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[null,"1.","Record Nr.",null,"UNINA9910781370703321"]
[null,null,"Titolo",null,"Report of the Committee on Ballistic Acoustics / / Commission on Physical Sciences, Mathematics, and Resources, National Research Council"]
[null,null,"Pubbl/distr/stampa",null,"Washington, D.C., : National Academy Press, 1982"]
[null,null,"ISBN",null,"0-309-58939-8"]
[null,null,"Descrizione fisica",null,"1 online resource (116 pages)"]
[null,null,"Soggetti",null,"Projectiles, Aerial"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 96)."]
[null,null,"Nota di contenuto",null,"\"\"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 \"\""]
[{"$nulls":4},"\"\"A-L. CRITICISM OF BRSW PROBABILITIES 0.88, 0.88, 0.50, AND 0.75\"\" \"\"A-2. CRITICISM OF BRSW CERTAINTY THAT MICROPHONE DETECTED SOUND OF GUNFIRE (P. 64)\"\"; \"\"A-3. CRITICISM OF BRSW/WA PROBABILITY OF 0.95 FOR SHOT FROM GRASSY KNOLL\"\"; \"\"APPENDIX B ANALYSES OF SOUND SPECTROGRAMS OF HOLD EVERYTHING... \"\"; \"\"B-1. TIME AND FREQUENCY ANALYSIS\"\"; \"\"B-2. MEASUREMENTS OF EASILY IDENTIFIED FREQUENCY RATIOS ON SOUND SPECTROGRAMS\"\"; \"\"B-3. ALTERNATIVE TIME AND FREQUENCY ANALYSES OF SOUND SPECTROGRAMS\"\"; \"\"a) Initial experiments\"\"; \"\"b) A more objective experiment on the timing\"\""]
[{"$nulls":4},"\"\"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 "]
[{"$nulls":4},"ORIGINAL RECORDS\"\"; \"\"Channel I Recording\"\"; \"\"Channel II Recording\"\"; \"\"Results\"\"; \"\"APPENDIX D POSSIBILITY OF SUPERPOSED RECORDINGS \"\"; \"\"APPENDIX E SIREN SOUNDS \"\"; \"\"APPENDIX F POSSIBLE FURTHER STUDIES \"\""]