Microphone don't work on Project Mirai DX

Issue:
I was playing Hatsune Miku project mirai DX for months but no matter how much I shout the microphone feature doesn’t work at all.

System Information

  • Operating System: android
  • CPU: snapdragon 636
  • GPU: adreno 509
  • Citra Version (found in title bar): latest
  • Game: project diva mirai DX
  • Screenshot of Issue (include the full Citra window including titlebar):

Diagnostic Log
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Try set the Audio Input Device to Static Noise.