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In Reply to: Inside modern crossovers/signal processors..Is there a digital "protocol" and other questions posted by topogon on November 16, 2001 at 02:08:27:
Well here is what I know:1. There can be loss of quality. Depends on how well the math is done. Also, they make the assumption for Infinite Impulse Response (IIR) filters (like all analog filters) that you can get away with a finite time for the math. Also, since you have finite precision with your numbers, you can "round out" numbers if you set up the filters wrong. Still the A/D and D/A's will probably be the biggest noise issues. Also, many need special limiting before going into the A/D to keep the signal within bounds otherwise many converters give wildly erroneous results.
2. No standard as all signals can have a different number of bits, at different rates. Might be some standards for the devices you are looking at. Also, still need some volume control prior to the crossover and this is usually done in the analog world.
3. I would say easier to use. People like the programability, built in extras (delays, compressors/limiters, etc), and "digitalness". Still can't say they should be quieter, see no reason for it.
chris m
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Follow Ups
- Re: Inside modern crossovers/signal processors..Is there a digital "protocol" and other questions - Chris M 08:36:44 11/16/01 (1)
- Re: Inside modern crossovers/signal processors..Is there a digital "protocol" and other questions - topogon 03:55:32 11/18/01 (0)
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