Deterministic acoustic verification utilities to inspect headphone performance and driver matching.
Verify that left and right audio channels are routed to the correct physical earbuds without channel reversal or crosstalk.
Inspect acoustic driver matching, phantom center positioning, and smooth stereo soundstage movement.
Adjust the relative level sent to the left and right playback channels with digital attenuation.
Send a logarithmic 20 Hz to 20 kHz signal sweep through the current playback route and observe the device for dropouts, buzzing, rattling, or abrupt changes.