Speech recognizer

Details Speech recognizer Speech recognizer

1992-06-09

1994-08-09

MacDonald, Allen R.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 41, G10L 708

Patent

active

053373944

ABSTRACT:
In the speech recognizer disclosed herein, alignment of an unknown speech sediment, represented by a finely gradiated sequence of frames, with a model sediment represented by a sequence of states is performed by first preparing respective coarse sequences representing the unknown and model segments thereby to define a coarse matrix representing possible alignments. The fine sequences correspondingly define a fine matrix. A best alignment of the coarse sequences is determined thereby to define a coarse path through the coarse matrix. The coarse path is overlaid on the fine matrix and a corridor is defined which includes fine matrix locations which lie within a preselected metric of the coarse path. Only transitions within the corridor are calculated in determining the fine alignment of the unknown speech segment with the model segment, thereby significantly reducing the number of computations required.

REFERENCES:
patent: 4488243 (1984-12-01), Brown et al.
patent: 4741036 (1988-04-01), Bahl et al.
patent: 4918733 (1990-04-01), Daugherty
patent: 4933973 (1990-06-01), Porter
patent: 5003601 (1991-03-01), Watari et al.
patent: 5010574 (1991-04-01), Wang
patent: 5031217 (1991-07-01), Nishimura
patent: 5073939 (1991-12-01), Vensko et al.
patent: 5220609 (1993-06-01), Watanabe et al.

Affiliated with

Also associated with

Rating

Speech recognizer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Speech recognizer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Speech recognizer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-222490