From: Sebastian Kaliszewski <Sebastian.Kaliszewski@softax.com.pl>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed)
Date: Fri, 20 Jan 2006 13:03:48 +0100 [thread overview]
Message-ID: <43D0D1A4.4090304@softax.com.pl> (raw)
In-Reply-To: <Pine.LNX.4.61.0601200229230.3079@home.oyster.ru>
malc wrote:
> I'd like to not one thing, namely, you are using FPU to generate the
> samples. This is something Fabrice expressed dissatisfaction with. In
> the case of speaker it might be feasible to switch to fixed-point
> calculation.
One more note about that. PC-speaker generates just plain square wave not
sine wave, so this would be more realistic. Then fixed point calculation (16
bit integer part and 16 bit fractional) is easy without all those sin
calculation.
rgds
Sebastian Kaliszewski
next prev parent reply other threads:[~2006-01-20 13:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-09 19:01 [Qemu-devel] [patch] minimal PC speaker output Joachim Henke
2006-01-09 20:40 ` Fabrice Bellard
2006-01-10 9:11 ` he.jo
2006-01-18 23:05 ` [Qemu-devel] [PATCH] PC speaker emulation Joachim Henke
2006-01-18 23:32 ` [Qemu-devel] " Joachim Henke
2006-01-19 0:32 ` [Qemu-devel] " malc
2006-01-19 20:44 ` [Qemu-devel] [PATCH] PC speaker emulation (fixed) Joachim Henke
2006-01-19 23:29 ` malc
2006-01-20 9:42 ` Joachim Henke
2006-01-20 13:03 ` Johannes Schindelin
2006-01-20 12:03 ` Sebastian Kaliszewski [this message]
2006-01-23 21:10 ` [Qemu-devel] [PATCH] PC speaker emulation (fixed point) Joachim Henke
2006-01-24 12:35 ` Sebastian Kaliszewski
2006-01-24 15:50 ` Joachim Henke
2006-01-24 18:29 ` Sebastian Kaliszewski
2006-01-24 21:45 ` Fabrice Bellard
2006-01-25 0:38 ` Sebastian Kaliszewski
2006-01-25 21:54 ` [Qemu-devel] [PATCH] PC speaker emulation (square wave) Joachim Henke
2006-01-26 4:50 ` Jamie Lokier
2006-01-26 16:55 ` Sebastian Kaliszewski
2006-01-29 10:44 ` Joachim Henke
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