opus 1.5.2

Opus release 1.5.2

This minor release fixes several build issues that were discovered since
the 1.5 release. It also fixes a misalignment issue in the AVX2 code
that could cause crashes under Windows.

Checksums

% sha256sum opus-1.5.2.tar.gz
65c1d2f78b9f2fb20082c38cbe47c951ad5839345876e46941612ee87f9a7ce1  opus-1.5.2.tar.gz

opus 1.5.1

Opus release 1.5.1

Fixed meson build from Opus 1.5.

Checksums

% sha256sum opus-1.5.1.tar.gz
b84610959b8d417b611aa12a22565e0a3732097c6389d19098d844543e340f85  opus-1.5.1.tar.gz

opus 1.5

Opus release 1.5

Opus 1.5 is the first release to make extended use of machine learning in the encoder and
decoder. Major changes since 1.4 include:

• Significant improvement to packet loss robustness using Deep Redundancy (DRED)
• Improved packet loss concealment through Deep PLC
• Low-bitrate speech quality improvements down to 6 kb/s wideband
• Improved x86 (AVX2) and ARM (Neon) optimizations
• Support for 4th and 5th order ambisonics

Checksums

% sha256sum opus-1.5.tar.gz
d8230bbeb99e6d558645aaad25d79de8f4f28fdcc55f8af230050586d62c4f2c  opus-1.5.tar.gz

opus 1.4

Opus release 1.4

Opus 1.4 brings the following improvements and fixes:

• Improved tuning of the Opus in-band FEC (LBRR). See the
  https://gitlab.xiph.org/xiph/opus/-/issues/2360 for details
• Added a OPUS_SET_INBAND_FEC(2) option that turns on FEC, but does not
  force SILK mode (FEC will be disabled in CELT mode)
• Improved tuning and various fixes to DTX
• Added Meson support, improved CMake support

Checksums

% sha256sum opus-1.4.tar.gz
c9b32b4253be5ae63d1ff16eea06b94b5f0f2951b7a02aceef58e3a3ce49c51f opus-1.4.tar.gz

% sha1sum opus-1.4.tar.gz
c53b3a74fc26fb2c2314afe958be30d169bd029a  opus-1.4.tar.gz

% md5sum opus-1.4.tar.gz
0d89c15268c5c5984f583d7997d2a148  opus-1.4.tar.gz 

opus-1.1.2

Opus 1.1.2 includes:

• Fixes encoder or decoder state reset, which would previously disable some run-time selected architecture-specific optimizations; and
• Fixes hybrid mode discontinuous transmission (DTX) operation, where the comfort noise above 8 kHz was incorrectly estimated and could oscillate in time.

None of these bugs were regressions over previous releases.