On Wed, Feb 5, 2020 at 10:33 PM Jiming Shi <[email protected]> wrote:
> Recently I'm looking into ways of doing audio loudness normalization and > came across ffmpeg filter `loudnorm` . > > According to EBU R128 standard: "measurement shall include a gating > method as specified in ITU-R BS.1770" which requires a momentary > measurement which is 400ms instead of the shortterm one (3sec) used in the > loudnorm filter: > https://github.com/FFmpeg/FFmpeg/blob/master/libavfilter/af_loudnorm.c#L473 > > Did I miss something here? And is there a way to make the change in > ffmpeg? > That code part is used for dynamic mode, which is not part of standard. > > Jiming > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe".
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