Audio & Text Annotation Services
Structured speech and language datasets for voice assistants, transcription, chatbots, search and content moderation AI.
Turning raw audio and text into machine-readable data
We transform raw audio into structured datasets that power voice assistants, automated transcription and emotion-aware AI.
For text, we turn unstructured content into labeled data for chatbots, search, document processing and content moderation.
Used for
Capabilities
Speech & audio
Linguistic annotation for speech models.
- Speech-to-text transcription
- Speaker diarization
- Phoneme and lexical annotation
Emotion & sentiment (audio)
Affective labels for engagement AI.
- Emotion and sentiment mapping
- Customer call analytics labels
- Chatbot and assistant training data
Text & NLP
Labels that teach models to understand language.
- Named entity recognition (NER)
- Intent and sentiment analysis
- Part-of-speech tagging
Documents & OCR
Structured data from scanned and handwritten records.
- OCR and document annotation
- Key-value and form extraction
- Digitising handwritten and scanned records
How a project starts
Consultation & guidelines
We learn your project scope and annotation guidelines. We sign an NDA first if you need one.
Free pilot
A free, no-obligation pilot: up to 500 images, 10 minutes of video or 1 hour of audio, labeled to your guidelines.
Annotation & QA
Expert annotators, AI-assisted pre-labeling and blind cross-verification by a second QA team.
Delivery
Final datasets in your preferred format (COCO, YOLO, KITTI, GeoJSON, Pascal VOC or custom) on the agreed timeline.
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Frequently asked questions
What audio annotation services do you offer?
Speech-to-text transcription, speaker diarization, phoneme and lexical annotation, and emotion and sentiment mapping.
What text annotation services do you offer?
Named entity recognition, intent and sentiment analysis, part-of-speech tagging, and OCR and document annotation.
Can we try a free sample?
Yes. Send a sample with your guidelines and we will annotate a free pilot batch.
Ready to see the quality for yourself?
Send us a sample of your data and guidelines. We'll annotate a free pilot batch so you can check accuracy and turnaround before you commit.