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Sound Waveforms Neil E. Cotter Associate Professor (Lecturer) ECE Department University of Utah CONCEPT U AL TOOLS.

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Presentation on theme: "Sound Waveforms Neil E. Cotter Associate Professor (Lecturer) ECE Department University of Utah CONCEPT U AL TOOLS."— Presentation transcript:

1 Sound Waveforms Neil E. Cotter Associate Professor (Lecturer) ECE Department University of Utah CONCEPT U AL TOOLS

2 Resonances CONCEPT U AL TOOLS [1]

3 Chords CONCEPT U AL TOOLS [2]

4 Vocal Tract CONCEPT U AL TOOLS Pipe organ Driven by puffs of air [3]

5 Formants CONCEPT U AL TOOLS Frequency response Vowel = musical chord [4]

6 Glottal Pulses CONCEPT U AL TOOLS Rate = voice pitch Shape varies slightly [5]

7 Speech Waveform CONCEPT U AL TOOLS Vowel repetitive [8] Fricatives noisy Plosive explosive [6] [7]

8 References CONCEPT U AL TOOLS [1]http://www.nmha.org/go/bellhttp://www.nmha.org/go/bell [2]http://www.wallpapersbuzz.com/bulldog/a-bulldog-playing-piano.htmlhttp://www.wallpapersbuzz.com/bulldog/a-bulldog-playing-piano.html [3]http://www.vocalclinic.net/http://www.vocalclinic.net/ [4]http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2011/wd65_yz526/wd65 and yz526/highlevel.htmlhttp://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2011/wd65_yz526/wd65 and yz526/highlevel.html [5]http://www.jr.ietejournals.org/article.asp?issn=0377-2063;year=2011;volume=57;issue=4;spage=363;epage=371;aulast=Rajhttp://www.jr.ietejournals.org/article.asp?issn=0377-2063;year=2011;volume=57;issue=4;spage=363;epage=371;aulast=Raj [6] http://web.science.mq.edu.au/~cassidy/comp449/html/comp449.htmlhttp://web.science.mq.edu.au/~cassidy/comp449/html/comp449.html [7]http://folk.uio.no/ristoh/aspiration/analysis.htmlhttp://folk.uio.no/ristoh/aspiration/analysis.html [8]http://www.phon.ucl.ac.uk/home/johnm/siphtra/plostut2/plostut2-5.htmhttp://www.phon.ucl.ac.uk/home/johnm/siphtra/plostut2/plostut2-5.htm Neil E. Cotter necotter@ece.utah.edu

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