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A method of modulation in which the time of occurrence of the bits within each character, or block of characters, relates to a fixed time frame, but the start of each character, or block of characters, is not related to this fixed time frame.
- Browse Related Terms: A-condition, alphanumeric, arithmetic shift, asynchronous transmission, Baudot code, block character, code character, comma-free code, emoticon, end-of-selection character, equal-length code, FLAG, serial transmission, start-stop modulation, stroke, stroke edge, SYN, transliterate, WRU