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DSP and Plugin Development • Re: Roland Alpha Juno-2 pwm sawtooth

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So we're hearing not just interference from other voices, but also interference from another division of the master clock before the final division and wave-shaping produces the output waveform.
Maybe. That's one hypothesis to add to the list with no experimental evidence to really support anything.

From the flac, I've isolated one cycle 48000/11731 and observing near the end of that cycle I see a very chaotic ramp at 48000/46. 11731/46 = 255.021~, so this could in fact imply either an 8-bit DAC, or that the ratio is near 1/256~ for some other reason. Hypothetically we might question why they'd use so few bits here. A division step would also be conveniently in an 8-bit ratio, it wouldn't make much sense to see this particular combo given the 32' which should only be 1/4 (?).

Statistics: Posted by aciddose — Thu May 30, 2024 2:51 am



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