Editing Sampling (signal processing) (section)

==== Speech sampling ====
Speech signals, i.e., signals intended to carry only human [[speech]], can usually be sampled at a much lower rate. For most [[phoneme]]s, almost all of the energy is contained in the 100&nbsp;Hz – 4&nbsp;kHz range, allowing a sampling rate of 8&nbsp;kHz. This is the sampling rate used by nearly all [[telephony]] systems, which use the [[G.711]] sampling and quantization specifications.{{Citation needed|reason=References are needed for frequency range of human voice, and use of G.711|date=May 2018}}