This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment No they don=B4t and there are good physical reasons why they don=B4t. = (You will find not one tuner at Steinway (at least in Hamburg) who is = allowed to service concerts with an ETD for example). This has nothing = to do with traditionalism or ignorance to modern technology.=20 Most modern ETD=B4s are doing fast fourier transformation (FFT) for = pitch calculation.=20 Be sure, the he ear has no FFT transformator... There is a big = difference in what you get measured and what you hear. In some ETD manuals you find sometimes statements of "0.1 Hz accuracy" This is true for a signal that would not float in pitch over more than 2 = or 3 seconds to catch enough samples at the current possible = samplerates. Piano sounds are a really nonlinear matter that can float = in pitch up to some Hz over a second, when strucked firm. By = transforming a signal from the time domain into the frequency domain = with the desired accuracy (what most ETD=B4s do), you loose the = information when a singal passes exactly what frequency at what time. = Tuning with an ETD makes it necessary to tune at low volume levels = (Pitch float is less at low volume levels). A good aural tuner tune with = a firm struck, to catch also the transient phase of the sound at higher = volumes. Low volume tuning is like not voicing the left pedal, it leaves = the transient phase untuned. But sometimes it may happen, that the = pianist also use volumes above mp... Bernhard Stopper Qui habet aures audiendi audiat ----- Original Message -----=20 From: Alan Barnard=20 To: Pianotech=20 Sent: Friday, January 06, 2006 10:26 PM Subject: Re: Cracking the unisons Yes they do! And just as soon as I finish hemming these curtains and = eating my spinach quiche I'm going to come right over there and wag my = finger at you. You, you, big meany, you. Alan Barnard Salem, Missouri ----- Original Message -----=20 From:=20 To: Pianotech Sent: 01/06/2006 3:45:04 PM=20 Subject: Re: Cracking the unisons ...nor do they use ETD=B4s Bill Ballard wrote: Real Piano Men don't use mutes. (you know who you are.......) ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/87/eb/f1/76/attachment.htm ---------------------- multipart/alternative attachment--
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