search for: 949c7f33181

...solution is to fix the folding behaviour so that it is never forced to fall back to LCG due to not enough folding data. This is achieved by simply repeating part of the first band in the folding of the second band. The proposed patch is available at: https://git.xiph.org/?p=opus.git;a=commitdiff;h=949c7f33181 It's a decoder-only change and it fixes the low-bitrate pre-echo problem. I uploaded a short example that demonstrates the problem and the fix. This is before the change: http://jmvalin.ca/misc_stuff/fix_before.wav and this is after the change: http://jmvalin.ca/misc_stuff/fix_after.wav Note es...