The voice


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The voice

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The voice

  1. 1. The voiceSara Rouvinen
  2. 2. The human voice consists of… Sounds produced by vocal folds Frequency ranges from about 60 to 7000 Hz Mechanism producing human voice can be divided into three parts Lungs: Adequate airflow and air pressure to vibrate vocal folds The vocal folds (vocal cords) are a vibrating valve that chops up the airflow from the lungs into audible pulses that form the laryngeal sound source.
  3. 3.  The muscles of the larynx adjust the length and tension of the vocal folds to fine pitch and tune The articulators (the parts of the vocal tract above the larynx consisting of tongue, palate, cheek, lips, etc.) articulate and fil ter the sound emanating from the larynx and to some degree they can interact with the laryngeal airflow to strengthen it or weaken it as a sound source
  4. 4. Why men have lower voiceand why women have higher? Adult men and women have different sizes of vocal fold; reflecting the male- female differences in larynx size. Adult male voices are usually lower-pitched and have larger folds. The male vocal folds (which would be measured vertically in the opposite diagram), are between 17 mm and 25 mm in length.[The female vocal folds are between 12.5 mm and 17.5 mm in length.
  5. 5. Pitch in the voice The difference in vocal folds size between men and women means that they have differently pitched voices. Additionally, genetics also causes variances amongst the same sex, with men and womens singing voices being categorized into types. For example, among men, there are bass, baritone, tenor and countertenor (ra nging from E2 to even F6), and among women, contralto, mezzo- soprano and soprano (ranging from F3 to C6).
  6. 6. In Phonetics The most important communicative, or phonetic, parameters are the voice pitch (determined by the vibratory frequency of the vocal folds) and the degree of separation of the vocal folds, referred to as vocal fold adduction (coming together) or abduction (separating). The ability to vary the ab/adduction of the vocal folds quickly has a strong genetic component. Consequently, the muscles that control this action are among the fastest in the body. Children can learn to use this action consistently during speech at an early age.
  7. 7. Breathy voice  If an abductory movement or adductory movement is strong enough, the vibrations of the vocal folds will stop (or not start). If the gesture is abductory and is part of a speech sound, the sound will be called Voiceless.
  8. 8. Why we sound different? The sound of each individuals voice is entirely unique not only because of the actual shape and size of an individuals vocal cords but also due to the size and shape of the rest of that persons body, especially the vocal tract, and the manner in which the speech sounds are habitually formed and articulated. Humans have vocal folds that can loosen, tighten, or change their thickness, and over which breath can be transferred at varying pressures.
  9. 9.  The shape of chest and neck, the position of the tongue, and the tightness of otherwise unrelated muscles can be altered. Any one of these actions results in a change in pitch, volume, timbre, or tone of the sound produced. Sound also resonates within different parts of the body, and an individuals size and bone structure can affect somewhat the sound produced by an individual.
  10. 10. So remember… A particular part of the vocal range such as the upper, middle, or lower registers. A resonance area such as chest voice or head voice. A phonatory process. A certain vocal timbre. A region of the voice that is defined or delimited by vocal breaks. A subset of a language used for a particular purpose or in a particular social setting.
  11. 11. How to protect your voice Warm-up your voice Drink lot of water (hydration) Avoid screaming (without technic) Avoid eating chocolate before performing Learn to appreciate your voice and the sound
  12. 12. Spectrogram Subfields Phonetics as a research discipline has three main branches: articulatory phonetics is concerned with the articulation of speech: The position, shape, and movement of articulators or speech organs, such as the lips, tongue, and vocal folds. acoustic phonetics is concerned with acoustics of speech: The spectro-temporal properties of the sound waves produced by speech, such as their frequency, amplitude, and harmonic structure.
  13. 13.  auditoryphonetics is concerned with speech perception: the perception, categorization, and reco gnition of speech sounds and the role of the auditory system and the brain in the same.
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