Understanding Codecs

Codec stands for compressor (CO)/decompressor (DEC) pairs. You use different codecs for different playback methods (such as the web or DVD). Once you know the playback method of your target audience, you can pick a suitable codec. To decide which codec is right for your needs, you must choose the necessary level of compression to meet your data rate limits and the level of quality you want.

The following sections discuss issues to be aware of when selecting a video or audio codec.