About speaker separation in "fast-transcription-api"

y.ashibe 45

Dear Azure Support Team

https://learn.microsoft.com/en-us/rest/api/speechtotext/transcriptions/transcribe?view=rest-speechtotext-2024-05-15-preview&tabs=HTTP

The details of the TranscribeDefinition class are not described anywhere, so how should I do diarization?

{"locales": ["ja-JP"], "channels": [0,1], "diarization": true}
→🆖

{"locales": ["ja-JP"], "channels": [0,1], "diarizationEnabled": true}
→🆖

navba-MSFT 25,495 Reputation points Microsoft Employee

2024-07-29T05:31:52.0633333+00:00
@y.ashibe Welcome to Microsoft Q&A Forum, Thank you for posting your query here!

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The details to Use the fast transcription API with the relevant header details are explained here: https://learn.microsoft.com/en-us/azure/ai-services/speech-service/fast-transcription-create#use-the-fast-transcription-api

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Request Headers:

curl --location 'https://YourServiceRegion.api.cognitive.microsoft.com/speechtotext/transcriptions:transcribe?api-version=2024-05-15-preview' \ --header 'Content-Type: multipart/form-data' \ --header 'Accept: application/json' \ --header 'Ocp-Apim-Subscription-Key: YourSubscriptionKey' \ --form 'audio=@"YourAudioFile"' \ --form 'definition="{ \"locales\":[\"ja-JP\"], \"channels\": [0,1], \"diarizationEnabled\": true}"'

Hope this helps. If you have any follow-up questions, please let me know. I would be happy to help.
y.ashibe 45 Reputation points

2024-07-29T08:16:40.8633333+00:00

@navba-MSFT

Thank you for answering.

"diarizationEnabled": true

Unfortunately, I couldn't do "Diarization".

https://azure.microsoft.com/en-us/pricing/details/cognitive-services/speech-services/

Even if you look at the price plan, there is no price for "Fast Transcription" in the "Diarization" item, so it doesn't support it, right?
navba-MSFT 25,495 Reputation points Microsoft Employee

2024-07-30T03:32:20.77+00:00

@y.ashibe Thanks for your reply. I w am looking into this. I will get back once I have an update on this.
y.ashibe 45 Reputation points

2024-07-30T04:37:39.68+00:00

@navba-MSFT

Thank you, I appreciate it.

Accepted answer

navba-MSFT 25,495 Reputation points Microsoft Employee

2024-07-31T09:37:12.14+00:00

@y.ashibe Apologies for the late reply. I appreciate your patience on this.

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I got a confirmation from the Product Owners that the diarization is not yet supported with Fast Transcription API. We are working on it and plan to support around mid/late September.

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Hope this helps.

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