Lexikon Abtastrate specifications

Category : Lexicon

(Also called sampling frequency, sampling rate or sampling frequency) Indicates how many samples are made in one second during the digitization of a signal. This determines which bandwidth the sampled signal can have at most. The sampling theorem valid in this context (Nyquist / Shannon) states that the bandwidth can comprise at most half the sampling rate.

As an example, the CD makes 44100 samples per second, which corresponds to a sampling rate of 44.1kHz and a maximum theoretical bandwidth of 22.05kHz. In practice, the bandwidth is somewhat lower due to non-ideal filtering - it is about 20 kHz, and thus covers approximately the frequency range audible by the human ear.