Title:
SPEECH RECOGNITION DEVICE
Document Type and Number:
Japanese Patent JP2979912
Kind Code:
B2
Abstract:
PURPOSE: To detect a similar word with high precision by artificially generating an input pattern from a standard model, performing recognition by using the input pattern, and regarding found similarity as similarity between words.
CONSTITUTION: In similar word detection mode, a detection/recognition changeover switch 19 is connected to a dummy input pattern generation part 13 and a detection/recognition changeover switch 20 is connected to a similar word determination part 15. The dummy input pattern generation part 13 reads a phoneme sequence corresponding to a word out of a word dictionary part 12 and reads the mean vector of standard models corresponding to respective phonemes out of a standard model storage part 11 to generate a dummy input pattern. The pattern is inputted to a recognition part 14 and the similarities to the words in the word dictionary part are found by using the standard models in the standard model storage part 11. A similar word determination part 15 outputs the word and similarity as information on a similar word and informs a user of it when the similarity is larger than a previously set threshold value.
Inventors:
KOGA SHINJI
Application Number:
JP19008993A
Publication Date:
November 22, 1999
Filing Date:
July 30, 1993
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
G10L15/14; G10L15/06; G10L15/10; G10L15/18; G10L15/22; (IPC1-7): G10L3/00; G10L3/00
Domestic Patent References:
| JP2110599A | ||||
| JP473160B2 | ||||
| JP462595B2 |
Other References:
【文献】電子情報通信学会論文誌D-▲II▼ Vol.J72-D▲II▼,No.8,p.1264~1269(平成元年8月)
【文献】電子情報通信学会論文誌D-▲II▼ Vol.J75-D▲II▼,No.8,p.1281~1289(平成3年8月)
【文献】電子情報通信学会論文誌D-▲II▼ Vol.J75-D▲II▼,No.8,p.1281~1289(平成3年8月)
Attorney, Agent or Firm:
Naotaka Ide (3 outside)