audio quality tester

Inspect the audio before blaming the model.

Upload a call sample or record your microphone. The browser decodes it locally and reports signal-level problems that commonly damage transcription and playback.

local onlyNo audio selected.

Signal checks are not a MOS score

This tool detects basic amplitude, silence, clipping, channel, and sample-rate issues. It does not measure packet loss, jitter, echo, intelligibility, transcription accuracy, or perceptual call quality.