Commercial

Japanese Speech Recognition Dataset

The dataset comprises 513 hours of telephone dialogues in Japanese, collected from 878 native speakers across various topics and domains

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  • hours
    513
  • speakers
    800+
  • Sentence Accuracy Rate
    95%
  • NLP
  • LLM
  • Machine learning
  • Audio Processing
  • ASR
  • Voice Recognition
  • hours
    513
  • speakers
    800+
  • Sentence Accuracy Rate
    95%

Dataset Info

Characteristic Data
Description Audio of telephone dialogues in Japanese for training NLP models in real-world conversational scenarios.
Data types Audio
Tasks Speech recognition, NLP
Country Japan (JPN)
Hours of telephone dialogue 513
Number of speakers 878
Labeling Annotation (text content, speaker's ID, gender, age and other attributes)
Gender Male (46%), Female (54%)
Recording device Android smartphone, iPhone
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Statistics

Distribution by gender

Technical
Characteristics

Characteristic Data
Audio Format Wav, u-law/a-law
Sampling Rate 8kHz
Number of Channels Mono
Bit Depth 8 bit
Recording condition Low background noise (indoor)
Source and collection methodology. Data was collected by a partner of Unidata.

Industries

Entertainment Industry:

  • Natural Language Processing:

    Developing and refining NLP models for applications in chatbots, virtual assistants, and conversational agents.

  • Voice Recognition Systems:

    Enhancing customer service automation and improving user experience through accurate speech recognition in telephone dialogues.

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Education:

  • Language Learning Tools:

    Providing authentic conversational data to support language acquisition and improve teaching methodologies.

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What our clients are saying

UniData

4 3 Reviews

Abhijeet Zilpelwar 2025-02-26

Data is well organized and easy to…

Data is well organized and easy to consume. We could download and use it for training within few hours of receiving the data links.

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Paul 2025-02-21

Very Positive Experience!

The team was very responsive when requesting a specific dataset, and was able to work with us on what data we specifically needed and custom pricing for our use case. Overall a great experience, and would recommend them to others!

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Thorsten 2025-01-09

Very good experience

We got in touch with UniData to buy several datasets from them. Communication was very cooperative, quick, and friendly. We were able to find contract conditions that suited both parties well. I also appreciate the team's dedication to understand and address the needs of the customer. And the datasets we bought from UniData matched with our expectations.

Max Crous 2024-10-08

Data purchase

Our team got in touch with UniData for purchasing video data. The team at UniData was transparent, timely, and pleasant to communicate and negotiate with. Their samples and descriptions aligned well with the data we received. We will certainly reach out to UniData again if we're in search of 3rd party video data.

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