What Effect Does Elongation (stretching) And Tensing Of The Vocal Folds? (Question)

The CT muscle connects the two main cartilages that hold the vocal folds. When the CT Stretching Muscle contracts, the cartilages can rock and glide on top of each other resulting in the vocal folds lengthening, thinning, and stretching. The amount of stretch that occurs helps change the pitch being produced.

What causes the vibration of the vocal folds?

  • Key Factors for Normal Vocal Fold Vibration. “Just right” mass: Changes in the soft tissue bulk of the vocal folds – such as decrease or thinning as in scarring or increase or swelling, as in Reinke’s edema, produce many voice symptoms – hoarseness, altered voice pitch, effortful phonation, etc.

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What effect does elongation or stretching of the vocal folds have on the acoustic signal and sound of an individual’s voice?

This stretches and elongates the vocal folds, which increases rate of vibration which results in a higher frequency/pitch.

What effect does tension of the vocal folds have on their vibration and pitch?

As the mass of a vibrating body increases, its frequency decreases, but as the tension increases the frequency also increases.

When tension in the vocal cords increases what happens to the pitch of the voice?

Returning to our guitar-strings-in-gelatin analogy, when one string is plucked, the entire gel-fiber set shakes along with it. The muscles in the larynx further modulate the sound the cords produce, lengthening and shortening the cords to change the pitch.

What causes the vibration of the vocal folds?

In order to produce voice, the lungs blow air against vocal folds in the nearly-closed position. Air pushes through the very small space between them and in so doing, makes the covering of the vocal folds, known as the mucosa, vibrate. This occurs by means of a phenomenon known as the venturi effect.

Which muscles relax the vocal folds?

The thyroarytenoid muscle, consisting of two parts having different attachments and different directions, is rather complicated as regards its action. Its main use is to draw the arytenoid cartilages forward toward the thyroid, and thus relax and shorten the vocal folds.

What means additional vibration in the vocal cord?

Answer: Voice means additional vibration in the vocal chords. kattyahto8 and 1 more users found this answer helpful.

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What is the Bernoulli effect in speech?

The low pressure created behind the fast-moving air column produces a “Bernoulli effect” which causes the bottom to close, followed by the top. Closure of the vocal folds cuts off the air column and releases a pulse of air. New cycle repeats.

What is laryngitis and what causes it?

Laryngitis is an inflammation of your voice box (larynx) from overuse, irritation or infection. Inside the larynx are your vocal cords — two folds of mucous membrane covering muscle and cartilage. Normally, your vocal cords open and close smoothly, forming sounds through their movement and vibration.

Why does increasing the length of the vocal folds increase the frequency of vibration?

The size of the vocal folds determines fundamental frequency. A greater length and higher mass lower frequency. Mutations are voice changes, which are due to the rapid growth of the larynx that occurs during puberty. Before puberty, both boys and girls have fundamental frequencies of aproximately 270-300 Hz.

When air passes through the elastic vocal folds and causes them to vibrate what type of phone is this?

When the air passes through the elastic vocal folds and causes them to vibrate, the type of phonation is called voicing.

How does the length of vocal cords affect the pitch of sound?

Answer: The vocal cord of a man are generally 20mm long in length. The pitich of sound is depends upon the passage of air passing through the opening between the folds. When the vocal cord becomes tight and thin then the high pitch or high frequency sound is produced.

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Why does tension affect pitch?

When the length of a string is changed, it will vibrate with a different frequency. Shorter strings have higher frequency and therefore higher pitch. Tension refers to how tightly the string is stretched. Tightening the string gives it a higher frequency while loosening it lowers the frequency.

What affects voice pitch?

Vocal pitch is determined by the degree of tension in the vocal folds of the larynx, which itself is influenced by complex and nonlinear interactions among the laryngeal muscles. The relationship between these muscles and vocal pitch has been described by a mathematical model in the form of a set of ‘control rules’.

How do vocal cords make different pitches?

The vocal folds produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. The rate of vibration determines the pitch of the voice. When the voice is hoarse, the vocal folds may not be closing fully, or may not be vibrating symmetrically.

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