Difference between revisions of "Semitone scale"

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==Definition==
 
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Twelve [[semitone]]s form one [[octave]], which is defined as a doubling of the [[fundamental frequency]]. As the human [[auditory system]] perceives tones in a logarithmic way (instead of in a linear way), the logarithmic semitone scale is a more appropriate measure of the perceptual consequences of differences in fundamental frequency. The following conversion transforms frequency (F) values into semitones (ST):  
 
Twelve [[semitone]]s form one [[octave]], which is defined as a doubling of the [[fundamental frequency]]. As the human [[auditory system]] perceives tones in a logarithmic way (instead of in a linear way), the logarithmic semitone scale is a more appropriate measure of the perceptual consequences of differences in fundamental frequency. The following conversion transforms frequency (F) values into semitones (ST):  
  
 
  ST=39.87*log(F/50)
 
  ST=39.87*log(F/50)
  
=== Links ===
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== Links ==
 
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[http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Semitone+scale&lemmacode=1363 Utrecht Lexicon of Linguistics]
 
[http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Semitone+scale&lemmacode=1363 Utrecht Lexicon of Linguistics]
  
 
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[[Category:Phonetics]]
 
[[Category:Phonetics]]

Latest revision as of 20:48, 28 October 2014

STUB


Definition

Twelve semitones form one octave, which is defined as a doubling of the fundamental frequency. As the human auditory system perceives tones in a logarithmic way (instead of in a linear way), the logarithmic semitone scale is a more appropriate measure of the perceptual consequences of differences in fundamental frequency. The following conversion transforms frequency (F) values into semitones (ST):

ST=39.87*log(F/50)

Links

Utrecht Lexicon of Linguistics