Signal Sampling Visualizer: Capture Detail vs Loss
Adjust sampling rate and watch what happens when a smooth waveform is captured too slowly. Toggle “More detail waveform” to make under-sampling more dramatic.
CreativeSolutions • /sampling
Interactive Visual
Analog waveform (reference)
Reconstructed from samples
Sample points
Zero baseline
Controls
2.0×
Samples per cycle (relative)
2
Visual result
i
Borderline
Simplified visualization for intuition. Real systems include anti-alias filtering, quantization, and codecs.
CTS exam framing: If capture loses detail, downstream processing cannot restore what was never sampled.
Use this model when questions mention “loss of fidelity,” “aliasing,” or “signal not accurately represented.”