2,383 questions with Azure Speech in Foundry Tools tags

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Android Speech SDK 1.51.2 crashes inside libMicrosoft.CognitiveServices.Speech.core.so

We are investigating an intermittent native crash in the Android Azure Speech SDK. Environment: Speech SDK 1.51.2 Android 15 and 16 arm64-v8a Custom PullAudioInputStreamCallback backed by AudioRecord PCM 16 kHz, 16-bit, mono Two production events…

Azure Speech in Foundry Tools
asked 2026-09-17T12:43:03.6766667+00:00
YanTao Shen 0 Reputation points
0 answers

Azure Speech Studio - 403 Site Disabled error on Transcript (automatic audio synthesis) upload endpoint (Southeast Asia)

Hi team, When uploading data using the "Transcript (automatic audio synthesis)" feature in Azure Speech Studio under Custom Speech, the upload fails with AxiosError: Network Error (ERR_NETWORK). In Browser Developer Tools (F12), the CORS…

Azure Speech in Foundry Tools
asked 2026-09-14T02:32:55.5733333+00:00
Peter Ng 0 Reputation points
commented 2026-09-17T04:15:20.5566667+00:00
Ganesh Gurram 7,485 Reputation points Microsoft External Staff Moderator
1 answer

MAI-Transcribe-2 diarization returns 503 on audio longer than 32 minutes

I am using MAI-Transcribe-2 through the Azure Speech REST API. Transcription works on the full recording, but native speaker diarization hits a repeatable cutoff between 31:20 and 33:15. Setup: Azure AI Foundry resource (AIServices), S0 East US API…

Azure Speech in Foundry Tools
asked 2026-09-04T17:28:35.1366667+00:00
Adrian Acurero 0 Reputation points
commented 2026-09-14T14:30:53.2366667+00:00
Adrian Acurero 0 Reputation points
2 answers

MAI-Transcribe-2: speaker diarization fails on recordings over ~15 minutes, surfacing as HTTP 408 "RequestTimeout"

Calling the fast transcription endpoint with enhancedMode.model = "MAI-Transcribe-2" and diarization.enabled = true fails for recordings longer than roughly 15 minutes. The same recordings transcribe successfully with diarization disabled —…

Azure Speech in Foundry Tools
asked 2026-09-05T04:12:04.57+00:00
Labatt 5 Reputation points
commented 2026-09-12T18:24:15.9+00:00
Allan Solomon Mejia 8,585 Reputation points
1 answer

MAI-Transcribe-2 (public preview): data residency, retention, and DPA coverage

We are evaluating MAI-Transcribe-2 through the Fast Transcription enhancedMode API for clinical documentation in the EU, against a Speech resource in North Europe. The docs state this is public preview, provided without an SLA and not recommended for…

Azure Speech in Foundry Tools
asked 2026-09-11T11:57:49.97+00:00
Adrian Dumitrescu 0 Reputation points
edited an answer 2026-09-12T02:36:29.8766667+00:00
Allan Solomon Mejia 8,585 Reputation points
1 answer

Azure Speech SDK WebSocket Connection Fails on One Quest Headset but Works on Another (Same Build, Same Azure Resource)

Environment Unity application using Azure Speech-to-Text Azure Speech Region: centralus Azure Speech SDK: 1.44.0 Platform: Meta Quest (Android 14) Endpoint: wss://centralus.stt.speech.microsoft.com/stt/speech/universal/v2 Problem We've had a Unity…

Azure Speech in Foundry Tools
asked 2026-09-11T10:24:06.55+00:00
David Bain (GCE) 0 Reputation points
commented 2026-09-11T17:07:58.09+00:00
SRILAKSHMI C 19,735 Reputation points Microsoft External Staff Moderator
1 answer

Custom speech: Pronunciation dataset rejects cs-CZ diacritics in the spoken form, while plain-text datasets for the same locale accept them

I'm training a custom speech model for cs-CZ and need the recognizer to output German-origin surnames in their German spelling while speakers pronounce them the Czech way — audio /ʃmiːt/ should transcribe as Schmid. A Pronunciation dataset looks like the…

Azure Speech in Foundry Tools
asked 2026-09-09T09:00:05.9333333+00:00
VP 0 Reputation points
commented 2026-09-10T10:18:55.59+00:00
VP 0 Reputation points
1 answer One of the answers was accepted by the question author.

Dragon voices and editing

We are using Speech Studio for Text to Speech in our learning products. We love how natural the Dragon voices sound but there is no way to edit them. For example, sometimes it will completely ignore the word and pronounce something with letters that…

Azure Speech in Foundry Tools
asked 2026-09-03T13:59:00.2366667+00:00
accepted 2026-09-08T11:01:04.8166667+00:00
2 answers

About Azure Speech Custom Endpoint scaling

Hi, My quota for the TTS Speech service is supposedly quote good, but when I have a traffic burst (well within the quota limits) I see a lot of ResourceExhausted: No tokens available for passthrough (WebSocket Error 1013) errors. Is my understanding…

Azure Speech in Foundry Tools
asked 2026-09-07T02:19:28.78+00:00
Siarhei Lukashenka 20 Reputation points
commented 2026-09-07T05:46:21.76+00:00
Siarhei Lukashenka 20 Reputation points
2 answers

whether the Azure Commitment Discount (ACD) can be applied to Azure Speech Services (ASR/TTS) Commitment Tier purchases under an MCA-E agreement

I would like to confirm whether the Azure Commitment Discount (ACD) can be applied to Azure Speech Services (ASR/TTS) Commitment Tier purchases under an MCA-E agreement?

