Results 121 to 130 of about 464,580 (167)

Estimation of fundamental frequencies

IEE Proceedings F Radar and Signal Processing, 1993
Although heuristical in nature, cepstrum analysis is probably the most familiar tool for estimating the fundamental frequency (FF) of a periodic signal embedded in noise. The reason might be that model-based procedures designed to determine the FF either are likely to estimate pure fractions of the true frequency or else require a priori information ...
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Fundamental Frequency Stability in Functional Dysphonia

Acta Oto-Laryngologica, 1993
Functional dysphonia is a term applied to voice disorders for which there is an absence of apparent structural change in the larynx. The aim of this work was to investigate how functional dysphonia may differ acoustically from other types of dysphonia.
M N, Kotby, I R, Titze, M M, Saleh, D A, Berry   +3 more
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Fundamentals of Frequency Control

2018
In this chapter, the concepts regarding frequency, as a basic parameter of power systems are described. Initially, the physical phenomenon, based on that, this parameter is affected and how it can be controlled are explained. A short historical view on frequency is then followed. It is then discussed how the players in a power system may be affected by
Hossein Seifi, Hamed Delkhosh
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Fundamental frequency from classical molecular dynamics

Physical Chemistry Chemical Physics, 2015
We give a theoretical validation of for calculating fundamental frequencies of a molecule from classical molecular dynamics (MD) when its anharmonicity is small enough to be treated by perturbation theory.
Tomonori, Yamada, Misako, Aida
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Automated estimation of relative fundamental frequency

2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2013
Relative fundamental frequency (RFF), defined as the normalized fundamental frequencies of vowels surrounding voiceless consonants, has been shown to have a characteristic pattern in healthy voices that differs from those with disordered voices (e.g. vocal hyperfunction, Parkinson's disease).
Yu-An S, Lien, Cara E, Stepp
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FUNDAMENTAL FREQUENCY CHARACTERISTICS OF JAPANESE ASAI SPEAKERS

The Laryngoscope, 1973
AbstractThe purpose of this study is to evaluate the Asai procedure in terms of the postoperative fundamental vocal frequency of a group of native Japanese Asai speakers and to ascertain if auditory impressions are related in fact to acoustical impressions of higher fundamental vocal frequency.
E T, Curry, J C, Snidecor, N, Isshiki
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Nonconscious control of fundamental voice frequency

The Journal of the Acoustical Society of America, 2008
The aim of this paper is to answer the question whether “perception-action” dissociation, which is well documented in vision, may also be found in auditory information processing. Trained singers were asked to produce vowel sounds into a microphone. The sound that each singer produced was fed back to their ears via headphones.
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Perceptual learning of fundamental frequency discrimination: Effects of fundamental frequency, harmonic number, and component phase

The Journal of the Acoustical Society of America, 2010
Thresholds (F0DLs) were measured for discrimination of the fundamental frequency (F0) of a group of harmonics (group B) embedded in harmonics with a fixed F0. Miyazono and Moore [(2009). Acoust. Sci. & Tech. 30, 383386] found a large training effect for tones with high harmonics in group B, when the harmonics were added in cosine phase. It is shown
Hiromitsu, Miyazono, Brian R, Glasberg, Brian C J, Moore   +2 more
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The perception of fundamental frequency declination

The Journal of the Acoustical Society of America, 1979
A series of experiments was carried out to investigate how fundamental frequency declination is perceived by speakers of English. Using linear predictor coded speech, nonsense sentences were constructed in which fundamental frequency on the last stressed syllable had been systematically varied.
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Fundamental Frequency Peak Delay in Mandarin

Phonetica, 2000
Abstract Fundamental frequency (F₀) peak delay (henceforth peak delay) refers to the phenomenon that an F₀ peak sometimes occurs after the syllable it is associated with either lexically or prosodically. Although peak delay has been reported for various languages, the mechanism of its occurrence has so far remained unclear.
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