Abstract
The paper surreys dynamic programming based connected speech recognition algorithms and architectures. A discussion of the computational complexities of the algorithms is given and suggests that the single pass algorithm of Bridle et al is the most suitable for real time operation. Currently available architectures for dynamic programming are discussed and it is shown that these are not suitable for the single pass algorithm in their present form. An alternative linear systolic architecture is described which is capable of matching vocabularies of up to 25000 words, in real time, using the single pass algorithm. The linear array has simpler data flows and uses fewer processing elements than most existing systolic structures.
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