Control data is encoded using the values in the table below.

As a result, speech can be encoded at high quality using a relatively low bit rate.

The first character is encoded using black bars of varying width.

The public key, 77, would be released, and the message encoded using this key.

It is encoded using a Rice code with parameters chosen based on previous choices.

The remaining bytes in the stream are encoded using one of four element types.

The pronunciation is encoded using a modified form of the Arpabet system.

For speed, and confidentiality, messages were encoded using a table where each figure signified a word or phrase.

In addition, more information regarding the passport holder is encoded using optical character recognition, and can only be read by a particular machine.

Representations of characters encoded using Morse code varied in length.