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Fact · Speech recognition

Google's Cloud Speech-to-Text documentation says the service detects words in an audio clip by comparing the input with one of many machine learning models.

Checked against its source on October 17, 2026

In the source's own words

“Cloud Speech-to-Text detects words in an audio clip by comparing input to one of many machine learning models”

Select a transcription model (Cloud Speech-to-Text), Google Cloud, 2026, Transcription models section.

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What it measures
The page is Google's guide to choosing a model for transcription requests, and this sentence opens its description of how the service works.
What it does not show
Describes one vendor's service. It does not say which model architecture Google uses.

Source

Cited on

Google's speech service compares audio with machine learning models | Yap