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Re: FIR filtersThanks Frank … I was using the term too loosely, perhaps it would have been better to say linear / minimum phase.FWIW the classic example of linear / non-minimum phase in this discussion would be an all-pass filter.The problem with the “complete frequency response" is that it is typically the sum of 2 or 3 separate sources (Hi Mid Low). The location of the sources are generally different as is their directivity. This makes things complicated, they will not mathematically sum nicely. Accordingly each individual source will need to behave perfectly in the time domain in order to achieve the best result … and ... then there is the reverberant energy we hear.This is one of the things I love about Danley’s approach with his synergy horn / multi driver point source approach - just one point and one (virtual ) speaker to deal with.
Re: FIR filters
Thanks Frank … I was using the term too loosely, perhaps it would have been better to say linear / minimum phase.
FWIW the classic example of linear / non-minimum phase in this discussion would be an all-pass filter.
The problem with the “complete frequency response" is that it is typically the sum of 2 or 3 separate sources (Hi Mid Low). The location of the sources are generally different as is their directivity. This makes things complicated, they will not mathematically sum nicely. Accordingly each individual source will need to behave perfectly in the time domain in order to achieve the best result … and ... then there is the reverberant energy we hear.
This is one of the things I love about Danley’s approach with his synergy horn / multi driver point source approach - just one point and one (virtual ) speaker to deal with.
