SD Video Encoding Parameters

Below are encoding parameters for Standard-Definition bitstreams.


DVM7400 and Video Binloop Encoding Parameters (Standard Definition)

  • MPEG2 files must be encoded as a Program Stream.
  • Elementary Video stream must be Main Profile Main Level MP@ML 4:2:0. 
  • Elementary Audio Stream must also be included and must be AC3 or MPEG1 layer II encoded. Bitrates of 192, 224, or 384 kbps are supported. 
  • Source audio before encoding is 16 bit at 48 or 44.1 kHz sample rate. 
  • The two main resolutions supported are 720 x 480 x 29.97 (NTSC) and 720 x 576 x 25 (PAL) 
  • Maximum Program Stream bitrate is 15Mbps. 
  • Constant Bitrate (CBR) or Variable Bitrate (VBR) 
  • Group of Picture (GOP) Structure is CLOSED. 
  • Normally 13 or 15 frames / GOP. 
  • I B and P frames will provide the most efficient compression. 
  • Preferably each GOP will contain a sequence header.
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