Sampling theorem and aliasing
Signals and Systems · Engineering
Study notes
Audio 20kHz: sample at 44.1kHz (>40k). Sample at 30kHz: 20k aliases to 10k (wrong tone). Anti-alias LPF before ADC. CD 44.1kHz standard from this.
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Signals and Systems · Engineering
Audio 20kHz: sample at 44.1kHz (>40k). Sample at 30kHz: 20k aliases to 10k (wrong tone). Anti-alias LPF before ADC. CD 44.1kHz standard from this.