Commercial

British English Speech Recognition Dataset

The dataset consists of 10+ hours of high-quality telephone dialogues from 20+ native speakers in the UK, with detailed annotations (ID, language, format, minutes) to support speech recognition systems, NLP tasks, and machine learning models requiring diverse British English audio datasets.

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

The dataset consists of 10+ hours of high-quality telephone dialogues from 20+ native speakers in the UK, with detailed annotations (ID, language, format, minutes) to support speech recognition systems, NLP tasks, and machine learning models requiring diverse British English audio datasets.

  • NLP
  • LLM
  • Machine Learning
  • Audio Processing
  • ASR
  • Voice Recognition
  • Speakers
    20+
  • Hours
    10+

Dataset Info

Characteristic Data
Description Audio of telephone dialogues in English for training NLP models in real-world conversational scenarios.
Data types Audio
Tasks Speech recognition, NLP
Country The United Kingdom (GBK)
Hours of telephone dialogue 10
Number of speakers 20
Labeling Annotation (ID, Language, Format, Minutes)
Recording device Android smartphone, iPhone
Download sample

Technical
Characteristics

Characteristic Data
Audio Format WAV, M4A, MP3
Recording condition Low background noise (indoor)
Duration Mean =11 min
Source and collection methodology: Data was collected via crowdsourcing platforms

Dataset Use Cases

  • Call Centers & Customer Service

    Enhancing British Telephone Speech Recognition

    British English Speech Recognition Dataset includes authentic audio recordings from real conversations with different accents. It helps call centers train recognition systems to handle regional variations in spoken English. By using this speech corpus, companies improve transcription accuracy, automate responses, and deliver smoother customer experiences in the UK market.

  • AI & Machine Learning Research

    Training Data for Speech Recognition Models

    This British speech dataset provides reliable training sets for machine learning and deep learning applications. The dataset consists of high-quality audio samples and transcriptions from native speakers. Researchers use it to build recognition technology capable of transcribing speech across different speech signals, achieving high accuracy in NLP tasks.

  • Multilingual & Cross-Language Applications

    Supporting Natural Language Processing and Translation

    The dataset is essential for language models in multilingual speech projects. By combining speech samples with other languages, developers enhance language translation, speech synthesis, and recognition technology. Its speech databases provide diverse accents and voices, making it suitable for global natural language processing and NLP tasks.

  • Commercial & Industrial Use

    Deploying Speech Technology in Real-World Scenarios

    Businesses use such datasets in commercial use cases such as smart assistants, transcription services, and speech intelligibility testing. Since the database contains diverse audio recordings and accents, it improves recognition systems’ performance, enabling more reliable speech recognition technology in everyday applications and enterprise solutions.

FAQs

What types of annotations are provided?
This dataset includes transcribed dialogues with metadata such as ID, language, format, minutes.
What are the sources of data for Unidata datasets?
Unidata datasets are created through controlled data collection and trusted partnerships. The dataset was recorded by native speakers on smartphones in indoor conditions with low background noise, ensuring high-quality speech signals.
Is it possible to request a custom dataset?
Yes, Unidata offers custom speech datasets tailored to specific needs. You may request additional English accents, speech samples, or recording conditions to train more accurate speech recognition systems or fine-tuned language models.
Do Unidata datasets follow GDPR or other data privacy regulations?
Yes. Unidata datasets are curated in full compliance with GDPR and international data protection standards. All audio recordings were collected from lawful sources to ensure ethical and responsible data usage.
How are Unidata datasets stored?
All Unidata datasets are securely stored on AWS cloud infrastructure. With ISO 27001 and ISO 27701 certifications, Unidata ensures compliance with international standards for information security and privacy, providing a safe and reliable environment for managing data.
How long does it take to receive the dataset?
Once a request is submitted, Unidata will review the details and finalize the documentation. After the contract is signed and payment is made, a dataset is typically delivered within 3-10 business days.
Is the dataset real-world or synthetic?
This dataset contains real-world audio recordings. It comprises authentic British English telephone dialogues, ensuring natural speech samples for machine learning, NLP tasks, and recognition technology.
How can this dataset help improve voice assistants and conversational AI?
The dataset provides realistic spoken language examples that help AI models recognize everyday British English conversations. It can support the development of voice assistants, transcription services, and dialogue systems that deliver more accurate user interactions.
Still have questions about using Unidata datasets? Read our user-guides

Unidata Cases

Digital Tree Passport Annotation for Forest Mapping

  • Forestry Monitoring & GIS
  • 200,000 trees, 10 species classes
  • 2 months
Learn more

License Plate Annotation for Vehicle Recognition System

  • 100,000 images with detailed license plate markup (bounding boxes, digits, regional symbols)
  • 3 weeks
Learn more

Sentiment Annotation for Brand Monitoring

  • Marketing & Consumer Insights
  • 12,000 text samples
  • 7 weeks
Learn more

Surveillance Video Annotation for Entrance Monitoring

  • Surveillance & Security
  • 90 minutes of video from three cameras, approximately 50-60 thousand frames
  • 2 week
Learn more

Similar Datasets

Why Companies Trust Unidata's Datasets

Share your project requirements, we handle the rest. Every service is tailored, executed, and compliance-ready, so you can focus on strategy and growth, not operations.

70+ Datasets

  • Finance, IT, E-commerce, Retail, Healthcare and 14+ Industries
  • Multiple supported formats
01

Unique & Diverse Data

  • Diversity in ethnicity, age, country, gender, and more
  • Exclusively collected data, not available from open sources
02

Custom Dataset Solutions

  • No manual collection needed from your side; we handle everything
  • Up to 70% cheaper than in-house
03

100% Legal, Secure & Compliant

  • Curated and legally sourced
  • AWS ISO 27001/27701
04

Smooth Collaboration & Fast Delivery

  • 87% of datasets delivered in 3–10 days
  • Dedicated PM, Europe-timezone communication
05

Need Proof?

See the results we've delivered for leading tech companies and startups.

Explore datasets

What our clients are saying

Tyler Rand

Airship AI

“We were very happy with the quality of the data that we purchased. It will assist our efforts to improve our product. The team at Unidata was very responsive to our needs, and provided the data format needed to complete our tasks. We are happy to state that Unidata delivers a high quality product in an effective and efficient manner.”

D. B.

IdentifAI Labs

“We partnered with Unidata for a vast collection of webcam and smartphone assets and were very satisfied. The data quality was excellent, maintaining high resolution and clarity across all formats to meet our specific technical needs. The procurement process was seamless thanks to their customer service. The team was proactive and transparent, ensuring smooth communication from start to finish. Although the investment was significant, the professional caliber of the data and the reliability of the service made it a worthwhile value.”

ChunXiao Liu

DFRobot

“We purchased a dataset of 50,000 license plates from around the world, and the trained model performs very well.”

Trusted by the market's leading brands

logo-identifai logo-unissey Logo Partners logo-etuitus

Our Clients Love Us

Enterprise Document Automation

Document AI Lead

The dataset gave us strong value for both pilot and early-stage testing. We plan to broaden coverage as deployment scales.

Identity Verification Lab

Deputy Director

The data was good. We passed PAD level 1 from iBeta.

Ready to get started?

Tell us what you need — we’ll reply within 24h with a free estimate

    Andrew
    Head of Client Success

    — I'll guide you through every step, from your first
    message to full project delivery

    Thank you for your
    message

    It has been successfully sent!

    We use cookies to enhance your experience, personalize content, ads, and analyze traffic. By clicking 'Accept All', you agree to our Cookie Policy.