how is pulseaudio supposed to work?

[Denis Leroy]

Richi Plana wrote:
> On Thu, 2007-12-13 at 20:29 +0100, Ralf Ertzinger wrote:
>> Hi.
>>
>> On Thu, 13 Dec 2007 19:23:28 +0000, Will Woods wrote
>>
>>> 4) Sound-using apps use ALSA/ESD as usual.
>>> - It's all actually going through pulseaudio, though.
>> Wait, wait. Since pulseaudio does not, actually, talk to the hardware,
>> applications using ALSA will be rerouted through pulseaudio, which in turn
>> talks to ALSA to produce sound, is that right?
> 
> Sounds like pretty standard wrapping technique, if it is.

How much extra latency are we getting from this ? I've noticed the extra 
lag in some of our games.