The speech spectral envelope is referred as an approximation to the frequency response of the vocal tract obtained from the speech signal. The speech spectral envelope contains the most discriminative information available in speech to distinguish phonemes and speakers.
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(2009). Speech Spectral Envelope. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_776
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DOI: https://doi.org/10.1007/978-0-387-73003-5_776
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-73002-8
Online ISBN: 978-0-387-73003-5
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