Method for realizing collection and edition of multi-channel signals

A signal and signal switching technology, applied in image communication, color TV components, TV system components, etc., can solve problems such as low accuracy, low signal acquisition and editing efficiency, and inability to fine-tune editing, to improve time Accuracy rate and the effect of improving the efficiency of editing and editing

Inactive Publication Date: 2012-08-22
CHINA DIGITAL VIDEO BEIJING
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Problems solved by technology

[0005] (1) Only a single channel can be used for signal acquisition and editing, and the efficiency of signal acqui

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  • Method for realizing collection and edition of multi-channel signals
  • Method for realizing collection and edition of multi-channel signals
  • Method for realizing collection and edition of multi-channel signals

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on this The embodiments in the invention, and all other embodiments obtained by persons of ordinary skill in the art without creative effort, all belong to the scope of protection of the present invention.

[0024] Embodiment 1 of the present invention provides a method for realizing multi-channel signal acquisition and editing. The realization process is as follows: figure 1 As shown, specifically:

[0025] Step S101: Receive at least two acquisition signals and generate corresponding signal material files.

[0026] Step S102: Detect whether there is a switching signal sent by the switching station.

[0027] Step S103: After detecting the switching...

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Abstract

The invention discloses a method for realizing collection and edition of multi-channel signals. The method comprises receiving signals collected from at least two channels and generating corresponding signal material files; determining whether a switch signal transmitted by a switch station is present; analyzing the switch signal when the switch signal is detected; obtaining the file serial number of the current material file carried by the switch signal; integrating the file serial numbers according to the sequence of time codes to generate an edit decision list (EDL); intercepting corresponding signal material filter according to the EDL, and downloading the signal material filter to a storyboard to obtain a plurality of material file segments of the at least two signals; and packing up the storyboard to files, and outputting the files. The method provided by the invention can simultaneously collect and edit signals in the recording mode by using the plurality of channels to improve the collection and edition efficiency, and can finely edit the material files in the editing mode to improve the time accuracy of the broadcast files.

Description

technical field [0001] The invention relates to the field of radio and television, in particular to a method for realizing multi-channel signal acquisition and editing. Background technique [0002] The technological development in the field of radio and television is getting faster and faster, so the requirements for every link of video production are getting higher and higher, not only the quality of program production, but also the efficiency of program production. [0003] In the existing program production, only one channel’s acquisition signal can be uploaded at the same time during signal acquisition, and the signal can be edited only after the signal is recorded. It is often found that the playback picture does not correspond to the time frame when the program is playing. It cannot meet the requirements of refined editing and rapid production of video programs. [0004] In the process of implementing the present invention, the inventor found that the prior art had t...

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Application Information

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IPC IPC(8): H04N5/222H04N5/91G11B27/10
Inventor 何宇飞韩忠涛张庆健
Owner CHINA DIGITAL VIDEO BEIJING
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