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"Hi I just got my CD in the mail today of the wire recordings converted to CD and it sounds great. Hard to believe that something recorded 60 years ago could sound so good. To hear my parents and grandparents voices was quite a thrill. thanks "

Pink noise

Random noise signal having the same amount of energy in each octave. Therefore, the amount of energy between 100 Hz and 200 Hz, a 100-cycle-wide segment, is the same as the energy between 10 kHz and 20 kHz.