Refurbished Phone Exchange Blog — audio

What is the Difference between Wideband and Narrowband Telephone Audio?

Posted by Jeff Csisar on

Narrowband, and more frequently Wideband are becoming buzzwords in the telecom world. Narrowband and Wideband audio refers to telephone audio sampling, how much of the frequency range is sampled provides us with the differences of narrowband and wideband. Narrowband audio is sampled at 8,000 Hz and Wideband is sampled at 16,000 Hz providing a much wide range of human tonality to pass through.   Narrowband Audio: Narrowband comes in many variations, but the most traditional version of this style of codec is the G.711. G.711 actually refers to two different codecs: G.711 mu-law is used in North America while...

Read more →



Sold Out