Recording from left channel in mono (Edirol UA-25)

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Dear friends,

There is very little control over Edirol UA-25 hardware using Alsa. 

I added information on the wiki: 
http://alsa.opensrc.org/Edirol_UA-25

The audio device has two microphone inputs. The problem is that there is
no hardware Line-In 1, Line-In 2. Both microphone inputs are mixed at
hardware level into one stereo stream. Even when pressing Mono button,
the stream is still stereo. Incredible!

Now, I would like to be able to record from the two inputs seperately,
at software level, defining a recording PCM on left, another one on
right.

How can I make it?

Kind regards,
Jean-Michel




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