[opus] Impossible two bugs in Opus

ongaku zettai sergeinakamoto at gmail.com
Sat Nov 17 13:37:21 UTC 2018

Hello. Me again.
Have you tried to encode piano solo?
Noticed high bitrate Opus gave?
And there's also artefact at 15kHz
which wasn't in the original audio.
Visible with Spek program.
Download FLAC and Opus both files,
new link:
FLAC full: 1084 kbps;
FLAC solo: 465 kbps.
with --bitrate 160:
Opus full: 158 kbps;
Opus solo: 190 kbps.
Included also Spek spectrogram PNG file
for Opus solo to see the artefacts.
Music is copyrighted but we using it
for testing purposes, ok?
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