Re: Down-mix/ reroute audio

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Op Tue, 25 Nov 2014 12:15:59 +0100 schreef Clemens Ladisch  
<cladisch@xxxxxxxxxxxxxx>:

> Floris wrote:
>> I have a 5.1 sound card. The speakers are connected to the front and the
>> rear output. But all four speakers are in front of me (they are build in
>> to the monitors), so I want to reroute the audio to stereo output.
>>
>> "(Front) Left audio channel" to the "Front Left" and "Front Right  
>> output"
>> and
>> "(Front) Right audio channel" to the "Rear Left" and "Rear Right output"
>>
>> Is this possible in an .asoundrc file?
>
> Try something like this:
>
>   pcm.upmixed {
>     type plug
>     slave.pcm "surround40"
>     ttable [
>       [ 1 0 1 0 ]
>       [ 0 1 0 1 ]
>     ]
>   }
>
>
> Regards,
> Clemens

Thanks for giving an example, but can you explain how it works? I can find  
the explanation of the first part, but I can't find a manual or a how-to  
for the ttable [] part.

Thanks,

floris

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