Voice SDK Mic Initialization Failure After Pre-Granted Permission

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Issue

1 report

Created 2 days ago

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Meta's Response:

This is working as intended due to Unity Microphone limitations. To use a custom Unity microphone with the Voice SDK, reference the AudioClip in Mic.cs or create a custom MicBase implementation and add it to a GameObject with AudioBuffer. For a workaround and more information, see our documentation: https://developers.meta.com/horizon/documentation/unity/voice-sdk-known-issues/#workaround.4/27/26 at 11:11 AM

Category

Inputs

Platform

Unity

Investigation summary

The Voice SDK's AppDictationExperience microphone fails to record on Quest 2 when the app already has microphone permission at launch. Specifically, calling Activate on AppDictationExperience triggers the OnMicStartedListening event, but Microphone.IsRecording returns false, indicating that the microphone is not actually recording. This issue only occurs when microphone permission was previously granted; if the app lacks permission at startup and requests it, the microphone initializes and records correctly. This suggests a race condition or initialization order issue in the Voice SDK when permissions are pre-granted.

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