Difference between revisions of "Shimmer"
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| + | ==Definition== | ||
Fluctuations in [[amplitude]]. Like [[jitter]], measures of shimmer serve as an index of [[vocal stability]]. Excessive shimmer has been tied to the perception of hoarseness. A mean amplitude difference of 0.7 [[dB]] or variation less than about 7% of the mean amplitude may be expected in a sustained [[phonation]] produced by a normal speaker. | Fluctuations in [[amplitude]]. Like [[jitter]], measures of shimmer serve as an index of [[vocal stability]]. Excessive shimmer has been tied to the perception of hoarseness. A mean amplitude difference of 0.7 [[dB]] or variation less than about 7% of the mean amplitude may be expected in a sustained [[phonation]] produced by a normal speaker. | ||
| − | + | == Links == | |
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* [http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Shimmer&lemmacode=1289 Utrecht Lexicon of Linguistics] | * [http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Shimmer&lemmacode=1289 Utrecht Lexicon of Linguistics] | ||
* [http://www-uilots.let.uu.nl/~audiufon/data/bronparameters.html#demoshimmer Audio demonstration] | * [http://www-uilots.let.uu.nl/~audiufon/data/bronparameters.html#demoshimmer Audio demonstration] | ||
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[[Category:Phonetics]] | [[Category:Phonetics]] | ||
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Latest revision as of 19:12, 28 October 2014
Definition
Fluctuations in amplitude. Like jitter, measures of shimmer serve as an index of vocal stability. Excessive shimmer has been tied to the perception of hoarseness. A mean amplitude difference of 0.7 dB or variation less than about 7% of the mean amplitude may be expected in a sustained phonation produced by a normal speaker.
Links
| STUB |
