WO2008087934A1 - 拡張認識辞書学習装置と音声認識システム - Google Patents

拡張認識辞書学習装置と音声認識システム Download PDF

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Publication number
WO2008087934A1
WO2008087934A1 PCT/JP2008/050346 JP2008050346W WO2008087934A1 WO 2008087934 A1 WO2008087934 A1 WO 2008087934A1 JP 2008050346 W JP2008050346 W JP 2008050346W WO 2008087934 A1 WO2008087934 A1 WO 2008087934A1
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WIPO (PCT)
Prior art keywords
utterance
speech recognition
recognition dictionary
extended
variations
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PCT/JP2008/050346
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English (en)
French (fr)
Inventor
Yoshifumi Onishi
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Nec Corporation
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Priority to JP2008554032A priority Critical patent/JP5240457B2/ja
Priority to US12/523,302 priority patent/US8918318B2/en
Publication of WO2008087934A1 publication Critical patent/WO2008087934A1/ja

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L15/063—Training
    • G10L2015/0635—Training updating or merging of old and new templates; Mean values; Weighting

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  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Machine Translation (AREA)
  • Image Analysis (AREA)

Abstract

新たに使用する話者に対しても、その話者の音声と対応する発声ラベルを事前に使用して学習しておく必要なしに、その話者に適した、拡張認識辞書を用いての認識を可能とする。 拡張認識辞書学習装置は、音声認識結果から出力される音響モデル系列と、入力される正解音響モデル系列とを比較して、それらモデルの対応を発声変形データとして算出する発声変形データ算出手段と、算出された発声変形データにおいて広く出現する発声変形および偏って出現する発声変形を分類する発声変形データ分類手段と、分類された発声変形を組み合わせて、複数の発声変形集合とし、それぞれの発声変形集合に含まれる発声変形により、発声変形集合ごとに認識辞書を拡張する認識辞書拡張手段とを有する。音声認識装置は、この発声変形集合ごとの拡張認識辞書を用いて音声認識結果を出力する。
PCT/JP2008/050346 2007-01-16 2008-01-15 拡張認識辞書学習装置と音声認識システム WO2008087934A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008554032A JP5240457B2 (ja) 2007-01-16 2008-01-15 拡張認識辞書学習装置と音声認識システム
US12/523,302 US8918318B2 (en) 2007-01-16 2008-01-15 Extended recognition dictionary learning device and speech recognition system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007006977 2007-01-16
JP2007-006977 2007-01-16

Publications (1)

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WO2008087934A1 true WO2008087934A1 (ja) 2008-07-24

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PCT/JP2008/050346 WO2008087934A1 (ja) 2007-01-16 2008-01-15 拡張認識辞書学習装置と音声認識システム

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US (1) US8918318B2 (ja)
JP (1) JP5240457B2 (ja)
WO (1) WO2008087934A1 (ja)

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JP2010176067A (ja) * 2009-02-02 2010-08-12 Fujitsu Ltd 音声認識装置及び音声認識方法
JP2010176103A (ja) * 2009-02-02 2010-08-12 Nippon Hoso Kyokai <Nhk> 発音辞書修正装置、音声認識装置、およびコンピュータプログラム
JP2011053312A (ja) * 2009-08-31 2011-03-17 Nippon Hoso Kyokai <Nhk> 適応化音響モデル生成装置及びプログラム
JP2016011995A (ja) * 2014-06-27 2016-01-21 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 発音辞書の拡張システム、拡張プログラム、拡張方法、該拡張方法により得られた拡張発音辞書を用いた音響モデルの学習方法、学習プログラム、および学習システム
JP2016161765A (ja) * 2015-03-02 2016-09-05 日本放送協会 発音系列拡張装置およびそのプログラム

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010117651A (ja) * 2008-11-14 2010-05-27 Nec Corp 拡張認識辞書学習装置、これを用いた音声認識システム、その方法及びそのプログラム
JP2010145784A (ja) * 2008-12-19 2010-07-01 Casio Computer Co Ltd 音声認識装置、音響モデル学習装置、音声認識方法、および、プログラム
JP2010176067A (ja) * 2009-02-02 2010-08-12 Fujitsu Ltd 音声認識装置及び音声認識方法
JP2010176103A (ja) * 2009-02-02 2010-08-12 Nippon Hoso Kyokai <Nhk> 発音辞書修正装置、音声認識装置、およびコンピュータプログラム
JP2011053312A (ja) * 2009-08-31 2011-03-17 Nippon Hoso Kyokai <Nhk> 適応化音響モデル生成装置及びプログラム
JP2016011995A (ja) * 2014-06-27 2016-01-21 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 発音辞書の拡張システム、拡張プログラム、拡張方法、該拡張方法により得られた拡張発音辞書を用いた音響モデルの学習方法、学習プログラム、および学習システム
JP2016161765A (ja) * 2015-03-02 2016-09-05 日本放送協会 発音系列拡張装置およびそのプログラム

Also Published As

Publication number Publication date
JPWO2008087934A1 (ja) 2010-05-06
JP5240457B2 (ja) 2013-07-17
US8918318B2 (en) 2014-12-23
US20100023329A1 (en) 2010-01-28

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