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Voice acoustics
The source-filter model: The glottis as a source of sound. The vocal tract and its frequency response. Vowels and consonants. Source-filter interactions. Vocal registers and mechanisms. Tract resonances. Resonance tuning. Harmonic singing. The singers formant. |
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Hearing Sensitivity
An on-line test of your own hearing sensitivity as a function of frequency. ISO standards |
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What is a decibel
Decibels, logarithmic scales, sound files and examples. Psychophysical measures: phons and sones. A and C weighting filters (dBA, dBC, dBlin). Recording levels. Intensity radiation and impedance. Examples.
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What is a formant
Peaks in the spectral envelope of the voice (or other sounds). Resonances that produce these. Filters that model them. Which of these is a formant? |
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