[hatari-devel] Hatari v1.6 features?

Matthias Arndt marndt at asmsoftware.de
Sun Oct 16 10:10:49 CEST 2011


Am Samstag, den 15.10.2011, 23:26 +0200 schrieb Nicolas Pomarède: 
> Hello
> 
> it's true that David patch was not included so far ; I still have to 
> ponder if it's better to use this patch or to use volume tables as 
> measured on a real ST.
> 
> This patch improves linear mixing in the sense that instead of 
> summing/averaging volumes it also applies a filter similar to the one in 
> the ST. But it doesn't take into account the period of each voice in 
> this operation.
> 
> Final output signal depends on the volume of the 3 voices, but also on 
> the period of each of this voice, as all 3 of them are wired together 
> and the feedback effect will be different when freq changes.
> 
> So, regarding quality, I think we have this choices (from lower to better) :
> 
>   - linear mixing
>   - david's version with filter
>   - table mixing measured on a real ST
> 

Why not offer all 3 methods and the user can choose in the GUI, with
Hatari defaulting to the table as measured on a real ST?

Matthias
-- 
Matthias Arndt <marndt at asmsoftware.de>
PGP-Key: http://www.final-memory.org/files/marndt.asc
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