| 摘要 |
PROBLEM TO BE SOLVED: To provide a word voice recognizing method and a word voice recognition device which are capable of reducing the number of preliminary selections at the time of performing preliminary selections in a word voice recognition and are capable of performing an extremely high speed word voice recognition. SOLUTION: This word voice recognizing method and device is provided with a grammar for phonemic typewriter storage part 1, a recognition object word phoneme string inscription storage part 2, a grammer for ward voice recognition storage part 3, a voice analyzing part 11 extracting featured parameters from an input voice, a phoneme recognizing part 12 calculating the phoneme string of the input voice, a word extracting part 13 which compares the phoneme string of the input voice with the phoneme string of a recognition object word in a word unit and also calculates degrees of similarity and also extracts high-order words having high degrees of similarity and a word voice recognizing part 14 which generates a grammar for word voice recognition by using extracted words and performs the word voice recognition by using the grammar for word voice recognition, and the part 13 decides the number (y) of selection words according to an equation making the maximum number (x) of selection words, the maximum value (k) of degrees of similarity and the length N of a word parameters by using degrees of similarity at the time of performing prelimanary selections in the word voice recognition and extracts high-order words equivalent to the number (y). |
