[hatari-devel] STE sound breakage with lower sound frequencies

Eero Tamminen oak at helsinkinet.fi
Thu Feb 10 20:02:52 CET 2011


Hi,

On keskiviikko 09 helmikuu 2011, Nicolas Pomarède wrote:
> Today, you don't see the difference because most LCD monitors will run
> at 70/80 Hz, not 50 or 60,

Can you point to some documentation that states this?
I've had the impression that most LCD computer monitors run at 60Hz...


> so anyway Hatari emulating a 50/60 Hz video will not look smooth.
> 
> But if you connect your PC to an old CRT capable of doing exactly 60 Hz,
> then doing sleep of 10+20+20 ms instead of 17+17+16 will be really
> noticable. If using nanosleep, you will even get a 16.667 ms sleep which
> means Hatari's video should be really synchronized with the CRT monitor
> at 60 Hz (this is how hardcore emulation fans are doing when using MAME,
> they prefer using CRT because it can output at the same video freq as
> the original arcade machine).


	- Eero



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