English Data Services for AI
Align and automate communications and functions with English-speaking audiences worldwide using high-quality English language data for AI training by Andovar.
2,500+ Hours of
AI-ready English Voice Data
2.2 million mono & bilingual
AI-ready English Text Segments for NLP
Leading annotation
Technology & annotators
English SMEs
across all major industries
English Language Data
English is one of the world’s most widely spoken languages, with over 1.4 billion speakers across North America, Europe, Asia, Africa, and Oceania. It includes multiple variants such as American English, British English, Australian English, Indian English, and African English dialects. Each variant carries unique pronunciation, vocabulary, and grammatical conventions, forming a diverse linguistic landscape.
For AI applications, capturing these regional variations is essential. Dialect-aware data enables speech recognition systems, NLP workflows, and conversational AI models to respond naturally across global markets. Our English NLP dataset and English text dataset support robust AI training for applications such as customer support automation, chatbots, search engines, and sentiment analysis. With domain-rich and dialect-specific data, AI systems can understand intent, interpret context, and deliver localized user experiences.
Data Solution
Crowdsourced English data for speech, text and video
English Voice Data
Harness the power of English voice data to enhance your AI systems
English voice data is foundational for training high-performance speech technologies. Our dataset includes a large variety of dialects, accents, demographic profiles, and recording conditions. It covers conversational interactions, scripted commands, spontaneous speech, role-play dialogues, and controlled prompts.
These datasets strengthen ASR accuracy, TTS naturalness, voice biometrics, and interactive AI experiences. Andovar brings over two decades of expertise in recording, linguistic QA, and global voice data collection. Our English chatbot dataset is ideal for virtual assistants, customer interaction platforms, and multilingual AI solutions.
Voice Data Specifications
Voice Data
English Voice Data
Hours
2,500+ hours
Device
Mobile, Laptop, Professional Studio
Sample Rate
8–48 kHz
Recording Environment
Studio, home, office, car, multi-noise backgrounds
Use Cases
ASR, chatbot training, language modeling, TTS
English Transcription
Transform English audio and video content into text with precision
Our English transcription services convert audio and video content into accurate, high-quality text. We cover audio transcription, video subtitling, timestamped transcripts, and domain-specific documentation for industries including media, healthcare, legal, finance, education, and government.
Native-speaking linguists and transcription experts ensure accuracy across dialects—whether American English, British English, Australian English, or other global varieties. Using hybrid AI + human workflows, we deliver efficient, secure, and precise transcriptions with confidentiality and strict quality assurance.
English Data Annotation
Enhance your AI models with expertly annotated data
Our English data annotation services power advanced AI applications, including sentiment analysis, entity extraction, content moderation, computer vision, and intent detection. We annotate large-scale text, speech, image, and video datasets using trained linguistic specialists and enterprise-grade annotation tools.
These datasets help AI models interpret context, classify information, detect emotions, understand complex grammar, and analyze multimedia. Our English sentiment analysis dataset is widely used for customer sentiment monitoring, market research, and social media analysis.
English Text Data
Leverage our extensive English text datasets for your AI projects
We offer comprehensive English corpora, sentiment and intent datasets, bilingual datasets, and domain-specific text collections. These datasets fuel a range of NLP applications including classification, chatbot development, semantic search, MT training, and content analysis.
Our collections include social media content, long-form text, business documents, user-generated content, and specialized domains such as legal, financial, and medical. All English text data is ethically sourced and compliant with copyright and IP regulations.
Custom English Data Projects
Tailor your English data needs with our custom projects
We deliver fully customized English data solutions for enterprise AI development. Our teams collect, label, and curate unique datasets such as receipts, invoices, emails, webpages, social media posts, forms, images, and transcriptions.
We support niche industries including fintech, healthcare, retail, transportation, media, gaming, and cybersecurity. Our workflow includes data acquisition, anonymization, cleaning, annotation, and validation with rigorous quality, security, and ethical compliance. Our English language data resources ensure comprehensive, scalable, and domain-optimized datasets.
Text Data
- Books
- News
- Academic journals
- Blogs
- Comments
- Reviews
- Legal contracts
- Medical case files
Visual and Multimedia Data
- Image descriptions
- Video subtitles
- Annotations
- Infographics
Domain-Specific Data
- Scientific data
- Financial records
- Government publications
- Market reports
Conversational Data
- Interviews
- Helpdesk chats
- Podcast transcripts
- Dialogue from TV and film
- Speeches
Structured and Semi-Structured Data
- Spreadsheets
- Databases
- Tables
- Charts
- Metadata
Miscellaneous Documents
- Menus
- Receipts
- Invoices
- Newsletters
- Travel documents
Cultural and Creative Content
- Lyrics
- Poetry
- Recipes
- Humor content
- Stories
User-Generated Content
- Comments
- Reviews
- Q&A
- Social profiles
Language and Linguistic Data
- Corpora
- Lexical databases
- Dialect datasets
- Phonetic transcriptions
Interactive & Instructional Content
- Tutorials
- FAQs
- Guides
- Scripts
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