key word avoiding getting access to is inaccurate, when lyrics file and played file do not match key word acquisition module 10 can through the user manually the method for input obtain key word, for example; For played file; Owing to there is not correctly to store the filename of this played file, to obtain the resulting key word of mode of key word be wrong to the filename through played file in this case, so can not search the result who wants; Key word acquisition module 10 just can be gathered the key word of user's input at this moment, carries out the search of song files once more.
As shown in Figure 4, in a concrete embodiment, modular converter 30 comprises resolution unit 310 and captions generation unit 320.
Above-mentioned player can finish after played file is play in middle conversion; And the broadcast of following played file shows caption content, also can be in the process of playing, carry out one by one the extraction time label according to time shaft; Obtain and this time tag corresponding demonstration time and caption content; And show, when to be finished, all caption content and demonstration time are preserved with the form of subtitle file.
Among other embodiment, modular converter also comprises adjustment unit.Adjustment unit is used to obtain the captions attribute, according to the display effect of captions attribute adjustment captions.In the present embodiment, adjustment unit can carry out the adjustment about the association attributes of captions in the procedure for displaying of captions, and this attribute can be font size, captions color, captions transparency etc.
In the above-mentioned method for generating captions, lyrics file refers to the file that the lyrics in the multimedia files such as song, film, dialogue are edited out according to the time sequencing that occurs successively, and its file layout usually is " lrc " form.Subtitle file refers to the file that player shows synchronously when multimedia files such as broadcast MV film (Music Video, MTV works), song, film.
Above-mentioned method for generating captions and player are through obtain key word automatically; Carry out the search and the download of lyrics file according to this key word; Convert lyrics file to subtitle file, realized the automatic generation of subtitle file, it is more convenient, more convenient to make searching of audio & video listen.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (12)
1. method for generating captions may further comprise the steps:
Obtain key word according to played file;
According to said keyword search lyrics file, and download said lyrics file;
Convert said lyrics file into subtitle file;
Show captions according to said subtitle file.
2. method for generating captions according to claim 1 is characterized in that, also comprises after the step of the said lyrics file of said download:
, said lyrics file and said played file gather the step of the key word of input when not matching.
3. method for generating captions according to claim 1 is characterized in that, said step according to said keyword search lyrics file is:
The lyrics file that search and said key word are complementary;
From the lyrics file that is complementary with said key word, choose the highest lyrics file of frequency of utilization.
4. method for generating captions according to claim 1 is characterized in that, the said step that converts said lyrics file into subtitle file is:
Resolve said lyrics file obtain time tag and with the corresponding lyrics of said time tag;
According to said time tag is set the demonstration time in the subtitle file, and converts the lyrics of correspondence into caption content.
5. method for generating captions according to claim 4 is characterized in that, said step according to subtitle file demonstration captions is:
Reproduction time according to said played file extracts the demonstration time in the subtitle file;
According to the corresponding caption content of said demonstration time showing.
6. method for generating captions according to claim 5 is characterized in that, also comprises after the step of said demonstration and said corresponding captions of demonstration time:
Obtain the captions attribute, according to the display effect of said captions attribute adjustment captions.
7. a player is characterized in that, comprises at least:
The key word acquisition module is used for obtaining key word according to played file;
Search module is used for according to said keyword search lyrics file, and downloads said lyrics file;
Modular converter is used for converting said lyrics file into subtitle file;
Display module is used for showing captions according to said subtitle file.
8. player according to claim 7 is characterized in that, said key word acquisition module is further used for when said lyrics file and said played file do not match, gathering the key word of input.
9. player according to claim 7 is characterized in that, the lyrics file that the search of said search module and said key word are complementary is chosen the highest lyrics file of frequency of utilization from the lyrics file that is complementary with said key word.
10. player according to claim 7 is characterized in that, said modular converter comprises:
Resolution unit, be used to resolve said lyrics file obtain time tag and with the corresponding lyrics of said time tag;
The captions generation unit is used for being provided with according to said time tag demonstration time of subtitle file, and converts the lyrics of correspondence into caption content.
11. player according to claim 10 is characterized in that, said display module is used for extracting according to the reproduction time of said played file the demonstration time of subtitle file, according to the corresponding caption content of said demonstration time showing.
12. player according to claim 11 is characterized in that, said modular converter also comprises:
Adjustment unit is used to obtain the captions attribute, according to the display effect of said captions attribute adjustment captions.
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| CN2010105711660A CN102486779A (en) | 2010-12-02 | 2010-12-02 | Subtitle generating method and player |
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| CN2010105711660A CN102486779A (en) | 2010-12-02 | 2010-12-02 | Subtitle generating method and player |
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| CN102486779A true CN102486779A (en) | 2012-06-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823861A (en) * | 2014-02-24 | 2014-05-28 | 百度在线网络技术（北京）有限公司 | Method, device and system for providing lyrics |
| CN103997661A (en) * | 2014-04-29 | 2014-08-20 | 四川长虹电器股份有限公司 | System and method for intelligent video and subtitle file adapting and downloading |
| CN104731929A (en) * | 2015-03-27 | 2015-06-24 | 北京畅游天下网络技术有限公司 | Song searching method and device |
| CN105068795A (en) * | 2015-07-20 | 2015-11-18 | 上海幻电信息科技有限公司 | Bullet screen effect-based development method and device |
| CN106021309A (en) * | 2016-05-05 | 2016-10-12 | 广州酷狗计算机科技有限公司 | Lyric display method and device |
| CN111510786A (en) * | 2020-04-20 | 2020-08-07 | 杭州趣维科技有限公司 | Method for automatically adding lyrics in video editing of mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312565A (en) * | 2007-05-25 | 2008-11-26 | 上海美通无线网络信息有限公司 | Method for synchronous lyrics browsing when playing music on mobile phone |
| CN101631168A (en) * | 2009-08-20 | 2010-01-20 | 深圳市五巨科技有限公司 | Method and device for searching and downloading lyrics by mobile terminal |
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- 2010-12-02 CN CN2010105711660A patent/CN102486779A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312565A (en) * | 2007-05-25 | 2008-11-26 | 上海美通无线网络信息有限公司 | Method for synchronous lyrics browsing when playing music on mobile phone |
| CN101631168A (en) * | 2009-08-20 | 2010-01-20 | 深圳市五巨科技有限公司 | Method and device for searching and downloading lyrics by mobile terminal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823861A (en) * | 2014-02-24 | 2014-05-28 | 百度在线网络技术（北京）有限公司 | Method, device and system for providing lyrics |
| CN103997661A (en) * | 2014-04-29 | 2014-08-20 | 四川长虹电器股份有限公司 | System and method for intelligent video and subtitle file adapting and downloading |
| CN104731929A (en) * | 2015-03-27 | 2015-06-24 | 北京畅游天下网络技术有限公司 | Song searching method and device |
| CN105068795A (en) * | 2015-07-20 | 2015-11-18 | 上海幻电信息科技有限公司 | Bullet screen effect-based development method and device |
| CN106021309A (en) * | 2016-05-05 | 2016-10-12 | 广州酷狗计算机科技有限公司 | Lyric display method and device |
| CN111510786A (en) * | 2020-04-20 | 2020-08-07 | 杭州趣维科技有限公司 | Method for automatically adding lyrics in video editing of mobile terminal |
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Application publication date: 20120606 |