[hatari-devel] Choosing ym mixing method in the UI

[Laurent Sallafranque]

Hi,

For my part, I prefer the first one.

>  Isn't the table used for mixing STE/Falcon/TT YM sound?

For the falcon part, I get the Ym sound already composed, and I mix it with the other channels via the crossbar.

Regards

Laurent




Le 04/04/2011 21:19, Eero Tamminen a écrit :
> Hi,
>
> On maanantai 04 huhtikuu 2011, Nicolas Pomarède wrote:
>> by default, Hatari is using linear mixing to average the 3 YM voices and
>> get the final sample to play.
>>
>> Due to the hardware/filters used in a real ST, this doesn't fully match
>> the reality, so it's also possible to mix the 3 voices using a table of
>> all possible combination measured on an ST (this is in sound.c)
>>
>> This table method is closer to what should be expected and gives really
>> much better/cleaner results when playing samples on STF (by combining
>> the 3 YM voices), but it might not please everyone's ears.
>>
>> So, I'd like to make this the default, but this would need an option to
>> change it from the UI easily.
>>
>> Eero, do you think you could add 2 check boxes to the "sound" panel to
>> handle this ?
> You mean radio boxes, I assume user cannot select both?
>
> What about command line and configuration option,
> I guess the command line option could be:
> 	--ym-mixer<x>   YM mixing method (x=linear/table)
> ?
>
>> ------------------------------------------
>>
>> YM voice mixing  [] linear   [] ST table
>>
>> ------------------------------------------
> Isn't the table used for mixing STE/Falcon/TT YM sound?
>
>
>> This should change YmVolumeMixing in sound.c to YM_LINEAR_MIXING or
>> YM_TABLE_MIXING.
>>
>> (we could also add some checkboxes to enable some filters, but I have no
>> idea of what filters to use for now, so this can be made later)
> Attached are three possible layouts that could be used to fit this to
> sound dialog, please pick one. :-)
>
> I can look into this and the add command line option after the configuration
> variable is there.
>
>
> 	- Eero
>
>
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