Difference between revisions of "Spectral slope"
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The [[amplitude]] of the [[harmonics]] resulting from [[vocal folds|vocal fold]] vibration falls off by 12 [[dB]] per [[octave]]. This means that each time the [[frequency]] doubles, the amplitude of the harmonics decreases by 12 dB. This is called the '''spectral slope''' (or '''tilt''' or '''roll-off''') in the source [[spectrum]]. | The [[amplitude]] of the [[harmonics]] resulting from [[vocal folds|vocal fold]] vibration falls off by 12 [[dB]] per [[octave]]. This means that each time the [[frequency]] doubles, the amplitude of the harmonics decreases by 12 dB. This is called the '''spectral slope''' (or '''tilt''' or '''roll-off''') in the source [[spectrum]]. | ||
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[http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Spectral+slope&lemmacode=1390 Utrecht Lexicon of Linguistics] | [http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Spectral+slope&lemmacode=1390 Utrecht Lexicon of Linguistics] | ||
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[[Category:Phonetics]] | [[Category:Phonetics]] | ||
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Latest revision as of 10:13, 4 November 2014
Definition
The amplitude of the harmonics resulting from vocal fold vibration falls off by 12 dB per octave. This means that each time the frequency doubles, the amplitude of the harmonics decreases by 12 dB. This is called the spectral slope (or tilt or roll-off) in the source spectrum.
Links
Utrecht Lexicon of Linguistics
STUB |