1. A speech recognition method comprising the steps of: extracting prescribed feature parameters from input signals for continuous speech sounds; obtaining similarities by continuously matching the extracted feature parameters with a voice dictionary composed of phonetic segment units having prescribed phonetic meanings; extracting sequences of phonetic segments to a prescribed placing of order based on the obtained similarities; for each of standard words passing the phonetic segment sequence through presupplied transition networks; and evaluating the word sequence passed through transition networks in accordance with similarities and obtaining recognition outputs.