Andrew J. Oxenham (Editor), Richard R. Fay (Editor)'s Pitch: Neural Coding and Perception (Springer Handbook of PDF

By Andrew J. Oxenham (Editor), Richard R. Fay (Editor) Christopher J. Plack (Editor)

ISBN-10: 0387234721

ISBN-13: 9780387234724

Even if pitch has been thought of a huge zone of auditory learn because the beginning of recent acoustics within the nineteenth century, one of the most major advancements in our knowing of this phenomenon have happened relatively lately. In auditory body structure, researchers are actually opting for cells within the brainstem and cortex that could be enthusiastic about the derivation of pitch. In auditory psychophysics, dramatic advancements during the last few years have replaced our knowing of temporal pitch mechanisms, and of the jobs of resolved and unresolved harmonics. Computational modeling has supplied new insights into the organic algorithms which can underlie pitch notion. glossy mind imaging innovations have prompt attainable cortical destinations for pitch mechanisms. This well timed quantity brings jointly the newer findings, whereas emphasizing their relation to the discoveries of the prior. It brings jointly insights from numerous varied methodological parts: body structure, psychophysics, comparative, imaging, etc., in addressing a unmarried clinical challenge. Pitch conception might be considered as one of many major difficulties of listening to, and the multidisciplinary process of the e-book offers a worthwhile reference resource for graduate scholars and teachers.

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1962) measured the pitch of sinusoidally amplitude-modulated pure tones. These stimuli have components at fc Ϫ g, fc, and fc ϩ g, where fc is the carrier frequency and g is the modulation frequency. , 1800, 2000, and 2200 Hz), and an envelope repetition rate of g (200 Hz in this case). , 1840, 2040, and 2240), but the envelope repetition rate remains equal to g. Schouten et al. reported that increasing or decreasing fc produced shifts in the pitch of the waveform (compared to three-component harmonic complexes with the same carrier) that were consistent with the intervals between peaks in the fine structure close to (but not coincident with) the envelope peaks.

If a noise stimulus is amplitude modulated, so that its envelope varies periodically but its fine structure remains random, then a weak pitch can be produced. Pollack (1969) showed that a white noise turned on and off repeatedly (“interrupted noise”) can be matched to a sinusoid with a frequency equal to the interruption rate for interruption rates up to around 2000 Hz (although this was only for one listener, and it is not certain that the comparison was made on the basis of pitch). Similarly, noise that is modulated sinusoidally (SAM noise) has a pitch corresponding to the modulation frequency.

J. J. Oxenham to fibers with high characteristic frequencies (CFs). In studies of binaural processing, researchers have found that subjects can extract the temporal information from the envelope of a transposed stimulus with the same accuracy as that from the fine structure of the original low-frequency stimulus, at least for frequencies up to 150 Hz (van de Par and Kohlrausch 1997; Bernstein and Trahiotis 2002). If the temporal information conveyed by transposed stimuli can be evaluated for binaural information, can it be used for pitch?

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Pitch: Neural Coding and Perception (Springer Handbook of Auditory Research) by Andrew J. Oxenham (Editor), Richard R. Fay (Editor) Christopher J. Plack (Editor)


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