Fact · Speech recognition
Juang and Rabiner write that IBM and AT&T Bell Laboratories were two different schools of thought on commercial speech recognition in the 1970s, and that IBM's effort was led by Fred Jelinek.
Checked against its source on October 17, 2026
In the source's own words
“representing two different schools of thought as to the applicability of automatic speech recognition systems for commercial applications. IBM’s effort, led by Fred Jelinek,”
Automatic Speech Recognition: A Brief History of the Technology Development, B. H. Juang and Lawrence R. Rabiner, Elsevier Encyclopedia of Language and Linguistics (author copy, UC Santa Barbara), 2005, Section on 1970s research directions.
Open the original- What it measures
- IBM's project aimed at a 'voice-activated typewriter' that converted spoken sentences into letters and words. It is one of the two approaches the history contrasts.
- What it does not show
- A history written by two researchers in 2005. It summarizes the programs rather than giving full research timelines.