[alsa-devel] Implementing full-duplex realtime sound processor

[James Courtier-Dutton]

On 22 August 2010 17:40, Gregory Bonik <gregory at bonik.org> wrote:
> Hi there,
>
> I'm trying to implement a full-duplex realtime sound processing app.
> I.e., it should capture a stream from a soundcard, do some processing on
> it and play it with minimal latency.
>
> I don't want to use JACK or any other higher-level API, so I'm looking
> for the best way to do it directly with ALSA. So far I've discovered
> three approaches:
>

Why don't you want to use JACK. It is a perfect fit for what you are
trying to do, and it solves a LOT of problems that you don't yet know
you will run into.