Audio frequencies used for the transmission of speech
This article is about a technical treatment of the human voice. For voice categories derived from a European musical history, see vocal range. For a more general discussion of musical vocal ranges, see Voice classification in non-classical music.
Audio bands in telephony[1]
Name
Range (Hz)
Narrowband
300–3,400
Wideband
50–7,000
Superwideband
50–14,000
Fullband
20–20,000
A voice frequency (VF) or voice band is the range of audio frequencies used for the transmission of speech.
^Cox, R. V.; Neto, S. F. De Campos; Lamblin, C.; Sherif, M. H. (October 2009). "ITU-T coders for wideband, superwideband, and fullband speech communication [Series Editorial]". IEEE Communications Magazine. 47 (10): 106–109. doi:10.1109/MCOM.2009.5273816.
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formant with the lowest frequency is called F1, the second F2, the third F3, and so forth. The fundamental frequency or pitch of the voice is sometimes referred...