Displaying 2 results from an estimated 2 matches for "opust".
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opus
2016 Apr 18
5
Channel Mapping Family for Ambisonics
Hello,
We (Google) have been experimenting with configuration and adjustments to
CELT-only Opus that give good results for compressing ambisonic audio
signals [1]. Based on our results so far, we would like to use Opus to
encode spatial audio. We hope to make it easy/possible to use libopus with
other common tools and software modules (ffmpeg/libav in particular).
Based on my reading of the
2016 Apr 19
3
Channel Mapping Family for Ambisonics
...padding as a place to store extra side
> information in the past. I haven't thought deeply about the trade-offs
> between that and other approaches, like using an invalid TOC sequence to add
> additional packet data, as we did with the MPEG TS embedding
> (<https://wiki.xiph.org/OpusTS>).
>
> The difficulty with padding is that it prevents transparent repacketization,
> because the padding occurs once per Opus packet, while side information is
> typically required once per Opus frame (of which there can be several in an
> Opus packet). The invalid TOC sequence...