Audio Essentials

1 Day Course
Code MT010

This course has been retired. Please view currently available Video Editing Training Courses.


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Audio basics (4 topics)

  • The audio spectrum
  • Audio dynamic range
  • Recording analogue audio
  • Analogue media - LPs and tape

Converting to digital audio (10 topics)

  • Digitising audio
  • PCM?encoding
  • Explanation of sampling rates
  • The Nyquist frequency
  • Aliasing and anti-aliasing
  • Bit depth and dynamic range
  • Dither noise and masking dither noise
  • Examples of different types of sampling
  • Storing PCM Recordings
  • PCM as WAV and AIFF

Bit-rate compression of digital audio (7 topics)

  • Why do we need to compress?
  • Examples of file formats - mp3, AAF, mp4 etc
  • How compression works
  • Using different software for compression
  • Identifying compression defects and artifacts
  • Streaming compressed files
  • A-B comparison between uncompressed and compressed examples

Encoding audio (2 topics)

  • The need for error correction
  • Information carried on the PQ channels

Dynamic range compression (5 topics)

  • Why compress your dynamic range?
  • Dynamic range compression vs bitrate compression
  • When to apply compression
  • Different examples - different sounds
  • Threshold, ratio and gain - understanding the controls

Editing audio (3 topics)

  • Simple examples of editing
  • Speech editing
  • Music editing

Questions and answers


Delegates should have a basic understanding of audio principles.

What Our Customers Say

The instructors knowledge is fantastically broad and deep!”

Vice President, ABS-CBN

An excellent course, one of the best I have attended for IP training, covering a very wide range of topics.”

MCR Manager, Sky TV New Zealand

Good course, well presented. Good content and mix of theory and practical alike.”

Software Engineer, Commscope

Very good overview of technologies new and old.”

Broadcast Engineer, Formula 1

Very good background to help our development away from Broadcast TV.”

Account Manager, Thomson

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Good level of detail and industry examples of the technology and its usage. Trainer extremely knowledgeable with a great deal of experience in the field.”

Software Manager, Panasonic

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Some of Our Customers