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Topic: what does the "--max-delay" switch in opusenc do? (Read 1265 times) previous topic - next topic
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what does the "--max-delay" switch in opusenc do?

I have searched the internet upside down but I am unable to get an explanation about what exactly does the --max-delay switch in opusenc do to the encoded file?

Does it have any effect on the encoding quality or bitrate?

Any insights would be really appreciated

Re: what does the "--max-delay" switch in opusenc do?

Reply #1 –
AFAICT it only affects how many ogg pages are created. I ran opusenc 3 times, with max-delay 0, 500 and 1000:
Code: [Select]
Wrote: 369876 bytes, 1501 packets, 1503 pages
Overhead: 11.6% (container+metadata)
...
Wrote: 330996 bytes, 1501 packets, 63 pages
Overhead: 1.21% (container+metadata)
...
Wrote: 330186 bytes, 1501 packets, 33 pages
Overhead: 0.963% (container+metadata)
After decoding, all 3 files produced the same PCM data.

Re: what does the "--max-delay" switch in opusenc do?

Reply #2 –
Quote from: danadam on
AFAICT it only affects how many ogg pages are created. I ran opusenc 3 times, with max-delay 0, 500 and 1000:
Code: [Select]
Wrote: 369876 bytes, 1501 packets, 1503 pages
Overhead: 11.6% (container+metadata)
...
Wrote: 330996 bytes, 1501 packets, 63 pages
Overhead: 1.21% (container+metadata)
...
Wrote: 330186 bytes, 1501 packets, 33 pages
Overhead: 0.963% (container+metadata)
After decoding, all 3 files produced the same PCM data.

Thank you so much for solving my query!
 

Re: what does the "--max-delay" switch in opusenc do?

Reply #3 –
I wonder if that option was supposed to be named "--mux-delay" instead, since it controls the Ogg muxer delay.