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27 November 2013 @ 01:08 am
Opus 1.1-rc is out  
We just released Opus 1.1-rc, which should be the last step before the final 1.1 release. Compared to 1.1-beta, this new release further improves surround encoding quality. It also includes better tuning of surround and stereo for lower bitrates. The complexity has been reduced on all CPUs, but especially ARM, which now has Neon assembly for the encoder.

With the changes, stereo encoding now produces usable audio (of course, not high fidelity) down to about 40 kb/s, with surround 5.1 sounding usable down to 48-64 kb/s. Please give this release a try and report any issues on the mailing list or by joining the #opus channel on irc.freenode.net. The more testing we get, the faster we'll be able to release 1.1-final.

As usual, the code can be downloaded from: http://opus-codec.org/downloads/