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.

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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.

Audio & speech data collection

Quickly gather and measure multilingual audio samples to enhance voice-enabled machine learning software. Working with TELUS International unlocks access to a network of 1 million+ qualified linguists, in-country speakers and experienced project managers capable of collecting audio and speech data for a range of use cases.

Audio transcription

Communicate with a wider audience via our audio, phonetic and video transcription services. Choose from intelligent verbatim transcription (also called clean verbatim or clean read transcription) or strict verbatim, capturing every spoken word without edits. In addition to our standard transcription services, we also support multilingual audio, time stamping and speaker identification.

Audio classification

Collect and classify audio samples into predetermined categories with our data classification services. From acoustic data classification to sales call analysis, we quickly annotate audio files based on your project specifications.

Multilingual audio data services

Our community of highly skilled and specialized language professionals are located across the globe, providing access to a huge volume of audio training data in hundreds of languages and dialects including Chinese, Dutch, French, German, Italian, Japanese, Portuguese, Spanish and more.

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

Text-to-speech

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.

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.