Tyco Fire Alarm Manuals

Manuals and User Guides for Tyco Fire Alarm. We have 1 Tyco Fire Alarm manual available for free PDF download: Application Manual

Tyco Fire Alarm Application Manual

Tyco Fire Alarm Application Manual (70 pages)

Brand: Tyco | Category: Smoke Alarm | Size: 1.68 MB

Table of Contents

Fire Alarm
1
Table of Contents
5
Chapter 1 Speech Intelligibility Overview

9
- Introduction
  9
- Chapters of this Publication
  9
- In this Chapter
  9
Topic See Page

9
- Importance of Audible and Intelligible Emergency Communications
  10
  - Speech Intelligibility Importance
    10
  - Designing for Intelligibility
    10
Chapter 2 Background Information

11
- Introduction
  11
- In this Chapter
  11
- Basic Audio Math
  12
  - Ohm's Law and the Decibel
    12
  - Adding Decibels
    13
- Sound and Hearing
  14
  - The Relationship between Sound and Hearing
    14
- The Nature of Speech
  15
  - Introduction
    16
- Room Acoustics
  16
- Speaker Basics
  19
  - Inverse Square Law
    19
  - Sensitivity
    20
  - Speaker Dispersion Angle and "Q
    20
  - Speaker Coverage
    22
  - Determining Critical Polar Angle
    23
  - Power Rating
    25
  - Speaker Layouts
    25
- Distributed Wall Mounted Systems
  26
  - Introduction
    26
  - Advantages
    26
  - Disadvantages
    26
  - Design of a Distributed Wall Mount System
    27
Chapter 3 Speech Intelligibility

29
- Introduction
  29
- In this Chapter
  29
- Influences on Intelligibility
  30
  - Introduction
    30
  - Background Noise
    31
  - Reverberation
    32
  - Distortion
    33
  - Microphone Technique
    33
- Measures of Intelligibility
  34
  - Introduction
    34
  - The Common Intelligibility Scale (CIS)
    34
  - The STI Method
    35
  - Stipa
    35
  - Stitel
    35
  - Rasti
    35
  - Percent (%) Alcons
    35
  - Phonetically Balanced Word Scores
    35
- Practical Measurement of Intelligibility
  36
  - Introduction
    36
- Tools for Predicting Intelligibility
  37
  - Introduction
    37
  - Acoustical Modeling Software
    37
Chapter 4 Emergency Voice/Alarm Communications Systems

39
- Introduction
  39
- In this Chapter
  39
- A Typical Emergency Voice/Alarm Communications System
  40
- Parts of an Emergency Voice/Alarm Communications System
  41
  - Command Center
    41
  - Audio Riser
    41
  - Transponder
    41
  - Speaker Circuits
    42
Chapter 5 Regulatory Issues

43
- Introduction
  43
- In this Chapter
  43
- Audibility
  44
  - Tones and SPL
    44
  - High Background Noise
    45
  - Large Areas
    45
- Intelligibility
  46
  - Intelligibility Certification
    47
Chapter 6 Speaker System Design Method

49
- Introduction
  49
- In this Chapter
  49
- Speaker Design Method
  50
- Recommendations for Maximizing System Intelligibility
  51
  - Maximizing Intelligibility
    51
- Applying the Methods
  52
  - Design Examples
    52
  - Example 1: Office Space
    53
  - Example 2: Corridor
    54
  - Example 3: Gymnasium
    56
  - Example 4: Lobby
    58
- Conclusion
  61
  - In Closing
    61
Chapter 7 Glossary of Terms

63
- Glossary
  64
- Index
  67

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