
Last December marked the Opus 1.3 beta while since yesterday it has officially reached the release candidate phase with RC1. The noted Opus 1.3 highlights include:
Making it possible to use SILK down to bitrates around 5 kb/s
Using wideband encoding down to 9 kb/s
Improving security (including a new –enable-hardening option)
Minor quality improvement on tones
Improving Ambisonics support (still experimental)
Minor bug fixes
More details on Opus 1.3 RC1 and downloads are available from Opus-Codec.org.
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