Unified messaging system with automatic language identification for text-to-speech conversion
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United States of America Patent
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Nov 26, 2002
Grant Date -
Dec 27, 2001
app pub date -
Jan 10, 2000
filing date -
Jul 3, 1997
priority date (Note) -
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Abstract
A unified messaging system includes a voice gateway server coupled to an electronics mail system and a private branch exchange (PBX). The voice gateway server provides voice messaging services to a set of subscribers. Within the voice gateway server, a trigraph analyzer sequentially examines 3-character combinations within a text message; determines occurrence frequencies for the character combinations; compares the occurrence frequencies with reference occurrence statistics modeled from text samples written in particular languages; and generates a language identifier and a likelihood value for the text message. Based upon the language identifier, a message inquiry unit selects an appropriate text-to-speech engine for converting the text message into computer-generated speech that is played to a subscriber.
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