Continuous speech recognition apparatus
US4677672A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1983 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Dec 20, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A continuous speech recognition circuit has a data generating circuit for calculating feature pattern data each having N-frame feature parameter data of a plurality of word-periods and reference pattern data every time one-frame period has elapsed and for sequentially generating a maximal similarity data among the calculated similarity data, and a recognition circuit for detecting a series of continuous word-periods which gives the largest similarity sum within a speech interval in accordance with the similarity data from the data generating circuit and recognizing as effective word data the word series corresponding to the detected series of continuous word-periods. The similarity data in each word period is obtained by calculating partial similarity data between the feature parameter data of each frame and each reference parameter data and using the N partial similarity data obtained during the word-period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.