2017/18 Undergraduate Module Catalogue

ELEC2856 Audio Signal Processing

20 creditsClass Size: 20

Module manager: Dr Chris Trayner
Email: c.trayner@leeds.ac.uk

Taught: Semesters 1 & 2 (Sep to Jun) View Timetable

Year running 2017/18

Module replaces

ELEC2855 and ELEC2870 (10 credits each)

This module is not approved as a discovery module

Module summary

On completion of this module students should be able to demonstrate understanding of:-- Loudspeaker design issues (specifically frequency response, cabinets, woofer/tweeter, crossover filters);- DSP (digital signal processing).

Objectives

For the students to understand many of the issues involved in modern sound systems, including loudspeaker design and digital signal processing systems.

Learning outcomes
On completion of this module students should demonstrate an understanding of:-

- Loudspeaker design issues (specifically frequency response, cabinets, woofer/tweeter, crossover filters);
- DSP (digital signal processing).

Skills outcomes
Develops critical judgement of audio quality. Further experience of writing C/C++ programs.

Syllabus

Loudspeakers: woofers, tweeters, cabinets (no acoustic detail), crossover filters.
Techniques for measuring loudspeaker frequency response.
DSP (digital signal processing): simple FIR low-pass filters, abstract algorithms and C/C++ code to implement them, methods of testing them.
Implementation of such a filter, first on a laptop/desktop and then on an embedded processor.

Teaching methods

Delivery type	Number	Length hours	Student hours
Group learning	1	3.00	3.00
Practical	9	3.00	27.00
Practical	10	1.00	10.00
Private study hours			160.00
Total Contact hours			40.00
Total hours (100hr per 10 credits)			200.00

Private study

Background reading on all aspects listed under Knowledge Outcomes above.
Development of DSP software.

Opportunities for Formative Feedback

The first two submissions provide feedback well before the end of the module.
Talking to students in the weekly labs provides far more detailed and immediate feedback.

Methods of assessment

Coursework

Assessment type	Notes	% of formal assessment
Report	Loudspeaker characteristics and crossover filter (design and testing)	30.00
Oral Presentation	Loudspeaker tests	25.00
Computer Exercise	DSP filter	45.00
Total percentage (Assessment Coursework)		100.00

Re-sits for ELEC modules are subject to the rules in the School’s Code of Practice on Assessment. Students should be aware that, for some modules, a re-sit may only be conducted on an internal basis (with tuition) in the next academic session.

Reading list

There is no reading list for this module

Last updated: 08/05/2017

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