Azure Speech in Foundry Tools
asked 2026-09-02T05:48:18.3133333+00:00
Yun Tang 0 Reputation points Microsoft Employee
commented 2026-09-04T04:27:31.2466667+00:00
Ganesh Gurram 7,485 Reputation points Microsoft External Staff Moderator
3 answers

what is the secure way to use Azure voice live service(from foundry) from browser

My concern is about the token being visible in browser . We tried relaying the service but avatar features are not that goood from pythin sdk

Azure Speech in Foundry Tools
asked 2026-08-13T21:03:59.2+00:00
Prasanna Sai Kommineni 90 Reputation points
commented 2026-09-03T15:47:39.7733333+00:00
SRILAKSHMI C 19,735 Reputation points Microsoft External Staff Moderator
2 answers

Speech to text is not working

Subject: Azure Speech-to-Text (Speech Service) not working / recognition failing Service affected: Azure AI Speech (Speech-to-Text / Speech SDK) Issue summary: Speech-to-text transcription is not working as expected. [Choose the one that applies and…

Azure Speech in Foundry Tools
asked 2026-08-18T07:26:17.07+00:00
answered 2026-09-02T14:40:01.3266667+00:00
Thanmayi Godithi 11,825 Reputation points Microsoft External Staff Moderator
1 answer

Azure AI Speech issues

Hi, I need access to an Azure AI Speech resource so I can use Speech Studio to generate audio from meeting transcripts. Currently Speech Studio only shows "Select a resource" and no Speech resources are available in my account. Could anyone…

Azure Speech in Foundry Tools
asked 2026-08-28T13:31:21.3633333+00:00
Jessica Emke 0 Reputation points Microsoft External Staff
answered 2026-08-28T15:54:43.4366667+00:00
Allan Solomon Mejia 8,585 Reputation points
1 answer One of the answers was accepted by the question author.

Can audio generated with Azure Text-to-Speech be publicly redistributed?

Can audio generated with Azure Text-to-Speech using paid-tier, prebuilt neural voices be publicly redistributed as a standalone research artifact? Are there any restrictions or requirements concerning licensing?  Links to the relevant sections of the…

Azure Speech in Foundry Tools
asked 2026-08-27T12:13:05.3+00:00
ynot22 20 Reputation points
commented 2026-08-27T13:49:23.83+00:00
ynot22 20 Reputation points
1 answer

MAI Transcribe 1.5: documented default "readability-optimized transcript" not observed — output is always verbatim, and transcribeStyle "readability" is rejected (400)

The fast transcription docs for MAI-Transcribe in LLM Speech API (updated 2026-07-21) say: Optionally, for mai-transcribe-1.5, you can specify the style of the transcript output by using transcribeStyle. By default, the model returns a…

Azure Speech in Foundry Tools
asked 2026-08-10T18:35:51.0566667+00:00
masaki 0 Reputation points
answered 2026-08-26T20:12:45.4933333+00:00
DataGuru42 16 Reputation points
0 answers

Join: Microsoft Azure Q&A Champions Program

The Microsoft Azure Q&A Champions Program recognizes and empowers a global community of internal and external Azure experts who help customers succeed by providing high-quality, trusted answers on Microsoft Q&A. The program scales expert led…

Azure Speech in Foundry Tools
asked 2026-05-25T21:08:24.28+00:00
Ashley Swearingen 0 Reputation points Microsoft External Staff Moderator
edited the question 2026-08-26T18:46:32.8933333+00:00
Ashley Swearingen 0 Reputation points Microsoft External Staff Moderator
2 answers

Is audio-based training or acoustic adaptation available for Norwegian in Azure Custom Speech?

We are currently working on a real-time speech transcription and translation application using Azure Speech, and we are investigating whether it is possible to improve speech recognition accuracy for Norwegian by training or adapting a Custom Speech…

Azure Speech in Foundry Tools
asked 2026-08-21T18:39:45.49+00:00
Ignacio Massari 0 Reputation points
answered 2026-08-21T20:03:55.05+00:00
Jose Benjamin Solis Nolasco 12,201 Reputation points Volunteer Moderator
1 answer

ConversationTranscriber compatibility with Custom Speech

Does ConversationTranscriber in the JavaScript SDK ( microsoft-cognitiveservices-speech-sdk *v1.50.0) respect SpeechConfig.endpointId for custom speech models? The documentation lists endpoint_id as a property, but I want to confirm it works the same as…

Azure Speech in Foundry Tools
asked 2026-08-12T14:37:04.31+00:00
Tabarcea, Georgiana 0 Reputation points
answered 2026-08-14T01:50:53.47+00:00
Jerald Felix 18,760 Reputation points Volunteer Moderator
0 answers

Fast Transcription returns English words for short Polish speech under forced pl-PL (regression since Aug 3, 2026)

We use the Azure Speech Fast Transcription REST API with a single, forced locale "locales": ["pl-PL"]: POST https://westeurope.api.cognitive.microsoft.com/speechtotext/transcriptions:transcribe?api-version=2024-11-15 Since August 3,…

Azure Speech in Foundry Tools
asked 2026-08-12T09:02:24.6933333+00:00
przemek 0 Reputation points
edited the question 2026-08-12T09:04:28.6366667+00:00
przemek 0 Reputation points
1 answer One of the answers was accepted by the question author.

zh-TW sapi phoneme: docs show pinyin examples, but the API returns an empty HTTP 400

The zh-TW phonetic-set tables in SSML phonetic alphabets have a column headed sapi Example (Bopomofo, Pinyin), and every row shows both notations — for example 知 (ㄓ, zhi 1) and 八 (ㄅㄚ or ㄅㄚˉ, ba 1). Reading that column as a list of valid ph values, I used…

Azure Speech in Foundry Tools
asked 2026-08-04T11:24:19.2633333+00:00
Mark C 20 Reputation points
accepted 2026-08-10T05:51:00.7933333+00:00
Mark C 20 Reputation points