On Sat, Dec 25, 2010 at 6:57 AM, Fabio <capoeirista@xxxxxxxx> wrote: > Em Sat, 25 Dec 2010 14:41:19 +0000 > Q <lists@xxxxxxxxxxxxxxx> escreveu: > >> Fabio wrote: >> > there doesn't seam to exist any compressor/plugin for Linux that >> > does it? >> > _______________________________________________ >> > Linux-audio-user mailing list >> > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx >> > http://lists.linuxaudio.org/listinfo/linux-audio-user >> > >> >> Well it's easy enough to set up in Ardour using a bus and a regular >> compressor. I expect it should be easy enough in other software. >> >> Q > > how you do that? none of the compressors i checked has ability to use > negative ratio. > upwards compression means it elevates volumes below threshold instead > of the "opposite"(lack of word) in normal compression A bit wonky but: 1) Find some compressor code and do some mods, or 2) Maybe do it mathematically. Original wave file - compressed wave file = new interesting wave file? I do #2 all the time with stock market data. Seems like you should be able to do it with sound data in sox or something. Cheers, Mark _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user