VOICE RECOGNITION APPARATUS, VOICE RECOGNITION METHOD AND PROGRAM

摘要

There is provided an apparatus and a method for rapidly extracting a target sound from a sound signal where a variety of sounds are mixed generated from a plurality of the sound sources. There is a voice recognition unit including a tracking unit for detecting a sound source direction and a voice segment to execute a sound source extraction process, and a voice recognition unit for inputting a sound source extraction result to execute a voice recognition process. In the tracking unit, a segment being created management unit that creates and manages a voice segment per unit of sound source sequentially detects a sound source direction, sequentially updates a voice segment estimated by connecting a detection result to a time direction, creates an extraction filter for a sound source extraction after a predetermined time is elapsed, and sequentially creates a sound source extraction result by sequentially applying the extraction filter to an input voice signal. The voice recognition unit sequentially executes the voice recognition process to a partial sound source extraction result to output a voice recognition result.

主权项

1. A voice recognition apparatus, comprising:
a tracking unit for detecting a sound source direction and a voice segment to execute a sound source extraction process; and a voice recognition unit for inputting a sound source extraction result from the tracking unit to execute a voice recognition process, the tracking unit creating a segment being created management unit that creates and manages a voice segment per unit of sound source, each segment being created management unit created
sequentially detecting a sound source direction to execute a voice segment creation process that sequentially updates a voice segment estimated by connecting a detection result to a time direction,creating an extraction filter for a sound source extraction after a predetermined time is elapsed from a voice segment beginning, andsequentially applying the extraction filter created to an input voice signal to sequentially create a partial sound source extraction result of a voice segment, the tracking unit
sequentially outputting the partial sound source extraction result created by the segment being created management unit to the voice recognition unit, the voice recognition unit
sequentially executing the voice recognition process to the partial sound source extraction result inputted from the tracking unit to output a voice recognition result.