PHONEME RECOGNITION DICTIONARY GENERATION DEVICE AND PHONEME RECOGNITION DEVICE AND THEIR PROGRAM

• Main Authors: ONOE KAZUHO, ICHIKI MANON
• Format: Patent
• Language: English; Japanese
• Published: 24.01.2019
• Subjects: ACOUSTICS; MUSICAL INSTRUMENTS; PHYSICS; SPEECH ANALYSIS OR SYNTHESIS; SPEECH OR AUDIO CODING OR DECODING; SPEECH OR VOICE PROCESSING; SPEECH RECOGNITION

To provide a phoneme pronunciation dictionary used for phoneme recognition and a phoneme recognition dictionary generation device for generating a phoneme language model.SOLUTION: A phoneme recognition dictionary generation device 1 includes word-specific phoneme string generation means 10 for generating a word-specific phoneme string from a learning corpus by forced alignment, phoneme string word generation means 11 for generating a phoneme string word by converting the word-specific phoneme string into a text data format of one word, phoneme pronunciation dictionary generation means 12 for generating a phoneme pronunciation dictionary 50 by using phoneme string words as headwords and word-specific phoneme string corresponding to the phoneme string word as pronunciation notation, and phoneme language model generation means 14 for learning an N-gram language model from a list of phoneme string words and generating a phoneme language model 60.SELECTED DRAWING: Figure 1 【課題】音素認識に用いる音素発音辞書および音素言語モデルを生成する音素認識辞書生成装置を提供する。【解決手段】音素認識辞書生成装置１は、学習コーパスから、強制アライメントにより単語別音素列を生成する単語別音素列生成手段１０と、単語別音素列を１単語のテキストデータ形式に変換して音素列単語を生成する音素列単語生成手段１１と、音素列単語を見出し語とし、当該音素列単語に対応する単語別音素列を発音表記とすることで、音素発音辞書５０を生成する音素発音辞書生成手段１２と、音素列単語のリストから、Ｎ−ｇｒａｍ言語モデルを学習し、音素言語モデル６０を生成する音素言語モデル生成手段１４と、を備える。【選択図】図１