Results 251 to 260 of about 15,946 (296)
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The Journal of the Acoustical Society of America, 1952
A new determination was made of the way in which differential sensitivity for frequency varies both with loudness level (up to 30 phons) mud with frequency (60–4000 cps). The effect of loudness level is independent of frequency, but sensitivity (in terms of cycles discriminable) improves continuously as frequency decreases.
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A new determination was made of the way in which differential sensitivity for frequency varies both with loudness level (up to 30 phons) mud with frequency (60–4000 cps). The effect of loudness level is independent of frequency, but sensitivity (in terms of cycles discriminable) improves continuously as frequency decreases.
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Macaque monkeys discriminate pitch relationships
Cognition, 2004This study demonstrates that non-human primates can categorize the direction of the pitch change of tones in a sequence. Two Macaca fascicularis were trained in a positive-reinforcement behavioral paradigm in which they listened to sequences of a variable number of different acoustic items.
Michael, Brosch +3 more
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Vocal pitch discrimination in the motor system
Brain and Language, 2011Speech production can be broadly separated into two distinct components: Phonation and Articulation. These two aspects require the efficient control of several phono-articulatory effectors. Speech is indeed generated by the vibration of the vocal-folds in the larynx (F0) followed by ''filtering" by articulators, to select certain resonant frequencies ...
D'AUSILIO, Alessandro +4 more
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Pitch discrimination interference: Monaural and binaural pitches
The Journal of the Acoustical Society of America, 2007Fundamental frequency (F0) discrimination between two sequentially presented complex (target) tones can be impaired in the presence of an additional complex tone (the interferer) filtered into a remote spectral region [H. Gockel, R. P. Carlyon, and C. J. Plack, J. Acoust. Soc. Am. 116, 1092–1104 (2004)].
Hedwig E. Gockel +2 more
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Auditory Memory in a Pitch-Discrimination Task
The Journal of the Acoustical Society of America, 1970Discrimination of pure tones after a variable time delay was investigated using an ABX procedure. Three experiments were performed. In the first, scores for subjects were near perfect (>90%) for systematically increasing delays between B and X of up to 120 sec when A and B were equal-amplitude pure tones of 1000 and 1100 Hz, respectively. In the
I B, Thomas +3 more
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Discrimination of Pitch in Short Pulses of Sound
Nature, 1950IT has been observed, when using short pulses of tone for echo-location in auditoria, that pulses which are too short to give any clear impression of pitch when heard directly from a loudspeaker seem to assume a more definite pitch when radiated into an auditorium.
C L S, GILFORD, T, SOMERVILLE
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Pitch and pitch discrimination of broadband signals with rippled power spectra
The Journal of the Acoustical Society of America, 1978A random-interval pulse train or wide-band noise when delayed (τ) and added back to itself (cos+) produces a stimulus with a cosinusoidally varying (or rippled) power spectrum. The spacing between the peaks in the spectrum is equal to the reciprocal of the delay (1/τ).
William A. Yost +2 more
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Measurement of Pitch Discrimination
Journal of Research in Music Education, 1973Two attitudes are detectable in the research of psychologists interested in the measurement of musical abilities. Some researchers have accepted the dictum originally expressed by Seashore that Inusicality comprises a number of component abilities, each of which is capable of individual measurement.l Investigations based on this viewpoint have taken ...
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Lateralization of phonetic and pitch discrimination in speech processing
Science, 1992Cerebral activation was measured with positron emission tomography in ten human volunteers. The primary auditory cortex showed increased activity in response to noise bursts, whereas acoustically matched speech syllables activated secondary auditory cortices bilaterally.
Zatorre, R J +3 more
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The Journal of the Acoustical Society of America, 1991
Dichotic Huggins pitch was produced by generating broadband noise stimuli with narrow sections of the noise (bandwidths of 2, 4, 8, 16, 32, 64, and 128 Hz) interaurally phase shifted (by 90°, 135°, or 180°). The center frequencies of the narrow dichotic bands to which the interaural phase shifts were added were varied to change the value of the Huggins
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Dichotic Huggins pitch was produced by generating broadband noise stimuli with narrow sections of the noise (bandwidths of 2, 4, 8, 16, 32, 64, and 128 Hz) interaurally phase shifted (by 90°, 135°, or 180°). The center frequencies of the narrow dichotic bands to which the interaural phase shifts were added were varied to change the value of the Huggins
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