A "just noticeable" change in sound pressure level, either louder or softer, requires a ____

AVIXA CTS-I Question Answer

A "just noticeable" change in sound pressure level, either louder or softer, requires a _____ change.

+/-10 dB

+/-3 dB

+/-6 dB

+/-1 dB

CTS-I PDF/Engine

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A "just noticeable" change in sound pressure level, either louder or softer, requires a _____...