On Tue, Mar 03, 2015 at 03:51:48AM -0300, Claudio Freire wrote: > This patch fixes a pointer arithmetic bug in adjust_frame_information > that resulted in heavily corrupted audio when using M/S encoding. > Also, a backup copy of untransformed coefficients has to be kept > around or attempts at re-processing the frame (which happens when > hevavily overspending bits during transients) will result in > re-encoding of the coefficients and subsequent corruption of the > resulting stream. > > A/B testing shows the bug as corrected, but still cannot prove that > M/S coding is a win at least in numbers. Limited listening tests do > show improvement on M/S encoded samples in lower bitrates, but they're > hidden among the other artifacts that remain to be corrected in the > encoder. > > Some of the regressions flagged in the report do show poor stereo > image (but not buggy), so M/S encoding is clearly not good enough yet > to be defaulted to auto. > > In numbers, Patched against Unpatched, stereo_mode auto:
applied thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB What does censorship reveal? It reveals fear. -- Julian Assange
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