Inter-channels operations

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murvoy
Posts: 2
Joined: Wed Jul 13, 2011 6:28 pm

Inter-channels operations

Post by murvoy »

Hi all,

I was wondering whether it is possible to perform operation between channels.
Let's say I have channel 1 and channel 2.
I want to compute their sum, or their product.
Is there a box for that?

Apologies if it's just me who didn't read the manual properly.

Thanks, and keep up the good work!
Matthieu

jlegeny
Posts: 239
Joined: Tue Nov 02, 2010 8:51 am
Location: Mensia Technologies Paris FR
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Re: Inter-channels operations

Post by jlegeny »

Hello Matthieu and welcome to the forums,

you can use the Simple DSP box to do what you want. Since this box operates on signals rather than channels, you will have to use the channel selector box to split your signal into channels and then a signal merger to put them back.

hope this helps,
Jozef

murvoy
Posts: 2
Joined: Wed Jul 13, 2011 6:28 pm

Re: Inter-channels operations

Post by murvoy »

Hi,

I already considered this option, but was wondering whether there was some more "direct" way to perform this operation.
Thanks a lot for your quick reply!
Matthieu

fabien.lotte
Posts: 112
Joined: Sun Mar 14, 2010 12:58 pm

Re: Inter-channels operations

Post by fabien.lotte »

otherwise, if your inter-channels operations are only linear, you can use the "spatial filter" box, e.g., to create new signals that are a (possibly weighted) sum of different channels.
And if your operations are quadratic, you can use the "quadratic form" box.

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