AUDIO & ACOUSTICS

 

ARCHITECTURAL AND AUDIO ACOUSTICS - DESC9138


 

CONTENTS

 


Updated March 3, 2008

 

Architectural and Audio Acoustics is a core unit of study in the graduate program in Audio and Acoustics.

Coordinator & Lecturer: Densil Cabrera

Tutors: Sam Ferguson & Claudiu Pop

GENERAL INFORMATION FOR CURRENT STUDENTS

General information about timetables, enrolment, units of study, degree requirements, attendence requirements, plagiarism policy, special consideration, and many other aspects of student life is given on the Faculty website under the 'Current Students' tab. Students are advised to become familiar with this information.

Information about the library is here.

Audio and Acoustics links are here.

UNIT OF STUDY OUTLINE

Description

This unit offers a broad introduction to architectural and audio acoustics with an emphasis on predicting the behaviour of sound using straightforward mathematics. Key topics are the nature of sound, sound analysis techniques, sound propagation, room acoustics, sound transmission and audio systems.

Objectives

This unit of study aims to give students an understanding of acoustical concepts central to architectural acoustics and audio acoustics.

Outcomes

Students will be able to understand acoustical terminology, and perform calculations applicable to sound in the environment, in buildings and in audio contexts. They will have the ability to assess critically claims of acoustical performance. This unit will provide the theoretical foundation for advanced units in audio and acoustics.

Class Format

Most classes have a lecture for up to 90 minutes in the first half. In the second half, the class is divided into three groups. One group will do a practical laboratory with Sam Ferguson in room 144; another group will do a practical laboratory with Claudiu Pop in room 481/470; while the other does a more theoretical session with Densil Cabrera in ALT3. Groups are rotated over a 3 week period. Therefore it is important to attend every class.

Assessment

Assessment is by exercises given in weeks 5-13 which are at least partially done in class (in the second half of each class). The exercises will be given to you weekly, and are due on the 6th May, 27th May and 12th June. If you miss a class you may not be able to complete its assessment task.

Recommended Textbook

F. Alton Everest: The Master Handbook of Acoustics. McGraw-Hill.

This book gives a simple easy-to-read introduction to many of the topics that we will cover in this unit of study. If you are not confident with basic acoustical concepts, you may wish to purchase this book. If you have a background in acoustics you may find this book too simple. However it may be of interest anyway if you want to understand sound studio design, because the book emphasises that topic. This text will not usually be referred to in the lectures.

SCHEDULE

Week Date   Activity

1

4th March

 

Basic units of Acoustics
Using decibels

2

11th March

 

Adding Waves

  18th March   NO CLASS (recommend AAS lecture)
      MID SEMESTER BREAK

3

1st April

 

Frequency Analysis - FFT, CPB analysis

4

8th April

 

Sound Perception - hearing & psychoacoustics

5

15th April

 

Sound Propagation
SOUNDFILES FROM CLAUDIU'S LAB
SAM'S LAB
DENSIL'S EXERCISE

6

22nd April

 

Room Acoustics 1 - sound absorption, power, & direct/diffuse modeling
SOUNDFILES FROM CLAUDIU'S LAB

7

29th April

 

Room Acoustics 2 - image-source and room mode modeling
SOUNDFILES FROM CLAUDIU'S LAB

8

6th May

ASSIGNMENT 1 DUE

Sound Transmission - theory, guidelines and measurement

9

13th May

 

Noise Measurement - rating methods

10

20th May

 

Speech & Voice Acoustics

11

27th May

ASSIGNMENT 2 DUE

Measurement of Audio Systems
CLAUDIU'S LABSHEET
SOUNDFILES FROM CLAUDIU'S LAB
DENSIL'S EXERCISE

12

3rd June

 

Loudspeakers
SOUNDFILES FROM CLAUDIU'S LAB

13

10th June

 

Applications of Psychoacoustics
SOUNDFILES FROM CLAUDIU'S LAB

 

17th June

ASSIGNMENT 3 DUE

NO CLASS

This schedule may be subject to change, depending on class progress and factors that are not possible to plan for.

Guidelines for assignments