[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed point)

From: Joachim Henke
Subject: Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed point)
Date: Tue, 24 Jan 2006 16:50:20 +0100

Ok, these are really strong arguments. Thanks a lot for your interesting statements! I'll do some testing on square waves and will post an updated patch, as I am also not totally satisfied with the current sound myself.


Sebastian Kaliszewski wrote:
Well, it sounds rather dull, and even worse, on non hi-fi computer speakers (which is 90% of PC users use) low frequencies (<100Hz) are simply unhearable (since equipment is very poor at transmitting those frequencies). While harmonics rich square wave will be hearable, due to harmonics being hearable.

No real musical instrument generates sine wawes. Moreover as various psyhoacustics reaserch shows, using pure sine waes changes our perception of chords & harmony. Then 95% of home sound equipment degrages and attenuates low frequencies below 40-50Hz.

If Qemu is for emulation it should emulate things as close to reality as feasible. Why do more work & intentionally break the close emulation, while it's even easier to acheive?

Many PC games used low frequencies to emit varius buzzes and stuff (like engine noise). With sine wave those will be completely broken.

Joachim Henke

reply via email to

[Prev in Thread] Current Thread [Next in Thread]