Stuart

[Kent Swafford]

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The mathematics behind perfect piano tunes revealed!:

  [Technology India]: Sydney, Oct 8 : Making a piano sound better may 
have more to do with maths than with the skill of actually playing it, 
if scientists at the CSIRO division of Mathematical and Information 
Sciences in Australia are to be believed.

According to ABC online, the scientists led by Dr Bob Anderssen have 
worked out the mathematical formula that shows why Stuart & Sons grand 
pianos can produce notes of extraordinary clarity and tone. It has also 
fetched Anderssen the George Szekeres Medal for his contribution to 
maths.

Australia's Stuart & Sons grand pianos use a different string clamp to 
traditional grand piano and so they play notes that produce sounds with 
more purity, sustain and volume.

Anderssen used his speciality in "inverse problems" to work out the 
maths of piano string vibrations. "In order to explain the difference 
between the Stuart and traditional pianos, one has to take into account 
the fact that the tension changes and the string length changes 
slightly," he said.

Anderssen used a non-linear string equation and included the tension 
and string length changes. He said inverse problems were used to 
translate between two-dimensions and three-dimensions. (ANI)


  
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