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023 #3-5-85.H-16-B Q24 "H-18-A 3-7-85" Q25 H-18-B 3-7-85 ALSO SUBMITEED: Transcriptions Result of examination:. When received, the specimen.Q7 tape was broken in two. portions. The areas were repaired with edit-tabs, to allow. proper playback. Three electronically enhanced copies each were prepared. of specimens Q4 through Ql6, and Q2l through Q25, with one oeaaeeee uo Adon peoeee oea 'eeaaaeeen adea oeaeenee eo Adoo tape cassettes with Dolby B noise reduction, and the third. copy on 5-inch reels of magnetic tape in a full-track configuration at a recording speed of 3 3/4 inches per second. Only a slight.improvement in voice intelligibility could be obtained on the enhanced copies, due to the high-level noise and distortion in the speech frequency range.. To obtain the best transcriptions and aural intelli- gibility, the enhanced copies should be played back on good. quality tape recorders and listened to with headphones, but not of the in-the-ear steno style.. An autal and electronic examination of specimens in voice intelligibility could be obtained through enhancement. procedures. Special Agent and miscellaneous examinatxons. b7C -1 Specimens Q3 through Q25, the transcriptions, and the enhanced copies of specimens Q4 through Ql6 and Q21 through Q25 were forwarded to your office on June 18, 198s, via registered mail. Page Two 50412040 E QZ FBI(20-cv-3269)-4091