Actually, there is a lot of these kinds of questions I would love to know the answers too. Questions about decay and pitch change as they relate to differing bridge conditions and string coupling situations. And I would be interested in just how much of these things piano manufacturers can design into a piano and how much field techs can manipulate. I've heard much and read much relating to this basic subject matter, and its apparent that there is not all that much hard science out there... at least not readily available in printed form... but there is no lack of differing opinion... grin.. I am not really too confident in how usefull our three main ETD's are in these regards. Measurements taken by them seem at best to be a bit shakey. You have to take so many for each sample to arrive to a representative sample. Direct referencing seems quite a bit more sure but there is only so much you can learn from watching the display waver back an forth. Ah...hooot.. why couldnt I have been born an acoustics professor with access to all that fancy equipment and the mind to know what to do with it ? > > > > Now my question would be. If that were true would the shape or point of > > > shift in the amplitude plot be delayed? That would be an interesting > > > question to test with a set up to plot the timing of the transition from > > > prompt sound to aftersound with different string levels etc. > > > > > > Anybody care to render an opinion? > > > > > > Carl Meyer > > > -- Richard Brekne RPT, N.P.T.F. Bergen, Norway mailto:Richard.Brekne@grieg.uib.no
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