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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 Hits 1 – 20 of 32 1 Formant-frequency variation and its effects on across-formant grouping in speech perception Roberts, Brian; Summers, Robert J.; Bailey, Peter J.. - : Springer, 2013 Abstract: How speech is separated perceptually from other speech remains poorly understood. In a series of experiments, perceptual organisation was probed by presenting three-formant (F1+F2+F3) analogues of target sentences dichotically, together with a competitor for F2 (F2C), or for F2+F3, which listeners must reject to optimise recognition. To control for energetic masking, the competitor was always presented in the opposite ear to the corresponding target formant(s). Sine-wave speech was used initially, and different versions of F2C were derived from F2 using separate manipulations of its amplitude and frequency contours. F2Cs with time-varying frequency contours were highly effective competitors, whatever their amplitude characteristics, whereas constant-frequency F2Cs were ineffective. Subsequent studies used synthetic-formant speech to explore the effects of manipulating the rate and depth of formant-frequency change in the competitor. Competitor efficacy was not tuned to the rate of formant-frequency variation in the target sentences; rather, the reduction in intelligibility increased with competitor rate relative to the rate for the target sentences. Therefore, differences in speech rate may not be a useful cue for separating the speech of concurrent talkers. Effects of competitors whose depth of formant-frequency variation was scaled by a range of factors were explored using competitors derived either by inverting the frequency contour of F2 about its geometric mean (plausibly speech-like pattern) or by using a regular and arbitrary frequency contour (triangle wave, not plausibly speech-like) matched to the average rate and depth of variation for the inverted F2C. Competitor efficacy depended on the overall depth of frequency variation, not depth relative to that for the other formants. Furthermore, the triangle-wave competitors were as effective as their more speech-like counterparts. Overall, the results suggest that formant-frequency variation is critical for the across-frequency grouping of formants but that this grouping does not depend on speech-specific constraints. URL: https://publications.aston.ac.uk/id/eprint/20933/ BASE Hide details 2 Comparison of performance with voiced and whispered speech in word recognition and mean-formant-frequency discrimination Patterson, Roy D.; Aoki, Yoshie; Kawahara, Hideki... In: Speech communication. - Amsterdam [u.a.] : Elsevier 54 (2012) 9, 998-1013 BLLDB OLC Linguistik Show details 3 Auditory-based processing of communication sounds Walters, Thomas C.. - : University of Cambridge, 2011. : Department of Physiology, Development and Neuroscience, 2011 BASE Show details 4 How the Human Brain Recognizes Speech in the Context of Changing Speakers von Kriegstein, Katharina; Smith, David R. R.; Patterson, Roy D.. - 2010 BASE Show details 5 Reviewing the definition of timbre as it pertains to the perception of speech and musical sounds Patterson, Roy D; Walters, Thomas C; Monaghan, Jessica J. M. - : New York : Springer, 2010 BASE Show details 6 Auditory speech processing for scale-shift covariance and its evaluation in automatic speech recognition Patterson, Roy D; Walters, Thomas C; Monaghan, Jessica. - : Piscataway, NJ : IEEE, 2010 BASE Show details 7 Location and acoustic scale cues in concurrent speech recognition1 Ives, D. Timothy; Vestergaard, Martin D.; Kistler, Doris J.. - : Acoustical Society of America, 2010 BASE Show details 8 Functional imaging of the auditory processing applied to speech sounds Patterson, Roy D.; Johnsrude, Ingrid S. In: The perception of speech. - Oxford [u.a.] : Oxford Univ. Press (2009), 171-192 BLLDB Show details 9 A Statistical, formant-pattern model for segregating vowel type and vocal-tract length in developmental formant data Turner, Richard E; Walters, Thomas C; Monaghan, Jessica J. M. - : Acoustical Society of America, 2009 BASE Show details 10 The interaction of vocal characteristics and audibility in the recognition of concurrent syllablesa) Vestergaard, Martin D.; Fyson, Nicholas R. C.; Patterson, Roy D.. - 2009 BASE Show details 11 Effects of voicing in the recognition of concurrent syllables (L)a) Vestergaard, Martin D.; Patterson, Roy D.. - 2009 BASE Show details 12 Vocal-Tract Resonances as Indexical Cues in Rhesus Monkeys Ghazanfar, Asif A.; Turesson, Hjalmar K.; Maier, Joost X.. - : Cell Press, 2007 BASE Show details 13 Discrimination of speaker sex and size when glottal-pulse rate and vocal-tract length are controlleda) Smith, David R. R.; Walters, Thomas C.; Patterson, Roy D.. - 2007 BASE Show details 14 Functional imaging of the auditory processing applied to speech sounds Patterson, Roy D; Johnsrude, Ingrid S. - : The Royal Society, 2007 BASE Show details 15 A dynamic compressive gammachirp auditory filterbank Patterson, Roy D.; Irino, Toshio In: Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst. 14 (2006) 6, 2222-2232 BLLDB OLC Linguistik Show details 16 Speech Segregation Using an Auditory Vocoder With Event-Synchronous Enhancements Irino, Toshio; Patterson, Roy D.; Kawahara, Hideki. - 2006 BASE Show details 17 Perception of acoustic scale and size in musical instrument sounds van Dinther, Ralph; Patterson, Roy D.. - 2006 BASE Show details 18 The processing and perception of size information in speech soundsa) Smith, David R. R.; Patterson, Roy D.; Turner, Richard. - 2005 BASE Show details 19 The interaction of glottal-pulse rate and vocal-tract length in judgements of speaker size, sex, and agea) Smith, David R. R.; Patterson, Roy D.. - 2005 BASE Show details 20 Discrimination of speaker size from syllable phrasesa) Ives, D. Timothy; Smith, David R. R.; Patterson, Roy D.. - 2005 BASE Show details Page: 1 2

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