Meta Horizon OS Audio

• Sample depth: 32-bit
• Sample rate: 48000 Hz
• Channels: 1

• Android audio policies around multi-app microphone access might mute the microphone in your app. If this happens, the microphone stream isn’t closed and is provided empty audio data. Your app can check whether the microphone is receiving empty audio data by using the Android AudioManager⁠ and your app’s AudioRecordingConfiguration⁠.
  • AudioManager.getActiveRecordingConfigurations()⁠ returns the list of device configurations for your app in instances of AudioRecordingConfiguration⁠.
  • AudioRecordingConfiguration.isClientSilenced()⁠ returns whether your microphone recording stream is receiving empty audio data based on Android microphone access policies.
• Meta Horizon OS system processes may mute the microphone in your app. In this scenario, your app’s microphone stream isn’t closed, but receives empty audio data.
  • AudioManager.isMicrophoneMute()⁠ returns whether your microphone recording stream is receiving empty audio data because its been muted by the Meta Horizon OS.

• Sample depth: 32-bit
• Sample rate: 48000 Hz
• Sample buffer size (Per Channel): 192 samples
• Channels: 2