Event

Acoustic analysis of the Dallas police recording

The House committee’s 1978 acoustic study of a Dallas police radio recording of 22 November 1963, and the National Research Council’s 1982 review of it.

8 links, 3 backed by primary records

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Dates: 1978–2005

Connections 8

involved

House Select Committee on Assassinations Commissioned the 1978 analysis Primary record 1
National Research Council Reviewed the recording and both analyses in 1982 Scholarship & press 2
U.S. Department of Justice Arranged the National Research Council review in 1980 Scholarship & press 3

appears in

Report of the Select Committee on Assassinations (Kennedy) Described in Primary record 1
Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited Re-examined in Scholarship & press 3
Synchronization of the acoustic evidence in the assassination of President Kennedy Re-examined in Scholarship & press 4
Report of the Select Committee on Assassinations (Kennedy) The knoll shot, in the committee’s account, missed the President Primary record 1
Report of the Committee on Ballistic Acoustics Reviewed in Scholarship & press 2

Timeline 1 date

1978–2005 Acoustic analysis of the Dallas police recording

Proof 4 sources

Report of the Select Committee on Assassinations, U.S. House of Representatives: Part I, Section B (scientific evidence, including the acoustical analysis), U.S. National Archives and Records Administration, 1979. Primary record
In May 1978, the committee contracted with Bolt Beranek and Newman Inc.
Two recording systems were in use at the time--a Dictabelt for channel 1, and a Gray Audograph disc recording for channel 2.
that the shot from the grassy knoll missed President Kennedy
Report of the Committee on Ballistic Acoustics, National Academies Press, 1982. Scholarship & press
Report of the Committee on Ballistic Acoustics studied these reports and the Dallas Police recordings on which they are based.
This book reviews the methodology employed in the evaluations of the recorded acoustic data and of the conclusions about the existence of a shot from the grassy knoll.
Echo correlation analysis and the acoustic evidence in the Kennedy assassination revisited, Science & Justice 41, 2001. Scholarship & press
In 1980, the United States Department of Justice arranged with the National Research Council (NRC) for a reanalysis of the data produced by the HSCA.
A Dallas Police Department recording contemporaneous with the Kennedy assassination contains five impulsive sounds that have the acoustic waveform of Dealey Plaza gunfire.
Synchronization of the acoustic evidence in the assassination of President Kennedy, Science & Justice 45 (abstract on IBM Research), 2005. Scholarship & press
We have revisited the acoustic evidence in the Kennedy assassination - recordings of the two Dallas police radio channels upon which our original NRC report

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2026-11-02Add 55 stories, each checked against its sourcesAlibek96e92fe6

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