[LAU] M/S EQ in Linux
malnourite at gmail.com
Tue Sep 10 21:43:37 UTC 2013
On Mon, Sep 9, 2013 at 5:04 PM, J. Liles <malnourite at gmail.com> wrote:
> On Mon, Sep 9, 2013 at 3:42 PM, Brent Busby <brent at village.keycorner.org>wrote:
>> I've been looking for a way to try mid/side EQ in Linux. The
>> documentation for the Calf plugins implies they can
>> (http://calf.sourceforge.net/plugins.html#filter), but never says how.
>> Also, I don't see anything in the GUI that would allow you to toggle mid
>> versus side versus whole mix.
>> Are mid/side EQ tricks possible with the Calf plugins, or any other way
>> on Linux?
> 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.
BTW upon further review, I think the Multiband EQ from SWH LADSPA plugin
suite is linear phase--you'd only have to watch out for the latency it
introduces (which wouldn't be a problem if you used an instance each for M
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