PowerPoint Presentation - Pulsed Neurons

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Sound and Matlab
Neil E. Cotter
ECE Department UNIVERSITY OF UTAH necotter_at_ece.uta
h.edu
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Resonances
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Vocal Tract
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• Pipe organ
• Driven by puffs of air

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Formants
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• Frequency response
• Vowel musical chord

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Glottal Pulses
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• Rate voice pitch
• Shape varies slightly

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Speech Waveform
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• Vowel repetitive

• Plosive explosive

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• Fricatives noisy

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References
1 http//www.nmha.org/go/bell 2 http//www.vo
calclinic.net/ 3 http//people.ece.cornell.edu/l
and/courses/ece4760/FinalProjects/s2011/wd65_yz526
/wd65 and yz526/highlevel.html 4 http//www.jr.i
etejournals.org/article.asp?issn0377-2063year20
11volume57issue4spage363epage371aulastRa
j 5 http//web.science.mq.edu.au/cassidy/co
mp449/html/comp449.html 6 http//folk.uio.no/ris
toh/aspiration/analysis.html 7 http//www.phon.u
cl.ac.uk/home/johnm/siphtra/plostut2/plostut2-5.ht
m
Neil E. Cotter
necotter_at_ece.utah.edu
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