Digital Audio Fundamentals
By Mark Heath
An introduction to several of the most important concepts in digital audio, including sampling, audio file formats and codecs, effects.
Course info
Level
Intermediate
Updated
Jul 25, 2013
Duration
2h 49m
Table of contents
Audio Sampling
Introduction
4m
What is Sampling?
5m
Sample Rates
6m
Nyquist Frequency and Aliasing
4m
Sample Rate Demos
7m
Bit Depths Intro
4m
Decibels Explained
5m
Bit Depths Continued
5m
Floating Point Samples
3m
Channels
3m
Summary
1m
Audio File Formats
Introduction
1m
Audio File Contents
2m
WAV File Format
9m
MP3 File Format
6m
Lo-Fi Codecs
9m
Hi-Fi Codecs
5m
Obtaining a Codec
4m
Choosing a Codec
2m
Module Summary
1m
Audio Effects
Introducing Effects
2m
Volume, Panning and Noise Gates
7m
EQ
6m
Compression and AGC
7m
Delay and Echo Suppression
5m
Pitch Shifting and Playback Rate
3m
Reverb
5m
Distortion and Effects Chains
6m
Summary
2m
Audio Signal Chains
Description
Course info
Level
Intermediate
Updated
Jul 25, 2013
Duration
2h 49m
Description
In order to work effectively with digital audio, whether as a computer programmer trying to use audio, or making your own recordings, it is essential to have a good grasp of the basic principles of digital audio. In this course, we will cover many of the foundational concepts such as sample rates, bit depths, decibels, clipping, headroom, effects, codecs, file formats, synthesis, and visualisations.
About the author
About the author
Mark Heath is a software developer based in Southampton, England, working for NICE Systems as a software architect creating cloud based digital evidence management systems for the police. He is the creator of NAudio, an open source audio framework for .NET.
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