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sync-test
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Status: Ready
VISITOR DEBUG
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received position—
received server ts—
state age—
estimated video pos—
rtt (best probe)—
clock offset—
audio currentTime0.000s
live drift (vs prediction)—
independent A/V measurement
Raw numbers only — no prediction, no clock offset. Press “Capture now” on the screen, then this button within a second. Trust the difference only when the reading gap is small.
—
start-up measurement (last sync)
audio start latency—
playing event at—
startup correction—
seek accuracy—
error after correction—
error vs fresh display read—
probe forensics (last sync)
pre-play clock offset—
pre-play rtt—
pre-play sample age—
pre-play position—
post-play clock offset—
post-play rtt—
post-play sample age—
post-play position—
offset delta (post − pre)—
post offset spread—
post rtt min/med/max—
re-measure ~3 s after start
error vs display (+3 s)—
clock offset (+3 s)—
rtt (+3 s)—
correction trace (last sync)
no correction yet
fresh display read — full arithmetic (1 Hz for 5 s after start)
no measurement yet
pre-play probes (all three)
no probes yet
track
audio duration—
published video duration—
duration difference—
leading silence—
decoded duration—
sync events (seek accuracy · start latency · correction · error after correction)
no sync yet