Training Outline - Understanding Compression

Understanding Compression

One Day Course

COURSE CONTENT

Day One

Why compress?

What is a codec?

What is a codec architecture?

Architectures

• AVI
• Quicktime
• Windows Media
• Real
• Flash
• MPEG

Important Codec Issues

• Lossless v. lossy codecs
• Bit depth

Frames v. Fields

• Issues with fields

CBR v. VBR

Delivery keyframes

• Intraframe
• Predicted frame
• Bidirectional or Interpolated frame

Sequence order

• Display order
• Coded order

Audio Codecs

• Containers
• Specialised codecs
• Common delivery codecs
• Common transport / archiving codecs

Streaming v. Download

Compressing the right way – Common techniques to improve compression

Compressing for DVD

Compressing for Internet & Internet video services

Compressing for broadcast

Compressing for archive