The quality of a compression method often is measured by the Peak signal-to-noise ratio.

These compression methods require very little effort to compress and decompress.

No compression method is applied to the source data.

A simple compression method is already used in high-speed facsimile transmission systems.

It is not just at the ends of words where compression methods can be applied.

Typically, a symbol will correspond to a character of text, but this is not required by the compression method.

It has varying effectiveness depending on the input data and compression method.

And it agrees on a compression method, if the client wanted that.

Interesting point, never thought about this as a compression method, but I guess it's true.

The format's open architecture allows additional future compression methods to be added to the standard.