From: "Damian Yerrick" <NOSP AT Musenet@pineight.8m.com>
Newsgroups: comp.os.msdos.djgpp
References: <81dqrc$572 AT news DOT uni-leipzig DOT de>
Subject: Re: Allegro, precise sound timing
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NNTP-Posting-Date: Wed, 24 Nov 1999 03:55:51 GMT
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Date: Wed, 24 Nov 1999 03:55:51 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com


"Bettina Altmann" <psy97mho AT studserv DOT uni-leipzig DOT de> wrote in message
news:81dqrc$572 AT news DOT uni-leipzig DOT de...
> Hi allegro experts,
>
> for an experiment we have to compare the exact timing of a click that is
> presented by the soundcard with that of a keypress.

Sound Blaster(R) and clones generally use buffered sound.
Your experiment sounds like a reaction time experiment.
You may want to try the pcspeaker, which is not buffered.
Look up sound() and nosound() in the libc docs.


Damian Yerrick