Document Detail


An Inconclusive Digital Audio Authenticity Examination: A Unique Case.
MedLine Citation:
PMID:  21854384     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
  This case report sets forth an authenticity examination of 35 encrypted, proprietary-format digital audio files containing recorded telephone conversations between two codefendants in a criminal matter. The codefendant who recorded the conversations did so on a recording system he developed; additionally, he was both a forensic audio authenticity examiner, who had published and presented in the field, and was the head of a professional audio society's writing group for authenticity standards. The authors conducted the examination of the recordings following nine laboratory steps of the peer-reviewed and published 11-step digital audio authenticity protocol. Based considerably on the codefendant's direct involvement with the development of the encrypted audio format, his experience in the field of forensic audio authenticity analysis, and the ease with which the audio files could be accessed, converted, edited in the gap areas, and reconstructed in such a way that the processes were undetected, the authors concluded that the recordings could not be scientifically authenticated through accepted forensic practices.
Authors:
Bruce E Koenig; Douglas S Lacey
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-19
Journal Detail:
Title:  Journal of forensic sciences     Volume:  -     ISSN:  1556-4029     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-8-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375370     Medline TA:  J Forensic Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 American Academy of Forensic Sciences.
Affiliation:
BEK TEK LLC, 12115 Sangsters Court, Clifton, VA 20124-1947.
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