CN103856831A - Sound and picture synchronizing device applied to interactive teaching system - Google Patents
Sound and picture synchronizing device applied to interactive teaching system Download PDFInfo
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- CN103856831A CN103856831A CN201210524957.7A CN201210524957A CN103856831A CN 103856831 A CN103856831 A CN 103856831A CN 201210524957 A CN201210524957 A CN 201210524957A CN 103856831 A CN103856831 A CN 103856831A
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Abstract
The invention discloses a sound and picture synchronizing device applied to an interactive teaching system. The sound and picture synchronizing device comprises a video division unit, an audio division unit, a synthesis unit and a manual adjusting unit. The video division unit evenly divides a video into small sections of the certain time length according to a time shaft. The audio division unit evenly divides a corresponding audio into small sections of the certain time length according to the time span, and the small sections of the audio are coincident with the small sections of the video in number. The synthesis unit plays the video/audio according to the normal schedule. Every time when the start of one small section is played, the start of the corresponding section of the audio/video begins to be played. The mode of adjusting one whole section is used in the playing process, and the schedule of the sections of the audio/video is adjusted manually. According to the sound and picture synchronizing device applied to the interactive teaching system, network transmission files can be compressed more effectively by dividing the video and the audio into the small sections of the certain time length, dependence on network bandwidth is weaker, and the sound and picture synchronizing device is particularly beneficial for transmitting related content in the network environment in a remote mode.
Description
Technical field
The present invention relates to a kind of sound that is applied to interactive education system and draw synchronizer.
Background technology
Existing classroom interaction system, be the sound collecting to be drawn to file compress together processing and format conversion processing, in a file or a transmission package, comprised Audio and Video information simultaneously, therefore common file is all larger, cause the delay in transmission.And sound is drawn to separately transmission of file, can produce again sound and draw nonsynchronous problem.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of sound that is applied to interactive education system of development is drawn synchronizer, comprises
Video cutter unit: video is divided into the segment of certain length by time shaft,
Audio frequency cutter unit: corresponding audio frequency is divided into the segment of certain length by time span, segment quantity is consistent with the segment quantity of described video;
Synthesis unit: described video/audio is play by normal progress, in the time often playing to a bit of beginning, corresponding audio/video one section is started to play in the time that section starts;
Manual adjustments unit: in the process of playing, use the mode of whole section of adjustment, manually the section progress of described audio/video is adjusted.
The length of described video/audio segment is at least 5 seconds.
Owing to having adopted technique scheme, a kind of sound that is applied to interactive education system provided by the invention is drawn synchronizer, by Audio and Video being cut into the segment of equivalent length, can more efficiently Internet Transmission file be compressed, interdependency to the network bandwidth is less, is particularly conducive at network environment medium-long range and transmits relevant content.
Brief description of the drawings
For the technical scheme of clearer explanation embodiments of the invention or prior art, introduce simply the accompanying drawing of required use in embodiment or description of the Prior Art being done to one below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is system module figure of the present invention.
Embodiment
For making object, technical scheme and the advantage of embodiments of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is known to complete description:
As shown in Figure 1: a kind of sound that is applied to interactive education system is drawn synchronizer, comprises
Video cutter unit: video is divided into the segment of certain length by time shaft,
Audio frequency cutter unit: corresponding audio frequency is divided into the segment of certain length by time span, segment quantity is consistent with the segment quantity of described video;
Synthesis unit: described video/audio is play by normal progress, in the time often playing to a bit of beginning, corresponding audio/video one section is started to play in the time that section starts;
Manual adjustments unit: in the process of playing, use the mode of whole section of adjustment, manually the section progress of described audio/video is adjusted.
The length of described video/audio segment is at least 5 seconds.
Owing to having adopted technique scheme, a kind of sound that is applied to interactive education system provided by the invention is drawn synchronizer, by Audio and Video being cut into the segment of equivalent length, can more efficiently Internet Transmission file be compressed, interdependency to the network bandwidth is less, is particularly conducive at network environment medium-long range and transmits relevant content.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (2)
1. the sound that is applied to interactive education system is drawn a synchronizer, comprises
Video cutter unit: video is divided into the segment of certain length by time shaft,
Audio frequency cutter unit: corresponding audio frequency is divided into the segment of certain length by time span, segment quantity is consistent with the segment quantity of described video;
Synthesis unit: described video/audio is play by normal progress, in the time often playing to a bit of beginning, corresponding audio/video one section is started to play in the time that section starts;
Manual adjustments unit: in the process of playing, use the mode of whole section of adjustment, manually the section progress of described audio/video is adjusted.
2. a kind of sound that is applied to interactive education system according to claim 1 is drawn synchronizer, is further characterized in that: the length of described video/audio segment is at least 5 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524957.7A CN103856831A (en) | 2012-12-07 | 2012-12-07 | Sound and picture synchronizing device applied to interactive teaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524957.7A CN103856831A (en) | 2012-12-07 | 2012-12-07 | Sound and picture synchronizing device applied to interactive teaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103856831A true CN103856831A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210524957.7A Pending CN103856831A (en) | 2012-12-07 | 2012-12-07 | Sound and picture synchronizing device applied to interactive teaching system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103856831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259762A (en) * | 2021-04-07 | 2021-08-13 | 广州虎牙科技有限公司 | Audio processing method and device, electronic equipment and computer readable storage medium |
-
2012
- 2012-12-07 CN CN201210524957.7A patent/CN103856831A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259762A (en) * | 2021-04-07 | 2021-08-13 | 广州虎牙科技有限公司 | Audio processing method and device, electronic equipment and computer readable storage medium |
| CN113259762B (en) * | 2021-04-07 | 2022-10-04 | 广州虎牙科技有限公司 | Audio processing method and device, electronic equipment and computer readable storage medium |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |