CN110012342A - A kind of method and system for recording micro- class video - Google Patents
A kind of method and system for recording micro- class video Download PDFInfo
- Publication number
- CN110012342A CN110012342A CN201810010582.XA CN201810010582A CN110012342A CN 110012342 A CN110012342 A CN 110012342A CN 201810010582 A CN201810010582 A CN 201810010582A CN 110012342 A CN110012342 A CN 110012342A
- Authority
- CN
- China
- Prior art keywords
- video
- pixel
- audio
- time point
- record
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract description 11
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 abstract 1
- 241001269238 Data Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention discloses a kind of method and system for recording micro- class video, mainly record the sound of explanation person, and record the coordinate of the pixel changed on screen and the time point of comparative audio.Effect of the time point display pixel point that matching audio plays when playing to coordinate position, when reduction acquisition is recorded.Of the invention is mainly used for recording micro- class video, hard-tipped pen calligraphical works teaching video.
Description
Technical field
With the development of internet online education industry, online teaching video can be more true on the sense organs such as auditory visual
Classroom-simulating teaching, the micro- class video growth requirement explained in particular for one of examination question or a knowledge point is vigorous.
The present invention is exactly a kind of video format provided for the micro- class video record in online education industry field.
Background technique
Existing video format is at the uniform velocity to show sequentially in time using every picture as a frame, therefore existing video is not
Only to store audio data will also store a large amount of image datas.This video format drain space is bigger, and what we needed
Micro- class video is mainly the explanation sound and displaying solution approach for recording teacher.Solution approach is ordered into and picture does not weigh simply
Multiple, the present invention is exactly to record the sound of linear dynamic occurs on picture pixel and lecturer.When playing according to audio text
The time point simultaneous display that part plays.Compared to the pixel that the existing way unit time records entire picture, unit of the present invention
Time only records newly-generated pixel, thus the present invention can reduce the scale of construction of video.
Summary of the invention
Purpose of design of the present invention is exactly the size in order to reduce video occupied space.Existing micro- class video record format example
Such as more hard drive spaces of mp4, rmvp, avi needs, transmission are also required to more network flow resources, long-term to occupy service
The disadvantages of device network channel source.The size for mainly reducing video during this video record during picture recording, is being recorded
During system in addition to record sound generates audio file, while it will record the coordinate position of newly-generated pixel and generation on screen
Time point is simultaneously stored as data in pixel file.By the time at the time point of each pixel and audio in playing process
Match, the pixel of successful match can be shown on the corresponding position of screen according to coordinate data, to restore the explanation of explanation person
Process.
Detailed description of the invention
Fig. 1 is video file and attribute.
Fig. 2 is pixel file and attribute.
Fig. 3 is video record process.
Fig. 4 is video display process.
Fig. 5 is video decoding function analyzing component pixel data process figure.
Specific embodiment
Below in conjunction with attached drawing, present invention is further described in detail.
It is video file shown in Fig. 1 comprising pixel file and audio file, the storage of pixel file is pixel data
Information, audio files storage be explanation person explain content recording.It is the essential attribute of pixel data shown in Fig. 2, wherein x
Coordinate, y-coordinate, generation time point are indispensable attributes, and coordinate attributes can determine the position of pixel in the plane.Generation time point
The time point that can be played with audio matches display, the effect of explanation person when being recorded with restoring.Fig. 3 is the recording process of video,
After explanation person's click starts, the sound of explanation person, which can be recorded in audio file, to be saved.Video acquisition tool can be collected constantly
The time point of pixel coordinate and audio recording caused by the written contents of explanation person stores as data into pixel file.
After explanation person terminates recording, audio file and pixel file can be packaged into a file and be stored in hard disk, we are at this
In be referred to as video file.As shown in figure 4, video display process, first video council obtain audio file and picture by automatic decompression
Plain file.Audio decoder component can read audio and play sound, and pixel decoding function component can read Pixel Information and compare
Audio presentation time parameter is shown to UI(software interface) on.As Fig. 5 illustrates the mistake of pixel decoding function display pixel in detail
Journey is judged whether the time point for seeing that pixel generates is synchronous with audio broadcasting, if it is synchronization after obtaining pixel data first
State is then shown on software interface, and circulation is entered if asynchronous and is waited until simultaneous display, when all pixels all
Video playing terminates after the completion of display.
Claims (3)
1. video visual part is the pixel reduction with acquisition.
2. pixel number is according to including x coordinate attribute and y-coordinate attribute, for determining the position of pixel in the plane.
3. pixel number restores recording result for audio-visual synchronization according to including its generation time point attribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010582.XA CN110012342A (en) | 2018-01-05 | 2018-01-05 | A kind of method and system for recording micro- class video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010582.XA CN110012342A (en) | 2018-01-05 | 2018-01-05 | A kind of method and system for recording micro- class video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110012342A true CN110012342A (en) | 2019-07-12 |
Family
ID=67164489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810010582.XA Pending CN110012342A (en) | 2018-01-05 | 2018-01-05 | A kind of method and system for recording micro- class video |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110012342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798638A (en) * | 2019-10-30 | 2020-02-14 | 深圳市闪联信息技术有限公司 | Electronic whiteboard and picture storage and backtracking method based on time axis |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679123A (en) * | 2016-04-07 | 2016-06-15 | 广州市吉星信息科技有限公司 | Micro class recording method and device |
| CN106898170A (en) * | 2017-04-21 | 2017-06-27 | 杭州狮说教育科技有限公司 | Key to the exercises teaching method based on voice and digiboard book synchronized playback |
-
2018
- 2018-01-05 CN CN201810010582.XA patent/CN110012342A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679123A (en) * | 2016-04-07 | 2016-06-15 | 广州市吉星信息科技有限公司 | Micro class recording method and device |
| CN106898170A (en) * | 2017-04-21 | 2017-06-27 | 杭州狮说教育科技有限公司 | Key to the exercises teaching method based on voice and digiboard book synchronized playback |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798638A (en) * | 2019-10-30 | 2020-02-14 | 深圳市闪联信息技术有限公司 | Electronic whiteboard and picture storage and backtracking method based on time axis |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190712 |
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| WD01 | Invention patent application deemed withdrawn after publication |