Also known as an encoder, this is a module or algorithm to compress data. Playing that data back requires a decompressor, or decoder.

The format to be used for the converted file. This includes the file format, any special settings used by that format, and which audio and/or video codec is to be used for the conversion, and any special settings used by the codecs.

Also known as a decompressor, this is a module or algorithm to decompress data.

Also known as compressor, this is a module or algorithm to compress data. Playing that data back requires a decompressor, or decoder.

A COmpressor combined with a DECompressor, or encoder and a decoder, which allows you to both compress and decompress that same data.