consider frequency range: 150Hz-17kHz min., 20-20k Hz ideal Jan 2, 2014 21:46:58 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Will R (admin) on Jan 2, 2014 21:46:58 GMT The frequency range for (excellent) human hearing is 20Hz to 20,000Hz, therefore your data collection should gather as close to that range as possible. This is lowest pitch to highest pitch.