Re: [LAU] M/S EQ in Linux

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To: Brent Busby <brent@...>
Cc: Linux Audio User <linux-audio-user@...>
Date: Tuesday, September 10, 2013 - 12:04 am

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On Mon, Sep 9, 2013 at 3:42 PM, Brent Busby wrote:

> I've been looking for a way to try mid/side EQ in Linux. The

There is a LADSPA plugin to convert Stereo to M/S. Then you just run
different EQ settings on each of the outputs before later combining them
(this is trivial to setup in Non Mixer). However, watch out for using EQs
with different internal latencies. Also, I would expect to end up with
phase isues if not using a linear-phase EQ (the only one of which I am
aware is the one in Jamin). But from what you're aiming to do in the first
place, I imagine you don't really care that much about correctness.

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On Mon, Sep 9, 2013 at 3:42 PM, Brent Busby <<=
a href=3D"mailto:brent@village.keycorner.org" target=3D"_blank">brent@villa=
ge.keycorner.org> wrote:
I've been looking for a way to try mid/s=
ide EQ in Linux. =C2=A0The
documentation for the Calf plugins implies they can
(http://calf.sourceforge.net/plugins.html#filter), but never says ho=
w.
Also, I don't see anything in the GUI that would allow you to toggle mi=
d
versus side versus whole mix.

Are mid/side EQ tricks possible with the Calf plugins, or any other way
on Linux?
There is a L=
ADSPA plugin to convert Stereo to M/S. Then you just run different EQ setti=
ngs on each of the outputs before later combining them (this is trivial to =
setup in Non Mixer). However, watch out for using EQs with different intern=
al latencies. Also, I would expect to end up with phase isues if not using =
a linear-phase EQ (the only one of which I am aware is the one in Jamin). B=
ut from what you're aiming to do in the first place, I imagine you don&=
#39;t really care that much about correctness.

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Messages in current thread:
[LAU] M/S EQ in Linux, Brent Busby, (Mon Sep 9, 10:42 pm)
Re: [LAU] M/S EQ in Linux, Jörn Nettingsmeier, (Tue Sep 10, 10:15 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 7:30 am)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Tue Sep 10, 9:38 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 11:47 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 3:59 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 3:54 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 6:27 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 7:50 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 8:07 pm)
Re: [LAU] M/S EQ in Linux, Ricardus Vincente, (Wed Sep 11, 9:02 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 9:06 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 10:00 pm)
Re: [LAU] M/S EQ in Linux, Bob van der Poel, (Fri Sep 13, 3:15 am)
Re: [LAU] M/S EQ in Linux, Gene Heskett, (Fri Sep 13, 2:05 pm)
Re: [LAU] M/S EQ in Linux, Gordon JC Pearce, (Sat Sep 14, 8:17 am)
Re: [LAU] M/S EQ in Linux, david, (Sun Sep 15, 7:11 am)
[LAU] Landlines, was Re: M/S EQ in Linux, Gordon JC Pearce, (Sun Sep 15, 10:12 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Simon Wise, (Mon Sep 16, 6:57 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Will Godfrey, (Sun Sep 15, 2:00 pm)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Fons Adriaensen, (Sun Sep 15, 10:55 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Joe Hartley, (Sun Sep 15, 2:45 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 6:36 am)
Re: [LAU] M/S EQ in Linux, david, (Fri Sep 13, 6:49 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 7:42 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 7:48 am)
Re: [LAU] M/S EQ in Linux, Al Thompson, (Fri Sep 13, 3:34 am)
Re: [LAU] M/S EQ in Linux, Ricardus Vincente, (Wed Sep 11, 9:21 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 9:26 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 8:59 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 7:16 pm)
Re: [LAU] M/S EQ in Linux, david, (Wed Sep 11, 6:26 pm)
Re: [LAU] M/S EQ in Linux, J. Liles, (Wed Sep 11, 7:31 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 4:00 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 8:09 am)
Re: [LAU] M/S EQ in Linux, J. Liles, (Tue Sep 10, 12:04 am)
Re: [LAU] M/S EQ in Linux, J. Liles, (Tue Sep 10, 9:43 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Tue Sep 10, 10:21 pm)
Re: [LAU] M/S EQ in Linux, Joe Hartley, (Mon Sep 9, 10:51 pm)
Re: [LAU] M/S EQ in Linux, Kevin Cosgrove, (Mon Sep 9, 11:04 pm)
Re: [LAU] M/S EQ in Linux, Joe Hartley, (Mon Sep 9, 11:08 pm)