00 What is a Talkingboard?

A speech tablet is used to either simplify communication or to encode it, i.e. to disguise the actual
to disguise the actually transmitted content for unintended listeners and readers.

Essential components of a speech tablet are

  • List of aliases
  • List of code words
  • List of cover letters to encrypt technical terms
  • Two tables for authenticating and encrypting numbers and letters, respectively