Commercial

Korean Speech Recognition Dataset

Korean Speech Recognition Dataset provides over 10 hours of telephone-based dialogues recorded by native Korean speakers, offering clean audio data for speech recognition, NLP training, and conversational AI. This Korean audio dataset includes annotated files, consistent recording conditions, and varied dialogue samples, making it a reliable speech corpus for model training and real-world speech detection tasks.

Get in touch Download sample
  • Hours
    10+
  • Speakers
    20+
  • NLP
  • LLM
  • Machine Learning
  • Audio Processing
  • ASR
  • Voice Recognition

Korean Speech Recognition Dataset provides over 10 hours of telephone-based dialogues recorded by native Korean speakers, offering clean audio data for speech recognition, NLP training, and conversational AI. This Korean audio dataset includes annotated files, consistent recording conditions, and varied dialogue samples, making it a reliable speech corpus for model training and real-world speech detection tasks.

Get in touch Download sample
  • NLP
  • LLM
  • Machine Learning
  • Audio Processing
  • ASR
  • Voice Recognition
  • Hours
    10+
  • Speakers
    20+

Dataset Info

Characteristic Data
Description Audio of telephone dialogues in Korean for training NLP models in real-world conversational scenarios.
Data types Audio
Tasks Speech recognition, NLP
Country Korea (KOR)
Hours of telephone dialogue 10+
Number of speakers 20+
Labeling Annotation (ID, Language, Format, Minutes)
Recording device Telephone
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Technical
Characteristics

Characteristic Data
Audio Format M4A, MP3
Recording condition Low background noise
Duration Mean = 7 min
Source and collection methodology Data was collected via crowdsourcing platforms.

Dataset Use Cases

  • Telecommunications & Customer Service

    Enhancing Korean Dialogue Systems

    This Korean Speech Dataset supports the development of customer service bots that understand natural conversational cues in the Korean language. Because the dataset contains real telephone dialogues recorded by native Korean speakers, it helps improve automatic speech recognition, speech detection, and intent classification. Brands can use this audio data to refine response models and handle diverse real-world inquiries.

  • AI Assistants & Conversational Interfaces

    Training Voice-Driven Korean Applications

    The dataset provides phone-based audio data featuring structured and unstructured exchanges, allowing engineers to build voice assistants that handle fluent Korean dialogue. With clear recorded texts and metadata-rich corpus content, it helps models distinguish speakers, manage interruptions, and interpret spontaneous speech. This strengthens conversational agents used in mobile apps, smart devices, and enterprise tools.

  • Speech Technology Research

    Evaluating Korean Speech Recognition Models

    Researchers use this Korean audio dataset to benchmark speech recognition performance under realistic acoustic conditions. The dataset consists of telephone-quality recordings from native speakers, supporting studies in emotion recognition, automatic speech processing, and acoustic modeling. It offers consistent training data for testing algorithms and improving the robustness of recognition systems.

  • Language Learning & EdTech

    Improving Korean Listening Models

    Educational platforms rely on speech datasets like this one to train tools that assess pronunciation, interpret learner responses, and provide automated feedback. Because the dataset contains natural Korean dialogue and varied speech patterns, it supports the creation of listening-practice engines and adaptive tutoring systems. It also strengthens models designed to evaluate fluency in real-world scenarios.

FAQs

What is included in the dataset?
The dataset contains 10+ hours of Korean telephone dialogues recorded by native Korean speakers, along with metadata such as speaker ID, language, audio format, and duration. The audio files are accompanied by annotations suitable for speech recognition and corpus analysis.
Can I request a sample of the dataset before buying?
Yes, Unidata provides free samples so you can evaluate audio quality, annotation formats, and speaker variation. These samples help confirm whether the speech corpus meets your requirements for model training or benchmarking.
Where does the data in Unidata datasets come from?
Unidata sources data ethically from verified contributors, licensed providers, and controlled collection environments. For this Korean language dataset, all telephone dialogues were collected via trusted crowdsourcing platforms following strict quality guidelines.
How are Unidata datasets licensed?
Unidata datasets follow a dual-licensing model: free samples are available for testing, while full datasets require a paid license. This approach lets organizations evaluate compatibility before purchasing the complete Korean conversation dataset.
Do Unidata datasets comply with GDPR and data privacy regulations?
Yes. All datasets are curated under GDPR and other applicable data protection laws, ensuring that audio data from Korean speakers is collected and processed ethically and legally.
How are Unidata datasets stored?
Unidata stores all datasets on secure AWS cloud infrastructure, compliant with ISO 27001 and ISO 27701 standards. This ensures stable access, high availability, and safe handling of speech data across large corpora.
How long does it take to receive the dataset?
After you submit a request, Unidata contacts you to verify requirements and finalize documentation. Once payment and agreements are complete, the dataset is delivered within 3–10 days.
Is the Korean audio data unique?
Yes, the telephone dialogues in this dataset are unique recordings created specifically for speech model development. They are not sourced from public speech corpora, making them valuable for training models on fresh, previously unseen speech patterns.
Still have questions about using Unidata datasets? Read our user-guides

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