×

Method and system for securely recording a verbal transaction

  • US 6,928,421 B2
  • Filed: 12/05/2001
  • Issued: 08/09/2005
  • Est. Priority Date: 12/05/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of securely recording a verbal transaction, the method comprising the steps of:

  • (i) recording an offer and an acceptance of the transaction as a digital audio file;

    (ii) generating a voice security token (VST) from the recorded digital audio file, including the steps of;

    a) sampling audio frequency and intensity set information from the recorded digital audio file;

    b) converting the sampled information from a current time domain spectrum to a frequency domain spectrum to condense the sampled information;

    c) creating a digital file from the condensed information; and

    d) encrypting the digital file to produce the VST; and

    (iii) providing the generated VST to a buyer and/or a seller, wherein the VST provides authentication of the transaction.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×