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- Mechanically, voice production involves complex fluid-structure interaction within the glottis and its control by laryngeal muscle activation.
pmc.ncbi.nlm.nih.gov/articles/PMC5412481/
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The Process of Voice. Voice production involves a three-step process. A column of air pressure is moved towards the vocal folds. Air is moved out of the lungs and towards the vocal folds by coordinated action of the diaphragm, abdominal muscles, chest muscles, and rib cage.
The human voice is an extremely expressive instrument both when used for speech and for singing. By means of subtle variations of timing and pitch contour speakers and singers add a substantial amount of expressiveness to the linguistic or musical content and we are quite skilled in deciphering this information.
Jan 1, 2015 · Speech production is the process of uttering articulated sounds or words, i.e., how humans generate meaningful speech. It is a complex feedback process in which hearing, perception, and information processing in the nervous system and the brain are also involved.
This article provides details on human speech production involving a range of physical features, which may have evolved as specific adaptations for this purpose. All mammalian vocalizations are produced similarly, involving features that primarily evolved for respiration or ingestion.
A common simplification is the Source-Filter model, which considers the voice as involving two processes: the source produces an initial sound and the vocal tract filter modifies it. For example, at the larynx (sometimes called ‘voice box’), we produce a sound whose spectrum contains many different frequencies.
Vocal tract: throat (pharynx), oral cavity, nasal passages. Changes the “buzzy sound” into a person’s recognizable voice. Key Function of the Voice Box. The key function of the voice box is to open and close the glottis (the space between the two vocal folds). Role in breathing: Open glottis.
