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The term phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology and speech production in general.
Voice Quality Symbols (VoQS) are a set of phonetic symbols used to transcribe disordered speech for what in speech pathology is known as "voice quality". This phrase is usually synonymous with phonation in phonetics , but in speech pathology encompasses secondary articulation as well.
To produce sounds that people can interpret as spoken words, the movement of air must pass through the vocal folds, up through the throat and, into the mouth or nose to then leave the body. Different sounds are formed by different positions of the mouth—or, as linguists call it, "the oral cavity" (to distinguish it from the nasal cavity).
The difference is best illustrated by a rough example. The English word nods is made up of a sequence of phonemes, represented symbolically as /nɒdz/, or the sequence of /n/, /ɒ/, /d/, and /z/. Each symbol is an abstract representation of a phoneme. That awareness is an inherent part of speakers' mental grammar that allows them to recognise ...
The normal phonation pattern used in typical speech is modal voice, where the vocal folds are held close together with moderate tension. The vocal folds vibrate as a single unit periodically and efficiently with a full glottal closure and no aspiration. [63] If they are pulled farther apart, they do not vibrate and so produce voiceless phones.
The articulation of voice enhances the resonance of speech and enables people to speak intelligibly. [1] Speaking at a moderate pace and using clear pronunciation improves the phonation of sounds. The term " phonation " means the process to produce intelligible sounds for the correct interpretation of speech. [ 2 ]
Examples include English /w/ and /r/. In some languages, such as Spanish, there are sounds that seem to fall between fricative and approximant. One use of the word semivowel, sometimes called a glide, is a type of approximant, pronounced like a vowel but with the tongue closer to the roof of the mouth, so that there is slight turbulence.
The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.