CN101789256A - Control method of audio/video player - Google Patents
Control method of audio/video player Download PDFInfo
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- CN101789256A CN101789256A CN 201010131433 CN201010131433A CN101789256A CN 101789256 A CN101789256 A CN 101789256A CN 201010131433 CN201010131433 CN 201010131433 CN 201010131433 A CN201010131433 A CN 201010131433A CN 101789256 A CN101789256 A CN 101789256A
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Abstract
The invention belongs to the technical field of multimedia processing and particularly relates to a control method of an audio/video player. Synchronous tags are inserted in a statement of a text object, and the time marked in the synchronous tags mutually corresponds to a data frame of the corresponding time in audio or audio/video. According to the time correspondence of the synchronous tags in the text statement and the data frame in the audio or audio/video, the mutual retrieving and positioning are realized, and finally the bidirectional retrieving and synchronous playing and displaying are realized. The control method can be used for mutual retrieving and positioning of the text statement and the audio or audio/video in equipment or software in need of bidirectional synchronization, and is applied in the fields like language teaching, music teaching, music playing and the like.
Description
Technical field
The invention belongs to the multimedia processing technology field, be specifically related to the synchronous broadcast controlling method of audio frequency and video and its corresponding text in the audio frequency and video playing process.
Background technology
In audio-video frequency playing system, relate to the synchronous playing problem of content of text and audio frequency or audio frequency and video.Existing audio-video frequency playing system is realized the method for synchronous of content of text and audio frequency or audio frequency and video, is included in the method for inserting time tag and retrieval service time in the text, is applied in broadcast of softwares such as MP3 and electronic product.Also have by super method of attachment, realize calling of audio frequency or audio frequency and video by content of text.The existing method of in text, inserting time tag and retrieval service time, mainly adopt joining day label before the corresponding sentence in text, the time of audio data frame when audio file is play of the corresponding respective statement of this label, time of arrival voice playing time label time the time, respective statement in this text shows synchronously, reaches the purpose of respective statement and audio sync.The method possesses skills simply, the synchronization accuracy advantage of higher, but can only realize statement in the text to audio frequency or audio frequency and video play right synchronously, can't by select statement in the text realize to corresponding audio frequency and video for statement in the text synchronously.
The hyperlink method is by adding label on text, label points to related audio or audio-video document, related audio or audio-video document when clicking text, have been called, this method is directly perceived, simple, but can only call audio-video document by text, and what call is whole audio-video document, can't reach the audio, video data frame for the respective statement in the text synchronously; Also can't realize in the text corresponding statement for respective audio or audio, video data frame synchronously.
Summary of the invention
Technical matters to be solved by this invention provides a kind of control method of audio/video player, it can realize that corresponding statement can be realized the synchronous playing of audio, video data frame for the respective statement in the text again for the synchronous playing of corresponding audio, video data frame in the text.
For solving the problems of the technologies described above, the invention provides the control method of audio/video player, carry out the audio frequency and video broadcast at playing object, described broadcast object comprises the text of audio-video document and this audio-video document correspondence, described audio-video document is continuous Frame, described text comprises some statements, and each described statement is marked with sync tag, and described sync tag is the reproduction time sequence of Frame in whole audio frequency and video order of this statement correspondence;
It is characterized in that described control method may further comprise the steps:
Step 1, judge whether into the acquiescence play mode, if then execution in step 2, otherwise, execution in step 3;
Step 2, carry out playing audio-video, and show the statement of corresponding text synchronously by the play mode under the prior art;
The locator meams of the reference position that step 3, selection text are play, if select cursor positioning, then execution in step 4, if select the keyboard read statement, then execution in step 5;
The statement of step 4, identification cursor position, execution in step 6;
Step 5, reception keyboard read statement;
Step 6, in described text, search the sync tag of described statement and this statement;
Step 7, in described audio-video document, find the indicated audio, video data frame of this sync tag;
Step 8, from this statement demonstration, and from the indicated audio, video data frame broadcast of this sync tag.
