NTSC SIGNAL LAB
Composite Video Signal Emulator & Visualizer
◉ PHOSPHOR
▶ SOURCE INPUT
⎆
DROP VIDEO FILE
mp4 / webm / mov
SMPTE BARS
◈ SIGNAL VIEW
COMPOSITE
Y (LUMA)
U (B-Y)
V (R-Y)
CHROMA
◇ DEMODULATION
(R-Y)/(B-Y) — Westinghouse
(I)/(Q) — 1954 RCA
(X)/(Z) — 1960s Popular
Standard quadrature demodulation aligned to color-difference axes.
★ PRESETS
PERFECT
70's TV
RABBIT EARS
BROKEN SET
NTSC™
INTERLACE
📷 CAPTURE
◉ CRT OUTPUT
∿ WAVEFORM
FRAME 00000 • 00:00:00 • LINE 240/525
▶ SHOW SIGNAL REFERENCE
⟡ SIGNAL ARTIFACTS
SUBCARRIER
?
3.579545 MHz
PHASE ERROR
?
0.0°
DOT CRAWL
?
0.0
GHOSTING
?
0.0
SNOW / NOISE
?
0.0
H-HOLD
?
0
V-HOLD
?
0
◎ PICTURE CONTROLS
BRIGHTNESS
?
0.0
CONTRAST
?
1.0
SATURATION
?
1.0
TINT / HUE
?
0.0°