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An Investigation into the Techniques of Reverberation Time Measurement

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Various methods for measuring reverberation time are tested using a source of known decay time. Both random noise and sine signals are used. Methods include using a storage oscilloscope, a level recorder, and a real-time analyzer and X-Y recorder. Special equipment was not used, as occasional measurement could not justify the expense. Particular emphasis was placed on long reverberation times as found in reverberation chambers.

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AES - Audio Engineering Society