This is a third release candidate for the upcoming 1.0.1 release. This release includes documentation fixes, portability improvements, and build file fixes, including a generic Makefile.unix.
- Source code: opus-1.0.1-rc3.tar.gz
This is a second release candidate for the upcoming 1.0.1 release. This release includes documentation fixes, and it should now be possible to build on Windows.
- Source code: opus-1.0.1-rc2.tar.gz
This is a release candidate for the final 1.0 release. Other than the RFC number in the comments, this code is expected to be the same as the final RFC and 1.0 release.
- Source code: opus-1.0.0-rc.tar.gz
This is a release candidate for the upcoming 1.0.1 release. The release includes minor updates (mostly related to the build system) that did not make it to the upcoming RFC.
- Source code: opus-1.0.1-rc.tar.gz
This version matches version -14 of the draft and fixes minor issues brought up before the upcoming IETF last call. There is no change to the bit-stream.
Libopus versions 0.9.11-0.9.13 were skipped to synchronize release and draft numbering.
This release fixes several resampling bugs and greatly increases resampler performance. It also provides working Unicode filename and tag support for Windows (Unicode worked for Mac and *nix previously).
- Source code: opus-tools-0.1.4.tar.gz
This release adds proper multichannel WAV output from opusdec, disables the non-working '--stereo' and '--mono' mixdown switches, and uses linear predictive coding to generate padding on the final frame to reduce the risk of clicking with gapless playback.
- Source code: opus-tools-0.1.3.tar.gz
Numerous small fixes including piped audio on Windows and clicking on resampled audio.
- Source code: opus-tools-0.1.2.tar.gz
This version matches version -12 of the draft and fixes minor issues brought up before the upcoming IETF last call. There is no change to the bit-stream.
This version matches version -11 of the draft. The bit-stream has not changed, except for some corner cases that are unlikely to happen in the real world.
This version matches version -10 of the draft and fixes several glitches caused by mode switching and other corner cases. This required breaking the bit-stream for the SILK-only stereo and hybrid stereo modes. Fortunately, these modes are not often used, so few users should be affected. This release also implements a CBR mode for SILK mode. This release includes a much better test suite and has been extensively tested in multiple configurations. See the Jenkins build system and the resulting floating-point coverage and fixed-point coverage. Now that the analysis and documentation of the code has been completed, further changes to the bit-stream until the final freeze are unlikely.
This is a cleanup release for version -08 of the draft. The bit-stream remains tentatively frozen.
This is a cleanup release for version -07 of the draft. The bit-stream is tentatively frozen. It will not change unless a major issue is found or if for some reason the Working Group decides something needs to be change.
Opus libopus 0.9.2 adds support for glitchless switching between the voice and audio mode. Also, the encoder now defaults to a new "automatic" mode and bandwidth selection and attempts to select the optimal mode and bandwidth considering the bit-rate and voice content. Several bugs were also fixed and the codec and test tools should be more robust in general.
Opus libopus 0.9.1 fixes a few minor bugs that were found in version libopus 0.9.0. Unfortunately, this has required slight changes to the bit-stream, which is thus not compatible with libopus 0.9.0. This release adds support for forward error correction (FEC), which improves performance under packet loss.