Download or read book Pitch Determination of Speech Signals written by W. Hess and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pitch (i.e., fundamental frequency FO and fundamental period TO) occupies a key position in the acoustic speech signal. The prosodic information of an utterance is predominantly determined by this parameter. The ear is more sensitive to changes of fundamental frequency than to changes of other speech signal parameters by an order of magnitude. The quality of vocoded speech is essentially influenced by the quality and faultlessness of the pitch measure ment. Hence the importance of this parameter necessitates using good and reliable measurement methods. At first glance the task looks simple: one just has to detect the funda mental frequency or period of a quasi-periodic signal. For a number of reasons, however, the task of pitch determination has to be counted among the most difficult problems in speech analysis. 1) In principle, speech is a nonstationary process; the momentary position of the vocal tract may change abruptly at any time. This leads to drastic variations in the temporal structure of the signal, even between subsequent pitch periods, and assuming a quasi-periodic signal is often far from realistic. 2) Due to the flexibility of the human vocal tract and the wide variety of voices, there exist a multitude of possible temporal structures. Narrow-band formants at low harmonics (especially at the second or third harmonic) are an additional source of difficulty. 3) For an arbitrary speech signal uttered by an unknown speaker, the fundamental frequency can vary over a range of almost four octaves (50 to 800 Hz).

Download or read book Selected Library Acquisitions written by United States. Department of Transportation and published by . This book was released on with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Catalog of Copyright Entries written by Library of Congress. Copyright Office and published by . This book was released on 1981 with total page 2226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Journal of the Acoustical Society of America written by and published by . This book was released on 1977 with total page 1334 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Digest of Papers Compcon written by and published by . This book was released on 1980 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Library of Congress Catalogs written by Library of Congress and published by . This book was released on 1979 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Index to IEEE Publications written by Institute of Electrical and Electronics Engineers and published by . This book was released on 1980 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for 1973- cover the entire IEEE technical literature.

Download or read book Bibliographic Guide to Conference Publications written by New York Public Library. Research Libraries and published by . This book was released on 1979 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1975- include publications cataloged by the Research Libraries of the New York Public Library with additional entries from the Library of Congress MARC tapes.

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Download or read book RLE Progress Report written by Massachusetts Institute of Technology. Research Laboratory of Electronics and published by . This book was released on 1979 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Journal of Rehabilitation Research Development written by and published by . This book was released on 1987 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Journal of Rehabilitation Research and Development written by and published by . This book was released on 1986 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Journal of the Audio Engineering Society written by Audio Engineering Society and published by . This book was released on 1978 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Catalogue of Title entries of Books and Other Articles Entered in the Office of the Librarian of Congress at Washington Under the Copyright Law Wherein the Copyright Has Been Completed by the Deposit of Two Copies in the Office written by Library of Congress. Copyright Office and published by . This book was released on 1978 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: