Avid Technology AirSpeed series, Installation And User Manual

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Bitrate Mode Check this box to enable Variable Bit Rate recording. VBR can
result in a better compression rate and smaller file sizes with the
same level of image quality. Left unchecked, AirSpeed Multi
Stream uses Constant Bit Rate (CBR) recording. We recommend
using VBR at all times.
GOP Parameters Need description
GOP Structure When MPEG2 compression is selected in the Video Type field,
you can view the group of pictures (GOP) structure. The options
are:
• I-frame, GOP=1
• IP, GOP=4
• IBP, GOP=12
• IBP, GOP=14
GOP The GOP (group of Pictures) structure type. Always displays
Closed.
Raster Dimension Displays the raster dimension of the clip: Options are:
• 1440x1080
• 1920x1080
Record Tab Settings (Continued)
Setting Description