Re: Basic PCM Recording

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Sergei Steshenko wrote:
>
> Maybe these:
>
> http://www.alsa-project.org/main/index.php/Low_latency_howto
> https://lwn.net/Articles/120797/
>
> can help ?

That is certainly some interesting stuff but not entirely relevant to
the discussion at hand. Currently, I do not have latency requirements
for my recording sessions and my main argument was that, at either the
ALSA driver level or the ALSA library level, there should be
reasonable defaults that don't trigger xrun conditions.

On the other hand, if this was something that just can't be done as an
ALSA design, there should be some official way to *set up* defaults so
that if I were writing an article on basic PCM recording in ALSA I
could write it correctly.

The problem is that there is no good way to discover or set these
things that seems "official." There are semi-official suggestions of
"set to maximum buffer and divide into four periods" or "buffer about
a second and divide into about 8 periods." It all just tastes too
wishy-washy for me. But, I'm only one person.


Paul Braman

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