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Hi! Playing with Opus 1.3 I converted a tone sweep with a sample rate of 96kHz (just for fun). Before I had converted that from WAV to FLAC, and to Vorbis without problems. With Opus I noticed that the file size for 48kHz and 48 kbps compared to 96kHz Vorbis at 31kbps is about double the size and it sounds even worse (than Vorbis) (there is a lot of noise in the lower frequencies when a low

...d about 6% the size of the original wav). I am not sure why you are using 96kHz in the original, but doing the same with a 48kHz original wav results in -rw-r--r-- 1 hans wheel 1468106 Nov 1 08:51 sweep.flac -rw-r--r-- 1 hans wheel 113787 Nov 1 08:51 sweep.ogg -rw-r--r-- 1 hans wheel 611386 Nov 1 08:51 sweep.opus -rw-r--r-- 1 hans wheel 5760044 Nov 1 08:51 sweep.wav All of them approximately halve, but opus does not. Is that expected? > and it sounds even worse (than Vorbis) > (there is a lot of noise in the lower frequencies > when a low frequency tone is being played...

...d about 6% the size of the original wav). I am not sure why you are using 96kHz in the original, but doing the same with a 48kHz original wav results in -rw-r--r-- 1 hans wheel 1468106 Nov 1 08:51 sweep.flac -rw-r--r-- 1 hans wheel 113787 Nov 1 08:51 sweep.ogg -rw-r--r-- 1 hans wheel 611386 Nov 1 08:51 sweep.opus -rw-r--r-- 1 hans wheel 5760044 Nov 1 08:51 sweep.wav All of them approximately halve, but opus does not. Is that expected? > and it sounds even worse (than Vorbis) > (there is a lot of noise in the lower frequencies > when a low frequency tone is being played...

...iginal, >> >> but doing the same with a 48kHz original wav results in >> >> >> >> ‑rw‑r‑‑r‑‑ 1 hans wheel 1468106 Nov 1 08:51 sweep.flac >> >> ‑rw‑r‑‑r‑‑ 1 hans wheel 113787 Nov 1 08:51 sweep.ogg >> >> ‑rw‑r‑‑r‑‑ 1 hans wheel 611386 Nov 1 08:51 sweep.opus >> >> ‑rw‑r‑‑r‑‑ 1 hans wheel 5760044 Nov 1 08:51 sweep.wav >> >> >> >> All of them approximately halve, but opus does not. >> >> Is that expected? >> >> >> >> > and it sounds even worse (than V...