Start the encode process by depressing the Encode Run button. Line 21 captions refers to one of the old unused lines of analog televisions and has no direct correspondence in MPEG compressed video. Note that the original analog line 21 data is often inserted in line 28 of the encoded video. Finally select the PreProcess | PreProcess Input dialog and enter the line you desire to hold the analog captioning in the "Extract of Add Analog Closed Captions" edit box. txt file below this check box, and select the "Open Captioning" Closed Captioning Format, and depress the Apply button as below -ģ. Set up the Encode | Configure | Line 21 dialog to select the "Add Closed Captions From File" check box, browse or enter your closed captioning. Browse for your Encode source and set your Encode Output name.Ģ. Start by selecting the most appropriate Base Encoding Profile:Īnd then adjust the parameters (bit-rate etc) per your specific encoding specifications. Set up MPEGRepairHD with your desired output parameters. To cause MPEGRepairHD to insert captions into an existing MPEG stream or un-encoded content:ġ. The analog captions can be inserted into any line of the output video. Your captions must have been transcribed and formatted into a. MPEGRepairHD can insert analog captions into video during encoding or into an existing video during transcoding. txt file can be accomplished by a PixelTools decoder such as Expert-Caption and MPEGRepairHD. Extraction of Analog Line 21 captions to a. This can be accomplished during encoding or transcoding using one of the PixelTools encoders such as MPEGRepairHD or Expert-Broadcast.
Insertion of Analog Line 21 captions must be burned into the video. PixelTools products can insert and extract the old Analog Line 21 Captions into and out of a MPEG video.
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