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DMala |
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Sleep is overrated
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Reged: 05/09/05
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Posts: 3989
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Loc: Waltham, MA
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Re: MAME 0.145u4
03/12/12 01:52 AM
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> Formalized the Votrax SC-01 device. Implemented the full set of
> digital logic from the patent, including the timing circuit,
> transition circuit, glottal generator, and noise source. Some unknowns
> still exist with regards to clocking, due to contradictory statements
> in the patent, but as it stands now, all parameters are fetched and
> processed, phonemes are requested, and in theory all that remains is
> for someone with analog sound experience to simulate the filters on
> the output. For now, you just get the raw glottal pulse mixed with the
> noise signal based on the vocal and fricative amplitudes, which is
> enough to show progress, but hardly a pleasing result just yet.
> [Aaron Giles, Lord Nightmare, Olivier Galibert]
>
> Converted gottlieb r1 and r2 sound boards into full-on devices, using
> the recently-added mixer interface. All sound outputs are redirected
> to the new sound device itself, and then the consuming driver can
> route the new sound device's outputs as appropriate. The Votrax chip
> has been hooked up properly, with a crude guess at the variable
> clocking. Current Votrax emulation is turned off, but it can be
> enabled by changing USE_FAKE_VOTRAX to 0 in gottlieb.h. [Aaron Giles]
Ooooooh, shiny! 
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