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Recording Studio Design by Philip Newell

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Chapter 2

Sound, decibels and hearing

Important aspects of hearing sensitivity and frequency range. An introduction to the decibel in its various applications. The speed of sound and the concept of wavelength. Relation between absorbers and wavelength. Sound power, sound pressure, sound intensity. Double-distance rule. The dBA and dBC concepts. Sound insulation and noise perception. Aspects of hearing and the concept of psychoacoustics. The sensitivity of the ear and the differences of perception from one person to another. The effect on the perception of loudspeakers vis-à-vis live music.

2.1 Perception of sound

That our perception of sound via our hearing systems is logarithmic becomes an obvious necessity when one considers that the difference ...

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