Definitions for BAUDbɔd
This page provides all possible meanings and translations of the word BAUD
Random House Webster's College Dictionary
a unit used to measure the speed of signaling or data transfer, equal to the number of pulses or bits per second:
Category: Computers, Telegraphy and Telephony
Origin of baud:
1925–30; after J.M.E. Baudot (1845–1903), French inventor
baud, baud rate(noun)
(computer science) a data transmission rate (bits/second) for modems
A rate defined as the number of signalling events per second in a data transmission.
Synonym for bps (bits per second), regardless of how many signalling events are necessary to signal each bit.
Origin: Named for Jean-Maurice-Émile Baudot (1845-1903).
In telecommunication and electronics, baud is synonymous to symbols per second or pulses per second. It is the unit of symbol rate, also known as baud rate or modulation rate; the number of distinct symbol changes made to the transmission medium per second in a digitally modulated signal or a line code. The baud rate is related to but should not be confused with gross bit rate expressed in bit/s. However, though technically incorrect, in the case of modem manufacturers baud rate commonly refers to bits per second. They make a distinction by also using the term characters per second. Baud rate divided by the number of bits per character, will equal characters per second. Refer to the glossary in most modem manufacturers user manual to ensure a common understanding of the term "baud". An example would be the 1996 User's guide for the U.S. Robotics Sportster modem, which includes these definitions. The symbol duration time, also known as unit interval, can be directly measured as the time between transitions by looking into an eye diagram of an oscilloscope. The symbol duration time Ts can be calculated as: where fs is the symbol rate. In digital systems with binary code, 1 Bd = 1 bit/s. By contrast, non-digital systems use a continuous range of values to represent information and in these systems the exact informational size of 1 Bd varies.
The New Hacker's Dictionary
[simplified from its technical meaning] n. Bits per second. Hence kilobaud or Kbaud, thousands of bits per second. The technical meaning is level transitions per second; this coincides with bps only for two-level modulation with no framing or stop bits. Most hackers are aware of these nuances but blithely ignore them.Historical note: baud was originally a unit of telegraph signalling speed, set at one pulse per second. It was proposed at the November, 1926 conference of the Comité Consultatif International Des Communications Télégraphiques as an improvement on the then standard practice of referring to line speeds in terms of words per minute, and named for Jean Maurice Emile Baudot (1845-1903), a French engineer who did a lot of pioneering work in early teleprinters.
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