◆ SpookStack

< a ye, ws . ~~ a, .¢ roa, CODE TELETYPE | “+ URGENT 2/17/74 “TO SAC, SAN FRANCISCO (7-855) Me “Gebhardt - 7 “l- _ - 1 - Mr. White aa PRON SRECTORe FBI (7-15200) 1 - Mr. R. A. miller ie . Gearnar » 1 - Mr. Killion _ _-RESPLET FEBRUARY 16, 1974, | | -.' FOLLOWING IS PRELIMINARY RESULTS OF ,RADIO ENGINEERING EXAMINATION OF SECOND CASSETTE TAPE RECEIVED AT GLIDE MEMORIAL — ° METHODIST CHURCH. ANALYSIS OF VOICE SPECTROGRAMS OF FEMALE SPEAKER IN SECOND CASSETTE REVEALS NUMEROUS SIMILARITIES TO FEMALE VOICE IN CASSETTE TAPE RECEIVED AT STATION KPFA, BERKELEY, oo we ANALYSIS OF VOICE SPECTROGRAMS OF MALE SPEAKER IN ( SECOND CASSETTE REVEALS NUMEROUS SIMILARITIES TO VOICE OF ead _ PIRST MALE IN KPFA CASSETTE. THEY ARE IN ALL PROBABILITY THE SAME SPEAKER. | THE HIGHER PITCH OF THE VOICES IN SECOND CASSETTE IS INDICATION THAT RECORDER USED TO MAKE CASSETTE NUMBER TWO WAS BATTERY OPERATED. AS BATTERIES BECAME WEAK, THE RECORDING WAS MADE AT SLOWER THAN NORMAL RATE. WHEN PLAYED BACK ON . Asso, Die. FROPERLY OPERATING RECORDER, THE RECORDING WOULD THEREFORE Dap. AD Adm, _ . kee Owe FEDERAL COREES SF EIA tone Spe id | “COMMER MT pecs nM i /S200 33 Filer t Coase te mke , Peg i i ire Ai ore an ne ae es re, 14 rev 9 49 weet me ™ TELENOR 1974 | Flt Cal , , Me Spec. tev, . Legal Coun. ‘ : . Onto GMS ne ROOM co TELETYPE UNIT ryt fr 753 rFEB27 974 : 4 yey ay we te aoe ; : . = a. a is . . ars -ge _e- ate 4 4 - . - . . Lb ~ . - _ owen . aed “ ° . Mtge % : et - vs eed! me 2 ‘ * iy Me” ow * . "4 . x. ~ sar sg ee i :