[sdiy] Digital oscillators [was: Active VCO temp compensation]

Antti Huovilainen ajhuovil at cc.hut.fi
Wed Dec 24 14:08:15 CET 2008


On Wed, 24 Dec 2008, Tom Wiltshire wrote:

> E.g. It'd probably be neater to just store one heavily oversampled 
> bandlimited step, rather than have a whole array of separate tables for 
> different subsample offsets like they suggest.

No. Separate tables (polyphase interpretation) allows simply mixing one 
entire table to the output buffer. Storing one long step requires stepping 
M indices in the table for each sample.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova



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