Microphone App — questions, tips, and contact info.
The built-in speaker causes feedback because the mic picks up its own output. Use wired or Bluetooth headphones to eliminate this.
Select your Bluetooth device in the route picker before pressing Start — that preserves the route. If it still switches, tap the route picker again after starting.
Gain amplifies or attenuates the microphone signal. 100% is unity (no change). Above 100% boosts the signal; below 100% reduces it. Your setting is saved and restored on next launch.
Yes, provided the app was already running in the foreground when you locked the screen.
iOS interrupts audio sessions for phone calls and Siri. Pass-through resumes automatically when the interruption ends.
AirPlay buffers audio over Wi-Fi, typically adding 1–2 seconds of latency. Bluetooth adds ~100–200ms, and wired headphones add less than 5ms.
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