Audio Forensics

What is Audio Forensics?

Audio Forensics is the scientific examination, clarification, and/or evaluation of audio in legal matters. This scientific field focuses on the processing of recordings for the purpose of increased intelligibility, attenuation of noise, improvement of understanding the recorded material and/or improvement of quality or ease of hearing.

Audio Forensics also deals with the authentication of recorded material. Through specific procedures and techniques, it can be determined if information was added and/or removed from an analog or digital recording.

How can it help you?

Audio Forensics can be an integral part to any case in which audio is recorded. Background noises and interference can be attenuated (reduced) to make relevant speech more intelligible (understandable). Offending sounds can be identified and reduced. Audio files can be examined for their authenticity to determine any tampering with the evidence. Once a sound clip has gone through this extensive process, it can be presented in court as evidence for a jury to hear and evaluate. Audio evidence can make or break a case, as long as it is processed correctly.

Audio Clarification

The processing of recordings for the purpose of increased intelligibility, attenuation of noise, and/or improvement of quality or ease of hearing.

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Audio Authenticity

The analysis of audio to determine if the recording has been altered by the addition, removal, or rearranging of content.

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Audio Synchronization

The processing of recordings for the purpose of increased intelligibility, attenuation of noise, and/or improvement of quality or ease of hearing.

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Sources of Audio

Evidence can be recovered and processed from many different sources:

  • 911 Calls
  • Police Dispatch Recordings
  • Cell Phones
  • Body Worn Cameras (BodyCams)
  • Digital Recorders
  • CCTV Systems
  • Answering Machines
  • Voicemail

 
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