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Vocal-auditory channel is the first of 13 design features proposed by Charles F. Hockett in characterizing human language and distinguishing it from animal communication.It describes the way vocal signals can be used to produce language.
Acoustic phonetics is a subfield of phonetics, which deals with acoustic aspects of speech sounds. Acoustic phonetics investigates time domain features such as the mean squared amplitude of a waveform, its duration, its fundamental frequency, or frequency domain features such as the frequency spectrum, or even combined spectrotemporal features and the relationship of these properties to other ...
Free indirect discourse can be described as a "technique of presenting a character's voice partly mediated by the voice of the author". In the words of the French narrative theorist Gérard Genette, "the narrator takes on the speech of the character, or, if one prefers, the character speaks through the voice of the narrator, and the two instances then are merged". [1]
Because the speech signal is not linear, there is a problem of segmentation. It is difficult to delimit a stretch of speech signal as belonging to a single perceptual unit. As an example, the acoustic properties of the phoneme /d/ will depend on the production of the following vowel (because of coarticulation).
Some of these cues are more powerful or prominent than others. Alan Cruttenden, for example, writes "Perceptual experiments have clearly shown that, in English at any rate, the three features (pitch, length and loudness) form a scale of importance in bringing syllables into prominence, pitch being the most efficacious, and loudness the least so".
A good example is the work of John J. Gumperz on language and social identity, which specifically describes paralinguistic differences between participants in intercultural interactions. [5] The film Gumperz made for BBC in 1982, Multiracial Britain: Cross talk , does a particularly good job of demonstrating cultural differences in paralanguage ...
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In Gerbner's example, "a man notices a house burning across the street and shouts 'Fire! '". In this case, "someone" corresponds to the man and the perceived event is the burning house. Other components include his voice (means) and the fire (conveyed content). [137] Gerbner's model of communication starts with the perception of an event.