Jeff Moore Wrote: > 2005-10-25-23:02:35 tggreen: > > Well, I'm about to pull my hair out. Sox has a "multi-band > compander". > > I've searched for several hours, and I can't find a single example > > ANYWHERE that describes how to use the thing. I'm not even sure if > a > > "multi-band compander" will give me what I want. > > I doubt it, if an equalizer is what you want. A multi-band compander > would be a compressor/expander, kind of like the dbx boxes of yore (or > perhaps still of today?). They're for increasing (if you have some > sort > of compressed source and want to "open up" its dynamics) or decreasing > (if you want to track steadily nearer to maximum loudness, for > example) > the dynamic range of the signal. They began being implemented with > multiple (most notably three, in the dbx 3BX) frequency bands in an > effort to avoid audible "noise pumping". (The latter would be audible > if, say, a big bass pulse caused the signal to be amplified, and the > original had some steady high-frequency hiss -- the hiss's volume > would > be modulated by the bass expansion if they weren't sequestered in > separate bands.)
That's true. The goal is really to manipulate the volume per-band rather than try to expand the dynamic range. -- tggreen _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
