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Audio Speech Research Note

Ryan J. Cassidy (
Center for Computer Research in Music and Acoustics (CCRMA)
Department of Music, Stanford University
Stanford, CA 94305


This document discusses some topics important to the understanding of the production, analysis, and modeling of human speech. Topics presented include the anatomy of the vocal tract, methods of describing speech sounds, the analysis and synthesis of vowel sounds, and the synthesis of vowel sounds using the CCRMA Common Lisp Music (CLM) package and the CCRMA Synthesis Tool Kit (STK).

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``Audio Speech Research Note'', Ryan J. Cassidy, published electronically by author, July 2003.
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Copyright © 2003-11-28 by Ryan J. Cassidy.
Please email errata, comments, and suggestions to Ryan J. Cassidy <>
Stanford University