JP2006126730A5 - - Google Patents

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JP2006126730A5
JP2006126730A5 JP2004318208A JP2004318208A JP2006126730A5 JP 2006126730 A5 JP2006126730 A5 JP 2006126730A5 JP 2004318208 A JP2004318208 A JP 2004318208A JP 2004318208 A JP2004318208 A JP 2004318208A JP 2006126730 A5 JP2006126730 A5 JP 2006126730A5
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Japan
Prior art keywords
basic unit
unit set
calculating
replacing
basic
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JP2004318208A
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JP2006126730A (en
JP4631076B2 (en
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Publication of JP2006126730A5 publication Critical patent/JP2006126730A5/ja
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Claims (5)

予め定められた言語の音素単位セットを最適化する方法であって、コンピュータに、
コンピュータ読出可能なフォーマットで基本単位セットを準備するステップと、
前記基本単位セットにリーブ・ワン・アウト法を適用することによって複数個の基本単位サブセットを生成するステップと、
前記基本単位サブセットの各々について言語的識別力の所定の尺度を計算するステップと、
前記基本単位セットを、前記基本単位サブセットのうち最も高い言語的識別力を備えたもので置換えるステップと、
前記生成するステップ、計算するステップ、及び置換えるステップを、所定の基準が満たされるまで繰返すステップとを実行させる、予め定められた言語の音素単位セットを最適化する方法。 A method for optimizing a phoneme unit set of a predetermined language, comprising:
Preparing a basic unit set in a computer readable format;
Generating a plurality of basic unit subsets by applying a leave-one-out method to the basic unit set;
Calculating a predetermined measure of linguistic discriminatory power for each of said basic unit subsets;
Replacing the basic unit set with the highest linguistic discriminatory of the basic unit subsets;
A method for optimizing a phoneme unit set of a predetermined language, wherein the generating step, the calculating step, and the replacing step are repeated until a predetermined criterion is satisfied. 前記計算するステップが、前記基本単位セットと、前記基本単位サブセットの各々との間の相互情報量を計算するステップを含む、請求項１に記載の方法。 It said calculating steps includes a step of calculating the basic unit set, a mutual information between each of the basic units subset The method of claim 1. 前記置換えるステップが、前記基本単位セットを、前記基本単位サブセットのうち前記計算するステップで計算された相互情報量の最も高い値を有するもので置換えるステップを含む、請求項２に記載の方法。 The replacing step, the basic unit set comprises replacing at one with the highest value of the mutual information amount calculated in said step of calculating one of the basic units subset The method of claim 2 . 前記基本単位セットは前記予め定められた言語のための基本音素セットである、請求項１〜請求項３のいずれかに記載の方法。 The method according to claim 1, wherein the basic unit set is a basic phoneme set for the predetermined language. 予め定められた言語の単位セットを最適化するシステムであって、
基本単位セットをコンピュータ読出可能なフォーマットで記憶するための記憶手段と、
前記基本単位セットにリーブ・ワン・アウト法を適用することによって複数個の基本単位サブセットを生成するための生成手段と、
前記基本単位サブセットの各々について言語的識別力の所定の尺度を計算するための計算手段と、
前記記憶手段に記憶された前記基本単位セットを、最も高い言語的識別力を有する基本単位サブセットで置換えるための置換手段と、
前記記憶手段、生成手段、計算手段及び置換手段を、所定の基準が満たされるまで繰返し動作するよう制御するための制御手段とを含む、システム。 A system for optimizing a unit set of a predetermined language,
Storage means for storing the basic unit set in a computer readable format;
Generating means for generating a plurality of basic unit subsets by applying a leave-one-out method to the basic unit set;
Calculating means for calculating a predetermined measure of linguistic discriminatory power for each of said basic unit subsets;
Replacement means for replacing the basic unit set stored in the storage means with a basic unit subset having the highest linguistic discriminatory power;
And a control means for controlling the storage means, the generating means, the calculating means, and the replacing means so as to repeatedly operate until a predetermined criterion is satisfied.
JP2004318208A 2004-11-01 2004-11-01 Method and system for optimizing phoneme unit sets Active JP4631076B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004318208A JP4631076B2 (en) 2004-11-01 2004-11-01 Method and system for optimizing phoneme unit sets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004318208A JP4631076B2 (en) 2004-11-01 2004-11-01 Method and system for optimizing phoneme unit sets

Publications (3)

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JP2006126730A JP2006126730A (en) 2006-05-18
JP2006126730A5 true JP2006126730A5 (en) 2010-08-26
JP4631076B2 JP4631076B2 (en) 2011-02-16

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JP2004318208A Active JP4631076B2 (en) 2004-11-01 2004-11-01 Method and system for optimizing phoneme unit sets

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4962962B2 (en) * 2007-09-11 2012-06-27 独立行政法人情報通信研究機構 Speech recognition device, automatic translation device, speech recognition method, program, and data structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3110478B2 (en) * 1991-03-26 2000-11-20 日本放送協会 Pattern recognition method and apparatus
US5899973A (en) * 1995-11-04 1999-05-04 International Business Machines Corporation Method and apparatus for adapting the language model's size in a speech recognition system
JP2982689B2 (en) * 1996-04-19 1999-11-29 日本電気株式会社 Standard pattern creation method using information criterion
US6317712B1 (en) * 1998-02-03 2001-11-13 Texas Instruments Incorporated Method of phonetic modeling using acoustic decision tree
JP3004254B2 (en) * 1998-06-12 2000-01-31 株式会社エイ・ティ・アール音声翻訳通信研究所 Statistical sequence model generation device, statistical language model generation device, and speech recognition device

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