Improving Intelligibility of Airport Terminal Public Address Systems (2017) / Chapter Skim
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Pages 151-154
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151 A p p e n d i x G This appendix provides guidance on key elements within the PA system specification that relate to speech intelligibility. Design Components 1.
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152 improving intelligibility of Airport Terminal public Address Systems National Fire Alarm and Signaling Code (NFPA 72) The EVAC/MN/PA system shall be capable of performing Emergency Voice Evacuation announcements and Emergency Mass Notification messages in compliance with NFPA 72 and any changes, additions, or upgrades to the system shall be fully compliant as well.
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Sample pA System Specification Relevant to Speech 153 Fixed message files may also be standalone non-assembled messages such as security messages and parking warnings. Performance Requirements Audio Specifications • Frequency response ±0.5 dB at 20 Hz to 20 kHz.
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154 improving intelligibility of Airport Terminal public Address Systems • The EVAC/MN/PA system shall comply with the requirements of the National Fire Alarm and Signaling Code (NFPA 72) , the Authority's Inspection Authorities, and the Manufacturer's instructions.
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