Asynchronous REST API that transcribes large quantities of recorded audio held in storage and delivers the text later; it is unsuitable for live captioning.
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Terms in this definition
- REST
Short for representational state transfer, the style of HTTP API that Azure services expose.
- API
Short for application programming interface: a contract that client code calls programmatically, for example a web API secured with tokens or the Files, Images or Responses APIs.
- General-purpose v1
The older storage account kind (
Storage), which lacks access tiers, Archive and premium file shares and retires on 13 October 2026. Converting to ZRS requires first upgrading to GPv2, a one-way change. - Captioning
Turning speech in live or recorded video into timed text shown on screen; a speech to text use case that can also filter profanity and display partial results.
Related terms
- Custom speech endpoint
Needed for real-time recognition with a custom speech model and identified by its
endpointId. Batch transcription doesn't require one, and the model behind it can be replaced without any downtime.