[opus] Ogg Format

[Timothy B. Terriberry]

Amit Ashara wrote:
> Yes, I understand that mono channel has nothing to do with it, but is
> there any guideline or thumb rule on the value in page_segments to use

The factors involved are latency, buffering, and header overhead. For 
normal use cases, I'd generally recommend around 1 second of audio per 
page (50 packets @ 20 ms). This is what opus-tools uses by default.