The role of emergency sound and voice alarm systems in life safety management has never been so important. However, to be effective, it is essential that such systems are adequately intelligible. Verification of system intelligibility is therefore assuming ever-greater importance. Whilst a number of verification techniques are available, each is not without its drawbacks. The paper reviews the available methods and using the results of new research, highlights areas of weakness of the current techniques.
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https://aes2.org/publications/elibrary-page/?id=11263
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