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Audio-based electronic transaction authorization system and method

  • US 9,911,122 B2
  • Filed: 01/10/2013
  • Issued: 03/06/2018
  • Est. Priority Date: 01/10/2013
  • Status: Active Grant
First Claim
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1. A method of authorizing an electronic transaction, the method comprising:

  • receiving, at an authorization computer system, a request for authorization from a requester;

    communicating, from the authorization computer system to an audio emitting device, a request signal containing an encrypted, encoded inaudible audio request message embedded in an audio message, said request signal causing the audio emitting device to output the audio message, including the inaudible audio request message, wherein the embedded message includes at least two different portions repeated in a repetition pattern within the audio message;

    wherein the outputted audio message, when detected by an audio receiving component of a receiving device physically separate from the audio emitting device, causes the receiving device to automatically perform at least the following;

    extract the inaudible audio request message embedded in the audio message;

    decrypt and decode the extracted inaudible audio request message and perform error detection based on the repetition pattern in the embedded message, the decrypted, decoded audio request message containing a request identifier, identifying a network address of the authorization computer system, a request type, and a requested response portion, the extracted audio request message causing a processor of the receiving device to execute a code module of the receiving device to generate an authorization request to a user based on the decoded audio request message,based on the request type, process a request authorization from the user in order to generate an authorization response containing the request authorization and the request identifier, wherein the authorization response includes a response field based on the requested response portion in the inaudible audio request message, andtransmit the authorization response to the authorization computer system using the identified network address;

    receive, at the authorization computer system, the authorization response from the receiving device; and

    process the authorization response to provide authorization for the electronic transaction.

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