multi audio track combine

[Tim-Philipp Müller]

On Sat, 2012-08-18 at 17:43 +0100, Richard wrote:

> Is there a component that is capable of combining/mixing multiple
> audio tracks in to one? I am reading audio from multiple ALSA devices
> and need to combine in to one stream and then output to multiple audio
> sinks.

Perhaps the "adder" element is what you're looking for? If not, maybe
the interleave element?

Cheers 
-Tim