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Decoding of analog speech scrambling (from 1942)

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  • Albert LaFrance
    A report delivered by Bell Telephone Laboratories in 1942 to the National Defense Research Committee, concerning recognition and decoding of .speech
    Message 1 of 1 , Nov 24, 2010
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      A report delivered by Bell Telephone Laboratories in 1942 to the National
      Defense Research Committee, concerning recognition and decoding of ".speech
      scrambling methods used in telephone privacy systems." (11 MB PDF file):

      http://coldwar-c4i.net/Other/Speech_Privacy_Decoding.pdf



      Albert



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