DTMBLABBROWSER RECEIVER

SIGNAL WORKBENCH

See the signal. Recover the stream.

Inspect your IQ capture, check reception, and decode with the dtmb-sdr core.

WebAssembly + WebGL

Spectrum & waterfall

Waiting for capture
dBFS / bin · MHz
WATERFALL128 sampled windows across the selected interval
Hann window · 2,048-point FFT

PN detection

PN945: Not tested.

Results for
PN945
Configured mode
Auto
Detection state
Not tested
Header hits
—
Correlation / threshold
—
Peak correlation
—
Estimated offset (coarse)
—
Header / frame symbols
—
Frame period
—
Frames / superframe
—

Correlation is a normalized metric, not SNR.

No interval analyzed.

System information

Lock state
Not tested
Frame body
—
Detected profile
—
Modulation
—
FEC rate
—
Interleaver
—
SI metric / margin
—
Observations
—

A configured profile is separate from a detected profile.

Timing details

Not tested.

  • PN420: Not tested
  • PN595: Not tested
  • PN945: Not tested

Probe: first 0.2 s, at most 16 MiB and 30 s per mode. Scan tests all three; configuration stays explicit.

RECORDED LEVEL— dBFS

RMS per component

CLIPPING— %

Sampled I / Q components

DC OFFSET—

Normalized I / Q mean

CAPTURE LENGTH— s

From file size and input rate

Capture check

NOT INSPECTED

Your spectrum is the first check. A successful DTMB decode is the next.

Format, sample rate, clipping, and I/Q balance are checked over sampled windows. Only receiver lock and clean FEC output can establish that a capture contains decodable DTMB.

Receiver output

IDLE
  1. PN acquisition →Not tested
  2. System-information lock →Not tested
  3. FEC recovery →Not tested
  4. TS validationNot tested

Open a file to begin.

Receiver log
No receiver run yet.

Diagnostic report

Save capture settings, PN observations and receiver results for your records.