The pitch denotes the frequency at which the vocal cords open and close the larynx to produce the voiced sounds. The sound then produced resonates according to the shapes of the different cavities of the vocal apparatus. The pitch and resonances are generally measured through a frequency based analysis of the speech signal to extract information dependent to the speaker.
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(2009). Pitch. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_660
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DOI: https://doi.org/10.1007/978-0-387-73003-5_660
Publisher Name: Springer, Boston, MA
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