ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

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flatiron
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ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

Post by flatiron » Mon Dec 11, 2017 1:49 pm

What is the difference? Which is the highest quality?

flatiron
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Re: ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

Post by flatiron » Mon Dec 11, 2017 3:28 pm

FLAC is highest I now know. But the other 3...

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Re: ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

Post by flatiron » Mon Dec 11, 2017 3:44 pm

Vorbis: handles general audio data at mid to high-level variable bitrates (≈16–500 kbit/s per channel)
Opus: handles voice, music and generic audio at low and high variable bitrates (≈6–510 kbit/s per channel)

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Re: ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

Post by Mute Ant » Mon Dec 11, 2017 7:37 pm

FLAC is a bit better than 'high' quality, it is lossless. Encoding to FLAC doesn't throw away any of the original audio. If you encode WAV-->--FLAC then decode FLAC-->--WAV the sound data is identical to the original. A FLAC encoding can include the md5sum of the original sound file, so it can check itself and warn you if a file copied short, or a disk sector got silently corrupted. The PNG picture format does something similar. It can't correct errors... at least you know something horrible has happened.
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JerryF
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Re: ogg opus, vs ogg vorbis, vs flac, vs mpeg 4?

Post by JerryF » Mon Dec 11, 2017 7:57 pm

MPEG4 is for audio and video, so I wouldn't place that one in the mix.
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