1977 IEEE International Conference on Acoustics, Speech and Signal Processing PDF Download
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Author:
Publisher:
ISBN:
Category : Electro-acoustics
Languages : en
Pages : 879
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Author:
Publisher:
ISBN:
Category : Electro-acoustics
Languages : en
Pages : 879
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Author: Institute of Electrical and Electronics Engineers. Acoustics, Speech, and Signal Processing Society
Publisher:
ISBN:
Category :
Languages : en
Pages : 879
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Author:
Publisher:
ISBN: 9780818679193
Category :
Languages : en
Pages : 0
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Author: Institute of Electrical and Electronics Engineers
Publisher:
ISBN:
Category : Acoustical engineering
Languages : en
Pages : 904
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Author:
Publisher:
ISBN:
Category : Acoustical engineering
Languages : en
Pages : 879
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Author: Cleveland Electrical Electronics Conference and Exposition
Publisher:
ISBN:
Category :
Languages : en
Pages : 155
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Author:
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ISBN:
Category : Automatic speech recognition
Languages : en
Pages : 879
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Author:
Publisher:
ISBN:
Category : Acoustical engineering
Languages : en
Pages : 880
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Author: W. Hess
Publisher: Springer Science & Business Media
ISBN: 3642819265
Category : Science
Languages : en
Pages : 713
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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).
Author: ICASSP 1999, Phoenix, Arizona, USA
Publisher:
ISBN: 9780780350410
Category :
Languages : en
Pages : 636
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