In this idealized model, a digital recorder stores uniformly spaced samples of a sound wave,
taken fs times per second. The Nyquist–Shannon sampling theorem says that the
signal can be reconstructed exactly when all its frequencies are below fs/2.
1. The signal and the sampler
tone f1 000 Hz
Nyquist frequency fs/24 000 Hz
samples per period fs/f8.0
ideal reconstruction1 000 Hz
2. Time domain — the samples and what they reconstruct
original tone fsamples at spacing 1/fsreconstruction (sinc/ideal low-pass)
3. Listen
sweep position:
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