Re: [ecasound] mixing to mono

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Subject: Re: [ecasound] mixing to mono
From: Kai Vehmanen (k@eca.cx)
Date: Tue Aug 29 2000 - 22:52:36 EEST

On Sun, 27 Aug 2000, Clemens Krammer wrote:

> it sounds very ugly. so i want to mix it down to mono, but not 100% mono,
> e.g. add 50% from the right channel to the left and vice versa. how could
> i do that with ecasound?

Hmm, there are a couple of ways. Here's one:

ecasound -a:1,2 -i stereo.wav \ # connect to 2 chains
         -a:1 -erc:1,2 \ # copy from ch1 to ch2
         -a:2 -erc:2,1 \ # copy from ch2 to ch1
         -a:1 -eac:25,2 \ # 25% amplify for ch2
         -a:2 -eac:25,1 \ # 25% amplify for ch1
         -a:1,2 -o not-so-stereo.wav

Tested quickly and seems to work. 

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