E2E Audio Loopback Latency Analyzer

Idle — Ready

Test Profile

Input (dongle mic)

Output

Advanced settings

Audio API Pipeline

Number of Bursts

Max Expected RTL

Max Jitter StdDev (ms)

Stimulus Level

Stimulus Signal

Inter-Burst Interval (ms)

AudioContext latencyHint

Min Pass PSR (dB)

Raw capture (echoCancellation, noiseSuppression, autoGainControl off) Keep DAC awake (−55 dBFS pilot tone) Match AudioContext rate to mic track rate (avoids input resampling) Self-test only: inject a 128-sample dropout in burst #2

Median Round-Trip Latency

— ms

Awaiting measurement...

Trial Repeatability (Jitter)

— ms

Target: ≤ ±0.5 ms StdDev

Correlation Confidence (PSR)

— dB

Gate: ≥ 18 dB peak-to-sidelobe

Glitches & Dropouts

0 / 0

Split peaks & intra-burst lag drift

Reported vs. Unreported Latency Measured RTL: — ms

baseLatency: — outputLatency: — Input path + unreported output: —

Run a WebAudio measurement to populate.

Per-Burst Measurements Sub-sample peak fit

Burst	Round-Trip Latency	Lag (Samples)	PSR	Input Peak	Status
No bursts recorded yet. Click "Run Latency Test" above.

Lag Distribution & Mode Details

Distinct lags n/a

Browser & Track Environment getSettings()

AudioContext Not initialized

Automation result window.__e2eAudioTestResult