CA2351842A1 - Synthesis-based pre-selection of suitable units for concatenative speech - Google Patents

Synthesis-based pre-selection of suitable units for concatenative speech Download PDF

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CA2351842A1
CA2351842A1 CA002351842A CA2351842A CA2351842A1 CA 2351842 A1 CA2351842 A1 CA 2351842A1 CA 002351842 A CA002351842 A CA 002351842A CA 2351842 A CA2351842 A CA 2351842A CA 2351842 A1 CA2351842 A1 CA 2351842A1
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speech
triphone
synthesis
text
database
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CA002351842A
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French (fr)
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CA2351842C (en
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Alistair D. Conkie
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AT&T Intellectual Property II LP
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AT&T Corp
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/06—Elementary speech units used in speech synthesisers; Concatenation rules
    • G10L13/07—Concatenation rules

Abstract

A method and system for providing concatenative speech uses a speech synthesis input to populate a triphone-indexed database that is later used for searching and retrieval to create a phoneme string acceptable for a text-to-speech operation. Prior to initiating the "real lime" synthesis, a database is created of all possible triphone contexts by inputting a continuous stream of speech. The speech data is then analyzed to identify all possible triphone sequences in the stream, and the various units chosen for each context. During a later text-to-speech operation, the triphone contexts in the text are identified and the triphone-indexed phonemes in the database are searched to retrieve the best-matched candidates.
CA002351842A 2000-07-05 2001-06-28 Synthesis-based pre-selection of suitable units for concatenative speech Expired - Lifetime CA2351842C (en)

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US09/609,889 US6505158B1 (en) 2000-07-05 2000-07-05 Synthesis-based pre-selection of suitable units for concatenative speech
US09/609,889 2000-07-05

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CA2351842A1 true CA2351842A1 (en) 2002-01-05
CA2351842C CA2351842C (en) 2007-07-24

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EP (1) EP1170724B8 (en)
CA (1) CA2351842C (en)
MX (1) MXPA01006797A (en)

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