Definition of baud in US English:



Computing Telecommunications
  • A unit of transmission speed equal to the number of times a signal changes state per second. For one baud is equivalent to one bit per second.

    • ‘Traditional GSM data access gives the user a maximum of 9600 baud over its radio coding scheme.’
    • ‘The Land Mobile Radio system provides intermixed digital voice and data transmission over multiple 9,600 baud, half-duplex channels.’
    • ‘That mojo wire was a 300 baud acoustic coupler driving a TTY session.’
    • ‘This is our world now, the world of the electron and the switch, the beauty of the baud.’
    • ‘The serial line initializes the serial port to the proper baud and settings.’


1930s: coined in French from the name of Jean M. E. Baudot (1845–1903), French engineer who invented a telegraph printing system.