What difference will you observe in a sound if its frequency changes from 1000 Hertz to 200 Hertz .How does loudness change with the change in amplitude of sound?
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Using a sone scale The listener is presented a standard tone of 1000 Hz at 40 dB SPL. This tone is given the measure of 1 sone. The listener adjusts another tone so it is perceived as twice as loud as the standard tone. This tone has a loudness of 2 sones, etc.
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