Sound quality - Wikipedia, the free encyclopedia: Sound quality is typically an assessment of the accuracy, enjoyability, or intelligibility of audio output from an electronic device.

 

 

 

 

 

Intercom Sound Quality Samples: 

3.4 KHz    7 KHz    16 KHz

 

 

 

 

BICSI: NFPA 72-2010 Fire Alarm Code Mass Notification System Design Overview Mass Notification System Design Overview

 

 

 

 

 

 

 

NFPA: Intelligibility of Fire Alarm and Emergency Communication Systems Final Report

 

 

 

 

NEMA SB 1-2014 Quality Informational Guide for Automatic Fire Detection and Alarm Systems and NEMA SB 50-2014 Emergency Communications Audio Intelligibility Applications Guide

 

 

 

 

NFPA Supplement 2: Emergency Communications Systems Design and Application Challenges

 

 

 

Additional Audio and Intercom Resources:

 

 

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Commend Intercom Website