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Complete 6 page APA formatted essay: Technology.The historical development of speech recognition technology spans at least 50 years. These years can be divided into decades, which most researchers wou
Complete 6 page APA formatted essay: Technology.
The historical development of speech recognition technology spans at least 50 years. These years can be divided into decades, which most researchers would identify as generations. The 1950s and the 1960s was the period of first generation speech recognition technologies. The market condition for the technology during and immediately preceding periods was not favorable because it was only during the latter part of the 1990s when the technology became cheap and made available to many consumer markets.
The late 1960s through the 1970s saw the second-generation technology. the late 1970s through 1980s were for the third generation and so forth.
One of the earliest speech recognition technologies include the system for isolated digit recognition developed by the American company Bell Laboratories as well as the technology developed by RCA Laboratories that recognized distinct syllables spoken by a speaker. (Chen and Jokinen, 2010, p. 2) These technologies, including the succeeding attempts of various laboratories were classified as Automatic Speech Recognition or ASR systems, which are primarily based on acoustic phonetic systems. The second generation technologies entailed several breakthroughs. Most of the systems developed used dynamic programming methods such as the Viterbi algorithm, which became indispensable technique in ASR. (Chen and Jokinen, p. 3) Many companies began developing their own speech recognition technologies such as IBM and others companies overseas such as Japan and the then Soviet Union. By 1980s, the third generation has already perfected technologies that that could recognize a fluently spoken string of connected word in addition to the development of various other models such as the statistical modeling and the continuous speech recognition concept developed by DARPA. (p. 4) From the 1990s to the present the development became robust as other technologies that