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Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited

Paper by D. B. Thomas in Science & Justice (2001) defending the acoustic evidence and answering the 1982 National Research Council report.

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Dates
2001
The debate

What it found

A conservative estimate of the true value of the probability that the putative Grassy Knoll shot is attributable to random radio noise is no greater than 0.037.1

Who disputes it

What it disputes

  • Report of the Committee on Ballistic Acoustics 2001

    Alleged asynchroneity of the sounds with the time of the assassination stemmed from several incorrect assumptions. Whatever their origin, the gunshotlike sounds occur exactly synchronous with the time of the shooting.1

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Timeline 3 dates
  1. 2001 Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited
  2. 2001 Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited disputes a finding of Report of the Committee on Ballistic Acoustics According to Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited
  3. 2005 Synchronization of the acoustic evidence in the assassination of President Kennedy disputes a finding of Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited According to Synchronization of the acoustic evidence in the assassination of President Kennedy
Proof 2 sources
  1. Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited, Science & Justice 41, 2001. Scholarship & press
    A conservative estimate of the true value of the probability that the putative Grassy Knoll shot is attributable to random radio noise is no greater than 0.037.
    Alleged asynchroneity of the sounds with the time of the assassination stemmed from several incorrect assumptions. Whatever their origin, the gunshotlike sounds occur exactly synchronous with the time of the shooting.
    A Dallas Police Department recording contemporaneous with the Kennedy assassination contains five impulsive sounds that have the acoustic waveform of Dealey Plaza gunfire.
  2. Synchronization of the acoustic evidence in the assassination of President Kennedy, Science & Justice 45 (abstract on IBM Research), 2005. Scholarship & press
    This paper identifies serious errors in the Thomas paper and corrects errors in the NRC report. We reaffirm the earlier conclusion of the NRC report that the alleged "shot" sounds were recorded approximately one minute after the assassination.
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