EchoRoom
10ms Pulse · Matched Filter · Compass Gated
v4
Sweeps
0
Heading
—°
Rate
—/s
Peaks
—
⚙ One-Time Device Calibration
Measures your exact audio round-trip latency.
Hold phone naturally. Stand anywhere.
Takes 3 seconds. Stored permanently.
CALIBRATE DEVICE
Required before first scan
Rotation Coverage
Stand in centre. Rotate 360° slowly.
X coverage:
0°
/ 180°
Y coverage:
0°
/ 180°
Echo range:
— / —
m
Auto-stop at
90%
95%
97%
99%
🌡 Temp
°C
v =
344.7
m/s
CALIBRATE FIRST
Calibrate device first — then stand in centre and rotate 360°
Convergence
0%
Awaiting scan
Matched Filter Output — cross-correlation
peaks:
—
· dp:
—
· hdg:
—°
X
—
metres
width
—
Y
—
metres
depth
—
Z
—
metres
height
—
RT₆₀
— s
Reverberation time
Engine v4
Pulse:
10ms · 500-1500Hz
Filter:
matched (no deconv.)
Cycle:
80ms · 12/sec
Vol:
7% · near-inaudible
Axis:
compass gated
Sweep Log
Hdg
Axis
Near
Far
DP
Calibrate then start scan
↺ RESET