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234 Hours-Japanese Speech Dataset (Mobile Phone Recordings)

Japanese audio dataset
Japanese ASR training data
Japanese spontaneous dialogue dataset
Japanese speech dataset

This dataset contains 234 hours of Japanese speech audio, collected from monologue based on given scripts, covering 210,000 formal or informal expressions. Transcribed with text content and other attributes. Our dataset was collected from extensive and diversify speakers(799 Japanese recorded in mixed condition, such as indoor, roadside, restaurant, etc.), geographicly speaking, enhancing model performance in real and complex tasks.Quality tested by various AI companies. We strictly adhere to data protection regulations and privacy standards, ensuring the maintenance of user privacy and legal rights throughout the data collection, storage, and usage processes, our datasets are all GDPR, CCPA, PIPL complied.

Format
16kHz, 16bit, uncompressed wav, mono channel;
Recording condition
Mixed(indoor, roadside, restaurant);
Content category
formal and informal expressions;
Recording device
Android smartphone;
Speaker
799 Japanese, 49% male and 51% female;
Country
Japan(JPN);
Language(Region) Code
ja-JP;
Language
Japanese;
Features of annotation
Transcription text, timestamp, 6 noise symbols;
Accuracy Rate
Sentence Accuracy Rate (SAR) 95% (noise symbols are excluded)
  • Audio

    法律上の定めはないが、戦後も歴代内閣が続けている[n]

  • Audio

    納得できるまで問い続けたいんですよね

  • Audio

    大人げないなんて言われても、私は気にしない

  • Audio

    業界初の車いす用の衝撃吸収システムも装備した

  • Audio

    [n]カラーはラセットとメチルチャコールの二種類

b2d95773-3625-4196-80c3-2a4413ba10ce

4446da28-ef75-4ff2-bda2-25affd9bdc73