Codec - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

A codec (a blend word derived from "coder-decoder") is a program, algorithm, or device that encodes or decodes a data stream. A given codec knows how to handle a specific encoding or compression technology.

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General knowledge

• Codec on Wikipedia

Technical reference

• Web video codec guide
• Web audio codec guide
• Guide to media types and formats on the web