LV-1: Basic Sound system design course

 Course Description:

This basic design course in sound system is intended to prepare the target persons with the ability to design such type of systems inside the regular buildings as a broadcasting systems or conference systems. 

The target Persons:

Design engineers, New graduate engineers, under graduate engineering students.

Skills Development:

On completion of this course the target person will be able to:

• understand all sound terms and definitions
• recognize different components of sound system
• perform design calculations for sound system
• Create excellent knowledge base for advanced Level of sound system design course.

Course outline

1. Introduction

2. System Description

3. System main stages:

1. Input stage:

·        Microphones

·        Sound recorder

2. Intermediate stage:

·        Audio mixer

·        Equalizers

·        Mixer amplifier

·        pre-amplifier

·        Audio amplifier (boosters)

·        Monitor unit

·        Speaker selector

·        Power supply
    .  Terminal Boards

·       Crossover

3. Output stage:

·        Speakers:

o       Unidirectional speakers

o       Omini directional speakers
O       Speaker enclosure

4. Sound rack 

4. System Configuration 
1. Public Broadcasting System
2. Indoor radio system
3. Outdoor broadcasting system
4. Conference systems:

·              Open conference system

·              Partially open conference system

·              Controlled conference system

5. System design:
1. Introduction
2. Fundamentals of Acoustics and Audio Systems
3. Properties of Sound (Part One)
4. Basic Laws of sound:

·              Inverse square law

·              Needed acoustic gain NAG

·              Potential acoustic gain PAG

·              PAG with feedback stability margins (FSM)

·              PAG with the number of open microphones

·              Needed amplifier gain NAP

·              The automatic microphone mixer solution

·              The quickest fix of PAG:

·              Mic placement

·              Speaker placement

6. Design methods:
1. Conference systems:

·              Using Mathematical equations

·              Using software programs (GainCalc)

2. Internal broadcasting system:

·  Determination of the numbers of ceiling speakers

·  Determination of the numbers of wall speakers

·  Determination of the numbers of Horns

·  Determination of Amplifier power rating

7. Wiring

8. Estimating dB of noise level

9. summary

10. Troubleshooting of sound systems

11. Dictionary of sound system