The present invention both realized corresponding statement in the text for corresponding audio, video data frame synchronously, can realize again the audio, video data frame for the respective statement in the text synchronously, be a kind of effective and simple and direct text sentence and the bi-directional synchronization control method for playing back of audio frequency and video object.The present invention can be used for text sentence and audio frequency or audio frequency and video and retrieves mutually and locate, and needs to be applied to fields such as language teaching, music teaching, music in the equipment or software of bi-directional synchronization.
Description of drawings
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is further described in detail.
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is the audio frequency and video Format Object.
Fig. 3 is the text object form.
Embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the control method process flow diagram that text and audio-video document bi-directional synchronization are play.
Fig. 2 is the structural drawing of audio frequency or audio-video document.
Fig. 3 is the text structural drawing.
Embodiment
Shown in figure 2,3, be a text of playing object of song " station " below, file is called " station .lrc ", and the audio file of text association is called " station .mp3 ".Related sync tag on each statement in " station .lrc " text, promptly the corresponding audio data frame of this statement resembles reproduction time sequence in the order at whole audio file, and is as the reproduction time in the square bracket, as follows:
[00:38.30][00:42.66][00:47.24][00:51.89][00:59.53][01:08.72][01:19.63][01:24.15][01:28.72][01:33.33][01:39.94][01:58.85][02:03.23][02:07.81][02:12.39][02:20.10][02:29.21][02:40.29][02:44.66][02:49.26][02:53.77][03:01.56][03:10.74][03:21.82][03:26.11][03:30.77][03:35.28][03:40.30]。
Player enters when beginning to play, and can select to give tacit consent to play mode still is the text preference pattern.Under the acquiescence play mode, player will carry out playing audio-video by the play mode under the prior art, and show the statement of corresponding text synchronously.Playing audio-video under the prior art comprises with broadcast, time-out, F.F., rewind down, stop button controls playing, perhaps adopts drag and drop playing progress bar shuffle.When displaying audio file " station .mp3 ", the synchronous mode that shows of text sentence that realizes audio frame is: the number of the Frame before the in progress Frame of real-time statistics, 299 Frames are arranged before being assumed to be, then present reproduction time is 300 frames * 0.26ms/ frame=78s, retrieve time mark in the text " station .lrc " again according to this time, [01:08.72] afterwards, [01:19.63] before, search complete.Text sentence " the platform limit sheet sheet sorrow of parting pours in me in the heart " between demonstration and these two labels of mark has been realized the synchronous of audio frequency and text words and phrases then.
If select the text preference pattern, then at first need to select the locator meams of the initial play position of text.The text preference pattern, promptly playing audio-fequency data frame on the basis of user's specify text statement makes audio data frame and user's specify text statement synchronous.User's specify text statement comprises cursor positioning or keyboard read statement dual mode:
A, cursor positioning mode, promptly the user passes through the instrument of mouse or keyboard type moving cursor, moving cursor on the text that text display shows, the statement at the place, destination of cursor is user's specify text statement.
B, keyboard read statement mode, promptly the user is by the statement in the direct input text file of keyboard, as user's specify text statement.
Under the cursor positioning mode, the statement of player identification cursor position, in described text, search the sync tag of described statement and this statement, in described audio-video document, find the indicated audio, video data frame of this sync tag, from this statement demonstration, and from the indicated audio, video data frame broadcast of this sync tag.For example, during " the bitter tears water droplet of departure falls " statement in text " station .lrc " of cursor indication, the statement of player identification cursor position is " the bitter tears water droplet of departure falls ", finds the preceding time synchronized mark of " the bitter tears water droplet of departure falls " and this statement in " station .lrc ".The time synchronized of " the bitter tears water droplet of departure falls " is labeled as [00:59.53], then conversing and playing start frame Frame number before in the corresponding audio files " station .mp3 " is 5953ms ÷ 26ms/ frame=228.96 frames, rounding is 229, promptly plays since the 229th Frame.
