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  1. I am currently using SMPlayer as my main media player. I put this command:
    Code:
    lavfi=[dynaudnorm=p=0.9:m=15:s=9:g=3]
    under audio filter settings in mpv under advanced. The sound is AMAZING. I can clearly hear dialogue, music and sound effects when the TV volume is 7 and that's a low volume.

    If I play the same movie in MPC-HC on volume 7 on my TV then I can't hear anything and I have to raise the tv volume to like 15 so i can hear the dialogue. The audio normalization in MPC-HC is horrible and I am not getting the same results like SMPlayer with that lavfi=[] command.

    I am testing MPC-BE. I went to sound processing and I ticked FFmpeg filters. After that I selected "for audio with whisper and explosion parts" and I got 0|0:1|1:-90/-900|-70/-70|-30/-9|0/-3:6:0:0:0 under compand. I tested the movie and the audio is louder then playing the same movie in MPC-HC.

    I want to ask:

    1) Is it possible to put
    Code:
    [dynaudnorm=p=0.9:m=15:s=9:g=3]
    in MPC-BE under compand or somewhere else?

    2) Does 0|0:1|1:-90/-900|-70/-70|-30/-9|0/-3:6:0:0:0 do the same thing as
    Code:
    [dynaudnorm=p=0.9:m=15:s=9:g=3]
    ?
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  2. The compand filter works completely differently, and using the same points it probably does the job very well if the input audio always has the same average volume, but it might be harder to get it right when the average volume varies between videos.

    Have a look here. It explains how compand works. Looking at a graph makes it easier to understand, at least for me.

    https://medium.com/@jud.dagnall/dynamic-range-compression-for-audio-with-ffmpeg-and-co...d-621fe2b1a892

    https://ffmpeg.org/ffmpeg-filters.html#compand

    By the way, I tried your dynaudnorm settings in SMPlayer myself. It certainly levels the volume out but maybe too much as it seemed to introduce distortion to me.
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