Opus 1.1-alpha release
This is an alpha release for the upcoming 1.1 release. Compared to 1.0.2, it
includes quality improvements, optimizations, bug fixes, as well as an
experimental speech/music detector for mode decisions. All the fixes and
improvements from 1.0.2 are also in this release. The most important changes
are:
Quality-impacting
Unconstrained VBR algorithm
New transient detector
Bitrate boost for tonal samples, which are harder to code
Fixes to the tf analysis code
Improvements to the hybrid mode code
Fixed some mode switching issues
More aggressive use of dynamic allocation
Automatic audio bandwidth detection
DC rejection filter
Optimizations
Significant reduction of the decoder stack size requirement
Optimization of several functions for the common case of zero