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100   $a19950216d1982      uy             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aReport of the Committee on Ballistic Acoustics /$fCommission on Physical Sciences, Mathematics, and Resources, National Research Council
210   $aWashington, D.C. $cNational Academy Press$d1982
215   $a1 online resource (116 pages)
320   $aIncludes bibliographical references (p. 96).
327   $a""Copyright""; ""Contents""; ""EXECUTIVE SUMMARY""; ""I. INTRODUCTION AND OVERVIEW""; ""II. DESCRIPTION OF STUDIES BY BRSW AND WA""; ""III. EVALUATION OF THE BRSW AND WA METHODOLOGIES AND CONCLUSIONS""; ""IV. TIMING EVIDENCE FROM MATCHING FEATURES""; ""IV-1. SOUND SPECTROGRAMS""; ""IV-2. ANALYSIS OF SOUND SPECTROGRAMS OF HOLD EVERYTHING...""; ""IV-3. TIMING OF CHANNEL I AND CHANNEL II EVENTS""; ""IV-4. POSSIBILITY OF SUPERPOSED RECORDINGS""; ""V. EVALUATION OF THE FBI REPORT""; ""VI. POSSIBLE FURTHER STUDIES""; ""VII. CONCLUSIONS""; ""APPENDIX A CRITICISM OF PROBABILITY CALCULATIONS ""
327   $a""A-L. CRITICISM OF BRSW PROBABILITIES 0.88, 0.88, 0.50, AND 0.75"" ""A-2. CRITICISM OF BRSW CERTAINTY THAT MICROPHONE DETECTED SOUND OF GUNFIRE (P. 64)""; ""A-3. CRITICISM OF BRSW/WA PROBABILITY OF 0.95 FOR SHOT FROM GRASSY KNOLL""; ""APPENDIX B ANALYSES OF SOUND SPECTROGRAMS OF HOLD EVERYTHING... ""; ""B-1. TIME AND FREQUENCY ANALYSIS""; ""B-2. MEASUREMENTS OF EASILY IDENTIFIED FREQUENCY RATIOS ON SOUND SPECTROGRAMS""; ""B-3. ALTERNATIVE TIME AND FREQUENCY ANALYSES OF SOUND SPECTROGRAMS""; ""a) Initial experiments""; ""b) A more objective experiment on the timing""
327   $a""c) A more objective experiment on the frequencies"" ""B-4. DIGITAL CALCULATIONS OF CROSS CORRELATIONS BETWEEN CHANNEL I AND CHANNEL II""; ""APPENDIX C TIMING OF CHANNEL I AND II EVENTS ""; ""C-1. ANALYSIS OF BOWLES TAPES""; ""Channel I Recording""; ""Channel II Recording""; ""a. Gap""; ""b. Speed Compensation""; ""c. Repeats""; ""d. Silences""; ""Results""; ""C-2. ANALYSIS OF TAPES MADE DIRECTLY FROM ORIGINAL RECORDS""; ""Channel I Recording""; ""Channel II Recording""; ""Results""; ""APPENDIX D POSSIBILITY OF SUPERPOSED RECORDINGS ""; ""APPENDIX E SIREN SOUNDS ""; ""APPENDIX F POSSIBLE FURTHER STUDIES ""
606   $aProjectiles, Aerial
615  0$aProjectiles, Aerial.
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