[opus] Annoying artifacts in a sample

Thu Aug 17 14:54:44 UTC 2017

Hello,
I've just found that this sample, when encoded with bitrate lower than about 48 kbps, has got some strange artifacts. According to that article → https://people.xiph.org/~jm/opus/opus-1.2, I should tell you about it…

It sounds like Opus plays high frequencies up and it combines with that echo effect.

Best regards
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