Pertaining to frequencies corresponding to a normally audible sound wave. These frequencies range approximately from 15 Hz to 20 kHz.
"My mother has several 30 year plus LPs from a group that is no longer recording and to the best of my knowledge is not being distributed anymore. She has often said that she wished she could get of CD of the group! Thanks to you, for her birthday this year we had one of the albums transferred to CD. She will be getting additional CDs for her ..."
