EN8 – H.264 8CH HD Encoder / Manual
- Set the CPB (Coded Picture Buffer) Delay.
- Lower the value, lower the system delay
and higher the value, the better the picture
quality.
- Default value is 1.0second.
- Can not be set in Low Delay Mode.
- GOP Size value should be set between 6~63.
- When GOP Adaptive value is 0
If GOP Structure is IBBP or IPPP then the GOP Size should be a multiple of 3.
If GOP Structure is IBP, then the GOP Size should be a multiple of 2.
If GOP Structure is IBrBBP, then the GOP Size should be a multiple of 4.
- When GOP Adaptive is 2
GOP Structure can only select IBrBBP and the actual output GOP size of the stream is
maintained at a value of +/-3 from the input value.
- When GOP Adaptive is 3
GOP Structure can only select IBrBBP and the actual output GOP size of the stream is
maintained at a value of +3 from the input value.
- Default value of GOP Size=15, GOP Adaptive=3, GOP Structure= I Br B B P.
- If GOP Adaptive is not 0, GOP Size may not be a multiple of 4.
- It can not be set in Low Delay mode.
- For more detailed information please refer to
Appendix B
F) CPB Delay Setting
