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In phonetics, voice onset time (VOT) is a feature of the production of stop consonants. It is defined as the length of time that passes between the release of a stop consonant and the onset of voicing , the vibration of the vocal folds , or, according to other authors, periodicity.
Using a speech synthesizer, speech sounds can be varied in place of articulation along a continuum from /bɑ/ to /dɑ/ to /ɡɑ/, or in voice onset time on a continuum from /dɑ/ to /tɑ/ (for example). When listeners are asked to discriminate between two different sounds, they perceive sounds as belonging to discrete categories, even though ...
Another study [6] examined the duration of certain sounds (/æ/, /eɪ/, and the onset of /s/ and /l/), frequency of stressed vowels, voice-onset time of voiceless aspirated consonants, and the release of word-final stop consonants. The study found some correlation between these speech traits and sexual orientation, but also clarified the study ...
If one analyzes the sound spectrogram of [ba] and [pa], for example, [p] and [b] can be visualized as lying somewhere on an acoustic continuum based on their VOT (voice onset time). It is possible to construct a continuum of some intermediate tokens lying between the [p] and [b] endpoints by gradually decreasing the voice onset time.
The N100 plays a role in recognizing the difference and categorizing these sounds: speech stimuli with a short 0 to +30 ms voice onset time evoke a single N100 response but those with a longer (+30 ms and longer) evoked two N100 peaks and these are linked to the consonant release and vocal cord vibration onset. [25] [26]
People are more likely to be able to hear differences in sounds across categorical boundaries than within them. A good example of this is voice onset time (VOT), one aspect of the phonetic production of consonant sounds. For example, Hebrew speakers, who distinguish voiced /b/ from voiceless /p/, will more easily detect a change in VOT from -10 ...
A babbling infant, age 6 months, making ba and ma sounds. Babbling is a stage in child development and a state in language acquisition during which an infant appears to be experimenting with uttering articulate sounds, but does not yet produce any recognizable words.
Speech perception is the process by which the sounds of language are heard, interpreted, and understood. The study of speech perception is closely linked to the fields of phonology and phonetics in linguistics and cognitive psychology and perception in psychology.