Identifying Digital Audio Signal Format

Identifying Digital Audio Signal Format

Method of Identifying Digital Audio Signal Format

This technology identifies the format of a digital audio signal, including signals that are either self-defining or headerless. Some audio signal file formats include header information indicating the digital encoding scheme, while other file formats—referred to as headerless—do not indicate the encoding scheme. This technology automatically identifies file format, an improvement over other methods, and reduces or eliminates the need for human listening.

applications: 
  • Audio forensics
  • Archiving and cataloguing audio libraries
  • Media systems
  • Patent Number: 
    7,620,469
    Patent Issue Date: 
    November 17, 2009
    Email: 
    tech_transfer@nsa.gov
    Lab Representatives
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