513 Hours – Japanese Conversational Speech Data by Telephone

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513 Hours – Japanese Conversational Speech Data by Telephone_513 Hours – Japanese Conversational Speech Data by Telephone

513 Hours – Japanese Conversational Speech Data by Telephone

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The 513 Hours - Japanese Conversational Speech of natural conversations collected by telephony involved more than 800 native speakers, developed with the proper balance of gender ratio, Speakers would choose a few familiar topics out of the given list and start conversations to ensure dialogues' fluency and naturalness. The recording devices is telephony recording system. The audio format is 8kHz, 8bit, uncompressed WAV, and all the speech data was recorded in quiet indoor environments. All the speech audio was manually transcribed with text content, the start and end time of each effective sentence, and speaker identification. The accuracy rate of sentences is ≥ 95%.

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Specifications

Format: 8kHz, 8bit, u-law/a-law wav, mono channel;

Recording Environment: quiet indoor environment, without echo;

Recording content: dozens of topics are specified, and the speakers make dialogue under those topics while the recording is performed;

Demographics: 878 Japanese, with 46% male and 54% female;

Annotation: annotating for the transcription text, speaker identification and gender;

Device: Telephony recording system;

Language: Japanese;

Application scenarios: speech recognition; voiceprint recognition;

Accuracy rate: 95%

そうですね。三食、えっと、野菜とタンパク質と
はい、朝が十時ぐらいに、十時、頃、十時過ぎに食べたので、まだ食べてません
昼ご飯はえっと、ホットモットの生姜焼き弁当を買って
と生姜焼きと、漬物と、ポテトサラダが入ったものなんですけど、それとご飯を一緒に食べてきました
はいぼくは朝は卵豆腐とあとサラダ

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513 Hours – Japanese Conversational Speech Data by Telephone

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513 Hours – Japanese Conversational Speech Data by Telephone