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A comment on FLAC 1.3.4. Parent comment

Re:FLAC 1.3.4 by astrange on Wednesday February 23, 2022 @05:00AM (#30439526)
Yeah, it sounds like ADPCM with a fixed ratio like that. It's extremely simple and adds no latency, which are both good for streaming.

Usually a fixed compression ratio is a terrible tradeoff, but for streaming it kind-of makes sense.

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Re:FLAC 1.3.4 by dale_glass on Wednesday February 23, 2022 @06:39AM (#30440035)
I don't think it's ADPCM since it sounds really good. I'm not an audiophile or have done any comprehensive testing, but it' the kind of quality a normal person would use for music without complaining.
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Re:FLAC 1.3.4 by astrange on Wednesday February 23, 2022 @07:14PM (#30448604)
That was meant to agree with you - AptX is a kind of ADPCM with some other filters added on, so this could be the same thing. That's how it gets low latency.
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