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The Human Instrument

 
Lies & Alibis
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02/02/2013 03:09 PM
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The Human Instrument
When judged by its size, our vocal system fails to impress as a musical instrument.
How then can singers produce all those remarkable sounds?


By: Ingo R. Titze

[link to tranquanghaisworld.blogspot.com]

Although the human vocal system is small, it manages to create sounds as varied and beautiful as those produced by a variety of musical instruments.

All instruments have a sound source, a resonator that reinforces the basic sound and a radiator that transmits the sound to listeners.

A human’s sound source is the vibrating vocal folds of the larynx; the resonator is the sound-boosting airway above the larynx; and the radiator is the opening at the mouth.

The human voice can create such an impressive array of sounds because it relies on non­linear effects, in which small inputs yield surprisingly large outputs.


Here again recent studies indicate that nonlinear effects come to the rescue. This time it is a nonlinear interaction among the system’s elements. Rather than reinforcing each harmonic with a specific tube resonance (as occurs, for example, in organ pipes of different sizes, each of which resonates certain harmonics), our short vocal tract reinforces a cluster of harmonics simultaneously by using an energy-feedback process. The vocal tract can store acoustic energy in one part of the vibration cycle and feed it back to the source at another, more advantageous time. In effect, the vocal tract gives a “kick” to each cycle of oscillation of the vocal folds so as to increase the amplitude of vibratory motions. In analogy to pushing someone on a playground swing, this cyclic kick resembles a carefully timed push to boost the amplitude (travel distance) of the swing’s oscillations.


singing
Lies & Alibis (OP)

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02/02/2013 03:29 PM
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Re: The Human Instrument
Vocal Fry

Lies & Alibis (OP)

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02/03/2013 10:10 AM
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Re: The Human Instrument
The UCLA Phonetics Lab Archive

[link to archive.phonetics.ucla.edu]
Lies & Alibis (OP)

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02/03/2013 10:11 AM
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Re: The Human Instrument
Sounds of the World's Languages

UCLA Phonetics Lab Data

[link to www.phonetics.ucla.edu]
Anonymous Coward
User ID: 25736464
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02/03/2013 10:24 AM
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Re: The Human Instrument
what is the skinflute.
Lies & Alibis (OP)

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02/03/2013 10:35 AM
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Re: The Human Instrument
what is the skinflute.
 Quoting: Anonymous Coward 25736464


you play it well
Anonymous Coward
User ID: 31769448
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02/03/2013 10:39 AM
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Re: The Human Instrument
When judged by its size, our vocal system fails to impress as a musical instrument.
How then can singers produce all those remarkable sounds?


By: Ingo R. Titze

[link to tranquanghaisworld.blogspot.com]

Although the human vocal system is small, it manages to create sounds as varied and beautiful as those produced by a variety of musical instruments.

All instruments have a sound source, a resonator that reinforces the basic sound and a radiator that transmits the sound to listeners.

A human’s sound source is the vibrating vocal folds of the larynx; the resonator is the sound-boosting airway above the larynx; and the radiator is the opening at the mouth.

The human voice can create such an impressive array of sounds because it relies on non­linear effects, in which small inputs yield surprisingly large outputs.


Here again recent studies indicate that nonlinear effects come to the rescue. This time it is a nonlinear interaction among the system’s elements. Rather than reinforcing each harmonic with a specific tube resonance (as occurs, for example, in organ pipes of different sizes, each of which resonates certain harmonics), our short vocal tract reinforces a cluster of harmonics simultaneously by using an energy-feedback process. The vocal tract can store acoustic energy in one part of the vibration cycle and feed it back to the source at another, more advantageous time. In effect, the vocal tract gives a “kick” to each cycle of oscillation of the vocal folds so as to increase the amplitude of vibratory motions. In analogy to pushing someone on a playground swing, this cyclic kick resembles a carefully timed push to boost the amplitude (travel distance) of the swing’s oscillations.


:singing:
 Quoting: Lies & Alibis

Missed the whole point. That which is behind the human voice, the GOD WITHIN.
Lies & Alibis (OP)

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02/03/2013 10:45 AM
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Re: The Human Instrument
Missed the whole point. That which is behind the human voice, the GOD WITHIN.
 Quoting: Anonymous Coward 31769448


Can we please leave god's voice out of this

Bhagwash
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02/03/2013 10:57 AM
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Re: The Human Instrument
Missed the whole point. That which is behind the human voice, the GOD WITHIN.
 Quoting: Anonymous Coward 31769448


Can we please leave god's voice out of this


 Quoting: Lies & Alibis

not to mention..

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