MEC4444 Introduction to engineering acoustics
Faculty of Engineering
MEC4444 Introduction to engineering acoustics is a level 4, 6-credit-point, undergraduate unit from the Faculty of Engineering. It isn't offered in 2026. It has no prerequisites.
- Credit points
- 6
- Offered in 2026
- Not offered
- Assessment
- No exam
- 6 tasks
- Workload
- 144 hours
- per semester
This is the 2026 handbook entry. See the 2027 entry.
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Requisites
Before MEC4444
No prerequisites or corequisites besides the enrolment rules below.
After MEC4444
No unit lists MEC4444 as a prerequisite in the 2026 handbook.
Enrolment rules
PREREQUISITE:
Completion of 96 credit points of engineering studies.
Overview
Fundamentals of sound and sound propagation, wave equation, Helmholtz equation, absorption, impedance and intensity, silencers. Transmission from one medium to another, applications and optimisation. Transmission through walls, mass law, coincidence and resonance. Sound transmission in the atmosphere, inverse square law, excess attenuation. Radiation of sound, directivity. Sound in enclosed spaces. Noise sources, noise reduction techniques, noise legislation and regulation, acceptable noise levels, hearing conservation, measurement and analysis of noise, design for low noise.
Offerings in 2026
The 2026 handbook lists no offerings for MEC4444.
Assessment
- Quiz10%
- Class submission20%
- Assignment10%
- Labs5%
- Test 115%
- Test 240%
Assessment details may change. Please refer to the assessment information in Moodle closer to the start of the teaching period.
Learning outcomes
When you finish this unit, you should be able to:
- 1
Discern basic noise measurement quantities such as sound pressure levels, sound power levels and sound intensity levels.
- 2
Describe and predict the propagation of sound in a duct and in free space.
- 3
Describe the fundamentals of reactive noise attenuation devices.
- 4
Predict and measure the transmission loss through various materials.
- 5
Select appropriate treatments to meet the room requirements based on direct and reverberant noise fields.
- 6
Synthesise concepts of noise sources, paths and measurements in the determination of environmental noise impacts.
Workload and teaching
- Teaching approachOnline learning
- Teaching approachProblem-based learning
The minimum total expected workload to achieve the learning outcomes for this unit is 144 hours per semester typically comprising a mixture of 3-6 hours of scheduled learning activities and 6-9 hours of independent study per week. Scheduled activities may include a combination of teacher-directed learning, peer-directed learning and online engagement. Independent study may include associated readings, assessment and preparation for scheduled activities.
Learning resources
Recommended resources
Engineering Noise Control: Biues & Hansen
Common questions
What are the prerequisites for MEC4444?
MEC4444 has no prerequisites, but enrolment rules apply.
When is MEC4444 offered?
MEC4444 has no offerings listed in the 2026 handbook.
How much work is MEC4444?
The handbook expects about 144 hours of study across the semester. No students have rated its difficulty yet.
Does MEC4444 have an exam?
No. MEC4444 has 6 assessment tasks and no exam.