libopus 1.3-rc

This Opus 1.3-rc release candidate of the upcoming Opus 1.3 includes:

  • 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

Again, we’re providing experimental Windows binaries built with 1.3-rc and the upcoming opus-tools and libopusenc.

Source code: opus-1.3-rc.tar.gz
Win32 binaries (experimental):