ODP: DCO's, Anti-Aliasing, and Filters

Roman Sowa rsowa at WizjaTV.pl
Sat Dec 5 13:17:14 CET 1998


I didn't want to start this aliasing thing again.
this whole thing made me sick of DSPs, wavetables and so on.
I'll stick to analog for a while

BTW if anyone recalls my posts about SSM2164 VCO, get ready
for results. It's almost done. And not only that - VC ADDSR too.

Roman

	-----Oryginalna wiadomość-----
	Od:	Harvey Devoe Thornburg [SMTP:harv23 at leland.Stanford.EDU]
	Wysłano:	4 grudnia 1998 07:43
	Do:	rsowa at WizjaTV.pl
	DW:	synth-diy at mailhost.bpa.nl
	Temat:	Re: ODP: DCO's, Anti-Aliasing, and Filters


	When you run everything at a common sampling rate and change the
pitch 
	continuously using DSP (by this I mean sample rate conversion),
there's no
	way to maintain integer relationships.  Then you need to implement
an 
	antialiasing filter, equivalent to sinc interpolation.

	In summary, the effect of aliasing depends on your implementation.
	So -- what exactly is your implementation?

	--Harvey




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