Under the keyboard read statement mode, player receives the keyboard read statement; In described text, search the sync tag of described statement and this statement, in described audio-video document, find the indicated audio, video data frame of this sync tag, from this statement demonstration, and from the indicated audio, video data frame broadcast of this sync tag.Concrete playing process and cursor positioning mode are similar, it will be understood by those skilled in the art that so repeat no more.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (1)
1. the control method of an audio/video player, carry out the audio frequency and video broadcast at playing object, described broadcast object comprises the text of audio-video document and this audio-video document correspondence, described audio-video document is continuous Frame, described text comprises some statements, each described statement is marked with sync tag, and described sync tag is the reproduction time sequence of Frame in whole audio frequency and video order of this statement correspondence;
It is characterized in that described control method may further comprise the steps:
Step 1, judge whether into the acquiescence play mode, if then execution in step 2, otherwise, execution in step 3;
Step 2, carry out playing audio-video, and show the statement of corresponding text synchronously by the play mode under the prior art;
The locator meams of the reference position that step 3, selection text are play, if select cursor positioning, then execution in step 4, if select the keyboard read statement, then execution in step 5;
The statement of step 4, identification cursor position, execution in step 6;
Step 5, reception keyboard read statement;
Step 6, in described text, search the sync tag of described statement and this statement;
Step 7, in described audio-video document, find the indicated audio, video data frame of this sync tag;
Step 8, from this statement demonstration, and from the indicated audio, video data frame broadcast of this sync tag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010131433 CN101789256A (en) | 2010-03-24 | 2010-03-24 | Control method of audio/video player |
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| CN 201010131433 CN101789256A (en) | 2010-03-24 | 2010-03-24 | Control method of audio/video player |
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| CN101789256A true CN101789256A (en) | 2010-07-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290081A (en) * | 2011-06-27 | 2011-12-21 | 深圳市基思瑞科技有限公司 | Language study play control method |
| CN103024576A (en) * | 2012-12-20 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method for positioning video playing time point |
| CN108806692A (en) * | 2018-05-29 | 2018-11-13 | 深圳市云凌泰泽网络科技有限公司 | A kind of audio content is searched and visualization playback method |
| CN108885869A (en) * | 2016-03-16 | 2018-11-23 | 索尼移动通讯有限公司 | The playback of audio data of the control comprising voice |
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| US20050193016A1 (en) * | 2004-02-17 | 2005-09-01 | Nicholas Seet | Generation of a media content database by correlating repeating media content in media streams |
| US20080027573A1 (en) * | 2006-07-25 | 2008-01-31 | Honda Motor Co., Ltd. | Audio apparatus |
| CN101131693A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区顺达电脑厂有限公司 | Music playing system and method thereof |
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2010
- 2010-03-24 CN CN 201010131433 patent/CN101789256A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050193016A1 (en) * | 2004-02-17 | 2005-09-01 | Nicholas Seet | Generation of a media content database by correlating repeating media content in media streams |
| US20080027573A1 (en) * | 2006-07-25 | 2008-01-31 | Honda Motor Co., Ltd. | Audio apparatus |
| CN101131693A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区顺达电脑厂有限公司 | Music playing system and method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290081A (en) * | 2011-06-27 | 2011-12-21 | 深圳市基思瑞科技有限公司 | Language study play control method |
| CN103024576A (en) * | 2012-12-20 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method for positioning video playing time point |
| CN108885869A (en) * | 2016-03-16 | 2018-11-23 | 索尼移动通讯有限公司 | The playback of audio data of the control comprising voice |
| CN108885869B (en) * | 2016-03-16 | 2023-07-18 | 索尼移动通讯有限公司 | Method, computing device, and medium for controlling playback of audio data containing speech |
| CN108806692A (en) * | 2018-05-29 | 2018-11-13 | 深圳市云凌泰泽网络科技有限公司 | A kind of audio content is searched and visualization playback method |
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