ystem for storage and retrieval of diverse types of information obtained from different media sources which includes video, audio, and text transcriptionsUS5850629 *9 Sep 199615 Dec 1998Matsushita Electric Industrial Co., Ltd.User interface controller for text-to-speech synthesizerUS585709917 Jul 19975 Jan 1999Allvoice Computing PlcSpeech-to-text dictation system with audio message capabilityUS594