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Heracleous et al., 2005 - Google Patents

A novel approach for modeling non-keyword intervals in a keyword spotter exploiting acoustic similarities of languages

Heracleous et al., 2005

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Document ID
2544689949948164477
Author
Heracleous P
Shimizu T
Publication year
Publication venue
Speech communication

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Snippet

In this paper, we present a new keyword spotting technique. A critical issue in keyword spotting is the explicit modeling of the non-keyword portions. To date, most keyword spotters use a set of Hidden Markov Models (HMM) to represent the non-keyword portions. A widely …
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Classifications

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    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
    • G10L15/065—Adaptation
    • G10L15/07—Adaptation to the speaker
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
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    • G10L15/18—Speech classification or search using natural language modelling
    • G10L15/183—Speech classification or search using natural language modelling using context dependencies, e.g. language models
    • G10L15/187—Phonemic context, e.g. pronunciation rules, phonotactical constraints or phoneme n-grams
    • G—PHYSICS
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    • G10L15/183—Speech classification or search using natural language modelling using context dependencies, e.g. language models
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    • G10L15/14—Speech classification or search using statistical models, e.g. hidden Markov models [HMMs]
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    • G10L2015/088—Word spotting
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    • G—PHYSICS
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    • G—PHYSICS
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    • G10L17/00—Speaker identification or verification
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    • G—PHYSICS
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    • G—PHYSICS
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    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00-G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00-G10L21/00 characterised by the type of extracted parameters
    • G—PHYSICS
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    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/06—Elementary speech units used in speech synthesisers; Concatenation rules
    • G—PHYSICS
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    • G10L19/00—Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signal, using source filter models or psychoacoustic analysis
    • G—PHYSICS
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    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility

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