WO2009078256A1 - 発音変動規則抽出装置、発音変動規則抽出方法、および発音変動規則抽出用プログラム - Google Patents

発音変動規則抽出装置、発音変動規則抽出方法、および発音変動規則抽出用プログラム Download PDF

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Publication number
WO2009078256A1
WO2009078256A1 PCT/JP2008/071500 JP2008071500W WO2009078256A1 WO 2009078256 A1 WO2009078256 A1 WO 2009078256A1 JP 2008071500 W JP2008071500 W JP 2008071500W WO 2009078256 A1 WO2009078256 A1 WO 2009078256A1
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Prior art keywords
pronunciation
rule extraction
fluctuation
unit
standard type
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PCT/JP2008/071500
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English (en)
French (fr)
Inventor
Takafumi Koshinaka
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Nec Corporation
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Priority to US12/747,961 priority Critical patent/US8595004B2/en
Priority to JP2009546202A priority patent/JP5327054B2/ja
Publication of WO2009078256A1 publication Critical patent/WO2009078256A1/ja

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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
    • 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
    • G—PHYSICS
    • 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
    • G10L15/08—Speech classification or search
    • 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

Abstract

少ない労力で、発音変動事例を頑健に検出し、汎化性の高い発音変動規則を獲得することを課題とする。この課題は、音声データ記憶部と、標準形発音記憶部と、サブワード言語モデル生成部と、音声認識部と、差分抽出部とを備える発音変動規則抽出装置によって解決できる。音声データ記憶部は、音声データを記憶する。標準形発音記憶部は、音声データの標準形発音を表す標準形発音データを記憶する。サブワード言語モデル生成部は、標準形発音データからサブワード言語モデルを生成する。音声認識部は、サブワード言語モデルを用いて音声データを認識する。差分抽出部は、音声認識部が出力する認識結果と、標準形発音データとを比較して、これらの差分を抽出する。
PCT/JP2008/071500 2007-12-18 2008-11-27 発音変動規則抽出装置、発音変動規則抽出方法、および発音変動規則抽出用プログラム WO2009078256A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/747,961 US8595004B2 (en) 2007-12-18 2008-11-27 Pronunciation variation rule extraction apparatus, pronunciation variation rule extraction method, and pronunciation variation rule extraction program
JP2009546202A JP5327054B2 (ja) 2007-12-18 2008-11-27 発音変動規則抽出装置、発音変動規則抽出方法、および発音変動規則抽出用プログラム

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Application Number Priority Date Filing Date Title
JP2007-326132 2007-12-18
JP2007326132 2007-12-18

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JP (1) JP5327054B2 (ja)
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