Effects of temporal distortions on consonant perception with and without undistorted visual speech cues. 2019

Sandeep A Phatak, and Ken W Grant
Walter Reed National Military Medical Center, Bethesda, Maryland 20889, USAs.a.phatak@gmail.com, ken.w.grant@gmail.com.

Effects of temporal distortions on consonant perception were measured using locally time-reversed nonsense syllables. Consonant recognition was measured in both audio and audio-visual modalities for assessing whether the addition of visual speech cues can recover consonant errors caused by time reversing. The degradation in consonant recognition depended highly on the manner of articulation, with sibilant fricatives, affricates, and nasals showing the least degradation. Because consonant errors induced by time reversing were primarily in voicing and place-of-articulation (mostly limited to stop-plosives and non-sibilant fricatives), undistorted visual speech cues could resolve only about half the errors (i.e., only place-of-articulation errors).

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010700 Phonetics The science or study of speech sounds and their production, transmission, and reception, and their analysis, classification, and transcription. (Random House Unabridged Dictionary, 2d ed) Speech Sounds,Sound, Speech,Sounds, Speech,Speech Sound
D003463 Cues Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond. Cue
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001302 Audiometry, Speech Measurement of the ability to hear speech under various conditions of intensity and noise interference using sound-field as well as earphones and bone oscillators. Audiometries, Speech,Speech Audiometries,Speech Audiometry
D012815 Signal Processing, Computer-Assisted Computer-assisted processing of electric, ultrasonic, or electronic signals to interpret function and activity. Digital Signal Processing,Signal Interpretation, Computer-Assisted,Signal Processing, Digital,Computer-Assisted Signal Interpretation,Computer-Assisted Signal Interpretations,Computer-Assisted Signal Processing,Interpretation, Computer-Assisted Signal,Interpretations, Computer-Assisted Signal,Signal Interpretation, Computer Assisted,Signal Interpretations, Computer-Assisted,Signal Processing, Computer Assisted
D013018 Sound Spectrography The graphic registration of the frequency and intensity of sounds, such as speech, infant crying, and animal vocalizations. Sonography, Speech,Sonography, Sound,Speech Sonography,Sonographies, Sound,Sound Sonographies,Sound Sonography,Spectrography, Sound

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