Commercial

Hindi Speech Recognition Dataset

The hindi speech dataset contains a large collection of audio recordings of real-world Hindi telephone dialogues between native speakers, offering annotated training data for speech recognition, recognition systems, and NLP applications, making it an essential dataset for developing speech technology in Indian languages

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  • Hours
    760
  • Speakers
    1,000+
  • Sentence Accuracy Rate
    95%
  • NLP
  • LLM
  • Machine Learning
  • Audio Processing
  • ASR
  • Voice Recognition

The hindi speech dataset contains a large collection of audio recordings of real-world Hindi telephone dialogues between native speakers, offering annotated training data for speech recognition, recognition systems, and NLP applications, making it an essential dataset for developing speech technology in Indian languages

Get in touch Download sample
  • NLP
  • LLM
  • Machine Learning
  • Audio Processing
  • ASR
  • Voice Recognition
  • Hours
    760
  • Speakers
    1,000+
  • Sentence Accuracy Rate
    95%

Dataset Info

Characteristic Data
Description Audio of telephone dialogues in Hindi for training NLP models in real-world conversational scenarios.
Data types Audio
Tasks Speech recognition, NLP
Country India(IND)
Hours of telephone dialogue 760
Number of speakers 1,004
Labeling Annotation (text content, speaker's ID, gender, age and other attributes)
Gender Male (48%), Female (52%)
Recording device Telephone
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Statistics

Distribution by gender
Distribution by gender

Technical
Characteristics

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

Dataset Use Cases

  • Call Centers & Customer Service

    Improving Hindi Telephone Dialogue Recognition

    Hindi Speech Recognition Dataset offers real audio recordings from everyday conversations. Since the dataset consists of Hindi speakers with varied accents, it helps call centers train recognition systems to handle diverse voices. This supports more accurate transcription, quicker responses, and better customer service across industries using speech recognition.

  • AI & Machine Learning Research

    Building Models for Hindi Speech Processing

    This Hindi language dataset provides training data for machine learning and deep learning projects. The speech corpus includes high-quality audio files with accurate transcriptions collected from native speakers. Researchers use it to train recognition systems that can process Indian languages with the highest accuracy in transcription and classification tasks.

  • Multilingual Applications

    Supporting Cross-Language NLP and Translation

    The Hindi audio dataset plays a key role in multilingual speech applications. When combined with spoken English and other Indian languages, it enables better language processing, speech translation, and recognition technology. Its large collection of audio samples ensures adaptability for global NLP tasks and multilingual communication systems.

  • Commercial & Industrial Use

    Deploying Hindi Dialogue Recognition at Scale

    Businesses rely on the Hindi dialogue dataset for commercial use in transcription services, smart assistants, and mobile applications. Since the database contains audio samples across varied conditions, it improves recognition systems’ performance, ensuring reliable speech recognition technology for everyday business operations and customer-facing products.

FAQs

What is included in Hindi Speech Recognition Dataset?
This dataset consists of 760 hours of Hindi telephone dialogues recorded by 1,004 speakers. The audio files are provided in PCM, a-law, and u-law formats, along with annotations such as transcribed text, speaker ID, gender, and age.
How is the data collected?
The data was collected using standard telephone devices in indoor environments with low background noise. This ensures clean audio recordings suitable for speech corpora, language models, and speech processing tasks.
Can I request a sample of the Hindi Speech Recognition Dataset before purchasing or downloading it?
Yes, a sample of the dataset can be requested. Reviewing the audio recordings, transcriptions, and speaker metadata helps confirm that the dataset is suitable for your speech recognition or training data requirements.
Is it possible to request a custom dataset?
Yes, Unidata offers custom datasets for specific research or commercial needs. You can request additional Hindi speech samples, different dialects of Indian languages, or special recording conditions to train more accurate recognition models.
How are Unidata datasets licensed?
Unidata datasets follow a dual-licensing model. Free samples are provided for trial and testing, while the full Hindi speech dataset is available only after purchase.
Do Unidata datasets follow GDPR or other data privacy regulations?
Yes. Unidata datasets are curated in compliance with GDPR and relevant data protection regulations. All speech recordings were collected from lawful sources, ensuring ethical data collection and safe usage.
How are Unidata datasets stored?
Unidata securely stores all datasets on AWS cloud infrastructure. With ISO 27001 and ISO 27701 certifications, our system ensures the highest security, availability, and compliance with global privacy standards.
How long does it take to receive the dataset?
Once you submit a request, we will review the details and complete the required documents. After signing and payment, a dataset is usually delivered within 3–10 business days.
Still have questions about using Unidata datasets? Read our user-guides

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