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Webinar Video Questions & Answers Q: For the voice scrambler, were patents available that could be reverse engineered? A: Two very important branches in voice communication were and are CELP and MELP. Type inside Google "CELP compression patents" and be astonished that these developments are still going on this day. One of the older patents can be found too. Have a look at this link for more information, just as an example: http://www.google.com/patents/US5742930 Note that Philips Usfa in t ...

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