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◉ Audio
Microphone, speakers and stereo channels.
Microphone Test
→Check whether your microphone works and watch the live input level.
Microphone Volume Test
→Measure the relative microphone input level in your browser.
Speaker Test
→Play a reference tone to verify audio output.
Left / Right Speaker Test
→Play separate left and right channel tones to verify stereo routing.
Microphone Frequency Test
→Estimate the dominant input frequency using a live FFT.
Microphone Noise Level Test
→Watch relative RMS and peak input levels in a quiet environment.
Audio Frequency Test
→Play selectable reference tones from bass to treble.