The essential guide to AI training data

Audio Data

From virtual assistants to in-car navigation systems, all sound-activated machine learning systems rely on a foundation of diverse, high-quality audio data.

TELUS international enables machine learning teams to quickly create model-ready audio datasets across 500+ languages and dialects. Whether you’re looking for professionally recorded speech data, a platform to annotate audio files, or need a remote community to conduct software testing, we are your solution for audio data outsourcing.

Audio data powered by human intelligence

Our multilingual community is ready to source the audio data and professionally recorded speech needed for your datasets across 500+ languages and dialects. We develop, calibrate and improve voice-enabled applications with a full-suite of audio annotation services. Our network of qualified linguists and in-country speakers have deep experience annotating audio data for machine learning.

Audio data services

Leveraging our global AI Community along with our proprietary AI training platform, we collect, create, annotate and validate large volumes of multilingual audio data to build and optimize your AI training datasets.

Our experience

Discover how we help our clients build industry-leading machine learning models.

A person speaking using a natural language processor on their phone


Build a text-to-speech (TTS) system that can generate realistic speech in multiple languages. Our global community works in over 500 languages and dialects to improve your data at every stage of the training process, from collecting native audio samples to validating your model’s output.

A mobile AI using speech recognition

Automatic speech recognition

Improve accuracy for automatic speech recognition (ASR) systems using labeled speech data produced by a diverse set of speakers. We helped one of the world’s largest technology companies expand its voice-based search engine to support 30+ languages.

Upgrade your AI

Partner with our AI Data Solutions experts to customize the exact project to advance your machine learning needs.

A person recording an audio note on his smartphone