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In Reply to: RE: How many horn speakers are truly "time/phase-coherent"? posted by genungo on October 06, 2015 at 08:23:03
The terms "flat phase" and "minimum phase" are reasonably well defined engineering terms, and "Time Aligned" is at least a trademark term, though I not too clear on what **exactly** it means. "Coherent" has a technical definition that is not relevant to this situation.
Follow Ups:
Here's one "time-coherent" speaker designer's beliefs explained:
The thing is that all instrument's notes have starting transients aka attacks, and decays.
Some instruments do continuous tones as well.
In identifying characteristic timbre we pay most attention to attacks, then decays, continuous tones actually come third in value to our affective systems. We can get by on attacks alone.
Some instruments don't have a continuous tone: percussion and pianos.
Most expression and nuance is in the beginning and ends of notes.
The article would be a bit more apposite if that long-established science was mentioned.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
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nt
.., and to each his own, I guess!
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