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Pages 145-147

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From page 145...
... 145 • Ambient noise. The prevailing general noise existing at a location or in a space, which usually consists of a composite of sounds from many sources near and far.
From page 146...
... 146 improving intelligibility of Airport Terminal public Address Systems • Outdoor-indoor transmission class (OITC)
From page 147...
... Glossary 147 • Speech Transmission Index for PA (STIPA)

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