513 Hours – Japanese Conversational Speech Data by Telephone

• ライセンス認証を経た製品データセットが、AIプロジェクトのスピーディーな立ち上げをアシストします。

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%.