JP2011033874A - 多言語音声認識装置及び多言語音声認識辞書作成方法 - Google Patents
多言語音声認識装置及び多言語音声認識辞書作成方法 Download PDFInfo
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Abstract
【解決手段】音声認識辞書の設定言語が所定の一つの言語に設定された多言語音声認識装置は、外部機器又は媒体から音声認識の対象となるテキストを入力する入力手段と、テキストが格納される記憶手段と、テキストの名称データを解析して読みデータを生成する複数の言語に対応したテキスト−読みデータ変換手段と、テキストの名称データの読みデータが格納された音声認識辞書と、制御手段とを有する。制御手段は、取得した名称データの言語種別を判定し、判定した言語種別に応じたテキスト−読みデータ変換手段により当該名称データに対する読みデータを生成し、当該生成した読みデータを設定言語に合わせた読みデータに変換して音声認識辞書に登録する。
【選択図】図2
Description
上記実施形態では、多言語音声認識装置100に携帯電話機200を接続した場合を例にとって多言語音声認識用の辞書作成について説明した。外部機器としては携帯電話着に限らず、デジタルオーディオ機器やCD、DVD等の媒体を多言語音声認識装置100に接続するようにしてもよい。
200…携帯電話機、
11…無線通信部(入力手段)、
12…CPU(制御手段)、
13…HMI(入力手段)、
14…音声入力部、
15…音声出力部、
16…RAM(記憶手段)、
18…G2P処理部(テキスト−読みデータ変換手段)、
19…音声認識部、
20…マッピング処理部、
22…音声認識辞書、
23…マッピングテーブル。
Claims (10)
- 音声認識辞書の設定言語が所定の一つの言語に設定された多言語音声認識装置であって、
外部機器又は媒体から音声認識の対象となるテキストを入力する入力手段と、
前記テキストが格納される記憶手段と、
前記テキストの名称データを解析して読みデータを生成する複数の言語に対応したテキスト−読みデータ変換手段と、
前記テキストの名称データの読みデータが格納された音声認識辞書と、
前記入力手段を介して入力された前記テキストを前記記憶手段に格納する制御手段と、
を有し、
前記制御手段は、取得した前記テキストの名称データの言語種別を判定し、判定した言語種別に応じたテキスト−読みデータ変換手段により当該名称データに対する読みデータを生成し、当該生成した読みデータを前記設定言語に合わせた読みデータに変換して前記音声認識辞書に登録することを特徴とする多言語音声認識装置。 - 前記制御手段は、前記取得したテキストの名称データの文字コードから言語種別を特定し、当該特定された言語種別に応じたテキスト−読みデータ変換手段により前記読みデータを生成することを特徴とする請求項1に記載の多言語音声認識装置。
- 前記制御手段は、前記取得したテキストの名称データの文字コードから言語種別を特定できないとき、保有するすべての言語種別に対するテキスト−読みデータ変換手段により前記読みデータを生成することを特徴とする請求項2に記載の多言語音声認識装置。
- さらに、前記設定言語以外の読みデータと前記設定言語の読みデータとの対応関係を定義したマッピングテーブルを備え、
前記制御手段は、前記設定言語のテキスト−読みデータ変換手段以外のテキスト−読みデータ変換手段を用いて前記読みデータを生成したとき、当該読みデータから前記マッピングテーブルを参照して前記設定言語に合わせた読みデータに変換することを特徴とする請求項3に記載の多言語音声認識装置。 - 前記外部機器は、デジタルオーディオ機器又は携帯電話機であり、前記媒体は、CD又はDVDであることを特徴とする請求項1に記載の音声認識辞書作成装置。
- 外部機器又は媒体から音声認識の対象となるテキストを取得するステップと、
前記取得されたテキストの名称データの言語種別を判定するステップと、
前記言語種別に応じたテキスト−読みデータ変換手段により、読みデータを生成するステップと、
前記生成した読みデータを所定の設定言語に合わせた読みデータに変換するステップと、
前記変換された読みデータを基に、前記設定言語での音声認識辞書を生成するステップと、
を有することを特徴とする多言語音声認識辞書作成方法。 - 前記読みデータを生成するステップは、
前記取得されたテキストの名称データの文字コードを導出するステップと、
当該文字コードから言語種別を特定するステップと、
当該特定された言語種別に応じたテキスト−読みデータ変換手段により読みデータを生成するステップと、
を含むことを特徴とする請求項6に記載の多言語音声認識辞書作成方法。 - 前記読みデータを生成するステップは、
前記取得されたテキストの名称データの文字コードを導出するステップと、
当該文字コードから言語種別を特定することができないとき、保有するすべてのテキスト−読みデータ変換手段により読みデータを生成するステップと、
を含むことを特徴とする請求項6に記載の多言語音声認識辞書作成方法。 - 前記生成した読みデータを所定の設定言語に合わせた読みデータに変換するステップでは、
前記使用したテキスト−読みデータ生成手段が設定言語用でないときに、前記設定言語以外の読みデータと前記設定言語の読みデータとの対応関係を定義したマッピングテーブルを参照して前記生成された読みデータを前記設定言語に合わせた読みデータに変換することを特徴とする請求項6に記載の多言語音声認識辞書作成方法。 - 前記外部機器は、デジタルオーディオ機器又は携帯電話機であり、前記媒体は、CD又はDVDであることを特徴とする請求項6に記載の多言語音声認識辞書作成方法。
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