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RE: Thanksgiving for digital crossovers.....

Posted by Davey on November 27, 2010 at 15:33:59

In Reply to: RE: Thanksgiving for digital crossovers..... posted by play-mate on November 27, 2010 at 13:02:43:

You've missed the point. The "absolute" time domain is not an issue. Obviously there is latency in any DSP solution. It might be 100uS or it might be 100mS or it might be 1 second. It doesn't matter as long as the 'relative' time delays are such that a linear-phase crossover (constant group delay) crossover is created. This latency would only be an issue if you were implementing some other analog filter/crossover OUTSIDE the digital portion of your crossover system. With a "hybrid" system like that the latency of the digital system would need to be understood and (probably) accounted for. An example is mentioned in the thread below talking with "Davy."

I'm not sure why you mentioned analog crossovers. I was talking about digital crossovers.....which I thought you were. Analog crossovers are obviously a different can of worms.

Cheers,

Dave.

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