On Jan 18, 2011, at 10:46 AM, David M. Porritt wrote: > Having cared for Bosendorfer Imperials and having heard the "extra > low notes" I know why most makers don't have them One interesting thing that came through in the audio was the fact that the lower notes are perceived as having a very pronounced beat, which is the fundamental pitch: it is slow enough that we hear it as a beat. The "pitch" we hear is composed of the partials, and whatever the brain does to process them. Regards, Fred Sturm fssturm at unm.edu
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