Audio Tests

Phone Microphone Test. Checks microphone permission, input level and live signal behavior.

Microphone Quality & Noise Test. Analyzes microphone input locally for noise, clipping and level indicators.

20 Hz – 20 kHz Audio Frequency Test. Plays a 20 Hz–20 kHz sweep so you can listen for dropouts or distortion.

Audio Diagnostic. Tests left and right channels separately to help isolate output or channel problems.

Microphone Diagnostic. Looks for silence, low level, clipping and noise symptoms in microphone input.

Headphone Test. Checks left/right channels, stereo direction and basic frequency behavior on headphones.

Speaker Test. Uses left/right channel playback and basic tones to check speaker output.