[FFmpeg-user] Is FLAC lossless for compression_level > 0?

[Paul B Mahol]

On Sun, Jun 8, 2025 at 8:36 PM Mark Filipak <
markfilipak.imdb-at-gmail.com at ffmpeg.org> wrote:

> Is FLAC (Free Lossless Audio Codec) lossless for compression_level > 0?
> That is possible of course -- trading compression for encoding time -- but
> the documentation doesn't
> say.
>

Its just different compression level, for higher numbers it will try (and
usually succeeds) compress more.

FLAC is (and should be) lossless always.


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