On Sat, 27 Jan 2007 10:32:30 -0800 "ronan mcallister" <bass.woofer@xxxxxxxxx> wrote: > Sergei, > > For the moment forgetting about the Xover's, how would I use ecasound or > another tool to implement an arbitrary EQ function with sliders / user > controls? I've got JACK now running better (mainly a problem related to > configuration) and I'd like to have maybe a dozen or more bands of very LF > EQ (eg, fc: 5hz, 8hz, 12hz,.... 100hz) for subsonic equalization. > > So far it appears brutefir can do this but sans a GUI? What plugin would I > need and is it extensible? > > should I start a new topic to discuss the IIR based EQ you hinted about? > > Thank you very much, > Ronan > > Yes, please start a new topic about IIR vs FIR, but, anyway, if you want low latencies AND equalization at 5hz, 8hz, 12hz, forget about it - it's impossible physically/mathematically - regardless of OS and sound system, and regardless of digital/analog. I.e, you can either have low (latency/group delay) AND equalization only at high frequencies OR big (latency/group delay) AND equalization also at low frequencies. Regards, Sergei. -- Visit my http://appsfromscratch.berlios.de/ open source project. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user