Rockbox Development > Feature Ideas

Multi band/frequency aware (dynamic-) compressor

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Chronon:
I usually listen to my music at pretty close to the same level.  Can't you set the EQ levels for that volume?  Anyway, it doesn't seem like frequency dependent compressor is what you want but rather volume dependent EQ.

Runoratsu:
Nonono, I also have a preferred level I listen & EQ to! The problem isn't differen listening level, but rather the songs' dynamics. If you have rather dynamically compressed songs it's no problem, but with very dynamic songs you get level peaks all over the spectrum, and with your hearing being more sensitive to treble and bass at higher volumes relative to the sensitivity at the "usual level" of the song, these peaks are hurtful in the treble range, while bass and mids are less of a problem.
So I'd like to compress those treble peaks, while still allowing the whole dynamic range in mids and bass.

saratoga:
I think you're over thinking this problem.  Peaks far below max generally aren't heard since they're masked.  Furthermore, the shape of the equal loudness contours changes only a little with intensity at typical levels.   I suspect that if you took the time to actually implement the processing you're proposing, you'd find that it made very little difference because the change in per frequency gain would be nearly identical over the entire dynamic range of almost any track you have. 

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