Training the Singing Voice - online book

An exploration of the theories, methods & techniques of Voice training.

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CONCEPTS OF DYNAMICS

167

Table Six summary of concepts of dynamics used in training the singing voice

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I. Theories of vocal dynamics A. Acoustical factors

II. Methods of controlling vocal dynamics A. Psychological approach

101

1. projection factors

B.

Technical approach 95 1. controlling factors a) resonance as a factor 9 4 1 8 b) breath pressure as a factor 18 1 2 16 c) resonance and breath pres- sure combined as factors 2 2 2. loud versus soft practice a) loud tones should be used in practicing 18 4 14 b) loud tones should not be used in practicing 38 12 1 37 3. swelling and diminishing as a device 10 1 10

Totals

110 110 110 18 17

93

of an evenly produced voice rises as the pitch (frequency) rises. Accord­ing to Stanley, this rate of intensity increase is about fifteen decibels per octave as the voice ascends in the musical scale, or about fifty decibels over a range of three octaves. (The decibel is the unit of measurement em­ployed for testing vocal intensity.) [577, p. 295] From experimental tests and observations Stanley finds that the ability to sing loudly is not a product of vocal training since untrained voices show as wide a dynamic range as trained ones. However, the better trained voices show high intensity readings over a wider pitch range. [Ibid.] Seashore reports that the range of tonal power found in average