Codec

Definition

The method used to compress and decompress video and audio.

Advanced

Delivery codecs such as H.264 and HEVC are efficient for playback, while editing codecs such as ProRes and DNxHR prioritise quality and performance in post. Choice affects quality, file size, and edit speed.

Why it matters

Determines compatibility, quality, and workflow efficiency.

Use cases

• Capture in an edit-friendly codec for post
• Deliver in a web-friendly codec
• Transcode proxies for remote editing

Metrics

• Delivery: H.264 or HEVC at platform-recommended bitrates
• Post: ProRes or DNxHR with higher bit depth

Issues

• Mixed codecs on a timeline causing performance issues
• Incompatible files for clients or platforms

Example

Shooting ProRes for interviews, editing smoothly, then exporting H.264 for distribution.