- Author
- Klepitch, D.
- Title
- Making Intelligibility Intelligible: A Proposed Hand Calculation Method for Design of Simple Intelligible Emergency Voice/Alarm Communications Systems for Fire Alarm System Designers.
- Coporate
- Koffel Associates, Inc., Ellicott City, MD
- Book or Conf
- Reaching New Horizons. Performance-Based Codes and Fire Safety Design Methods, 6th International Conference. Proceedings. June 14-16, 2006, Tokyo, Japan, Evans, D. D.; Gordon, J.; Hasemi, Y.; Sekizawa, A., Editors, 1-13 p., 2006
- Keywords
- performance based codes | fire safety | fire alarm systems | NFPA 72 | design applications | communication networks | emergencies | equations | noise (sound) | building materials
- Identifiers
- factors that affect speech intelligibility; Signal to Noise (S/N) Ratio; reverberation; echoes; distortion; methods of measuring speech intelligibility; International Electrotechnical Commission (IEC); Common Intelligibility Scale (CIS); proposed hand calculation method; %ALCONS Method; calculation of RT60; Directivity Factor; calculation of N; effect of S/N Ratio on %ALCONS