To provide a speech recognizing apparatus capable of highly accurately recognizing a speech even if a speech not to be inputted to the recognizing apparatus, such as the voice of a person behind and a mutter is mixed when the inputted speech is recognized.
A speech collation part 1 collates the speech inputted through a portable telephone with standard patterns for recognition and sends a recognition result out. As the standard patterns for recognition, standard patterns 2 for recognition including recognition vocabulary standard patterns 2-1 generated by modeling speeches to be recognized and background person standard patterns 2-1 added before and after the recognition vocabulary standard patterns 2-1 are used. The background person speech standard patterns are a background person's speech standard pattern group 2-3 obtained by learning based upon an input speech of low level which is inputted through a portable telephone transmission system and distorted more than a normal input speech to the portable telephone and a background person's speech garbage standard patterns 2-4 obtained by learning based upon the speech of the person behind which is included in the standard telephone speech.
COPYRIGHT: (C)2005,JPO&NCIPI
Kengo Fujita
| JP2003108188A | ||||
| JP2000284792A | ||||
| JP1309099A |
Michito Hiraki
Sanji Tanabe