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? Jiming
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