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Critical Listening Skills for Audio Professionals by F. Alton Everest

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The subjective correlates of sound level, frequency, and spectrum

TalkTech
An audio engineer has available an impressive array of instruments for measuring the physical aspects of sound.

One is the sound level meter, by which he can readily measure sound pressure level or intensity as it is also known.

Another is the electronic counter, which can faithfully count each cycle of a periodic sound wave and thus determine its frequency.

He also has a spectrum analyzer that reveals at a glance the harmonic structure of a complex periodic wave.

These instruments and others all operate in the realm of applied physics. They measure ...

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