[opus] preskip and seeking suing Opus
xiph at headdab.com
Wed Aug 14 19:09:13 PDT 2013
I've been studying the Opus code and documentation for a while and have
seen it mentioned several times that Opus uses pre-skip to allow the codec
to converge. What convergence are they referring to? Rate control?
Energy envelope prediction after seeking?
Is there a discussion of this somewhere?
Also, I'm also interested in the seeking behaviour of the decoder.
If, say, I want to skip ahead in an Opus bitstream, can I start decoding at
any intra frame without artifacts?
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