Efficient scrambling techniques for speech signals/

Eitemau Tebyg

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  gan: 333795 Philips V. J., et al.
• Analog signal encryption : scrambling versus digitization /
  gan: 180300 Gersho, Allen
• A new speech signal scrambling method for mobile radio applications /
  gan: Del Re, Enrico
• Voice scrambling /
  gan: 289301 Nai, Choon Siang
  Cyhoeddwyd: (1999)
• Measuring security in analog speech communications security devices /
  gan: 441017 McCalmont, Arnold M.