MY ETD IS MADE BY SIEMENS

alan forsyth alan at forsythalan.wanadoo.co.uk
Mon Mar 20 15:49:26 MST 2006


No, they are the same note depending on which system you use. Here we use the single note reference i.e. A1, Bb2, C40, F45 etc. You might use the octave reference system which to me is confusing. You guys over there went astray ever since the Boston Tea Party!

AF
  ----- Original Message ----- 
  From: Avery 
  To: Pianotech List 
  Sent: Monday, March 20, 2006 8:53 PM
  Subject: Re: MY ETD IS MADE BY SIEMENS


  Alan,

  A0 & A1 are an octave apart. :-) 

  Avery 

  At 02:39 PM 3/20/2006, you wrote:

    ....................."I seem to remember reading somewhere that it was around 30 hz.  Very iffy.

        /Is the point which beat rate is too fast to  
        be unusable for us aural tuners any higher than 12 bps? Maybe that's  
        another measurement for an ETD./

    Definitely (Ric) not.  You can use 15 - 20 bps no problem.  That is to say if 
    you are comparing two intervals in which the reference note yields 
    roughly 20 bps for both intervals... an aural comparison is easy enough 
    to accomplish.".............
     
    This is the reason why AO (or A1) is the first note or lowest note on the piano. Any frequency (read as beat rate) lower than 27.5 Hz is no longer perceived as a sound by the "human" brain. In theory we start to hear the separate beats or pulses.
     
    AF
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