SPEECH RECOGNITION DEVICE INCLUDING A SUB-WORD MEMORY

摘要

In a speech recognition device (2) comprising a word memory (10) in which word information (WI) and assigned phoneme information (PI(WI)) of at least a first and a second word forming the vocabulary can be stored, and including a sub-word memory (11) in which sub-words forming parts of words can be stored as sub-word information (SWI) and assigned phoneme information (PI(SWI)) of at least a first and a second sub-word, and speech model word memory (12) is provided in which at least a probability of occurrence of the second word after the first word in a word sequence formed by these words can be stored as transition probability information (UWI(WFI)).