Chapter 2
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Live Encoding Parameters
114 Live Encoding Parameters
Parameter Settings
Comments
GOP N
1 - 120
(the default is 12)
The maximum distance in frames
between consecutive I (intra) frames in
the stream. N must be a multiple of M.
It is recommended to encode about two
I frames per second.
To automatically recognize the value for
GOP N in a video program that you are
transcoding, check the associated
checkbox; the GOP N field displays NO
CHANGE.
VBV
400-2000
The Video Buffer Verifier (VBV) is a
model hypothetical decoder buffer that
will not overflow or underflow when fed a
conforming MPEG bit stream
Program Number
0 - 8191
(the default is 1)
Specifies the program to which the
Program Map PID applies.
PMT PID
0 - 8190
(the default is 1280)
Specifies the PID of the Transport
stream program, containing the
Programs Map.
Video PID
32 - 8190
A unique ID for video streams in
multiplexed Transport streams only. It
identifies Transport packets carrying
data of the particular video stream.
Enter a unique number for each stream.
For an automatically assigned ID,
choose 0.
To automatically recognize the video
PID in a video program that you are
transcoding, check the associated
checkbox; the Video PID field displays
NO CHANGE.
PCR PID
0 - 8191
(the default is 42)
Specifies the PID of the program clock
reference package.
Table 32: Secondary Stream Parameters
Audio Encoding Parameters
y
If you are in the process of adding a channel, click
Audio
to view
audio encoding parameters.
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