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High Level Stages Mid Level Stages Low Level Stages MC#8 MC4-7 MC#4-7 MC#1-3 MC1-3 HFHL HFML HFLL LFHL MC8 LFML Skewing + + + + Input + + Output 3
7.2.2 1987 Optical Radiation Corp 88 1990 6 15 70 16 6 5.1 4 Mbp/s 24% 14 1991 InterBEE 7.2.3 2 1992 6 19 SR AD SR D LCR LS RS 5.1 3 2 5.1 320kbps 12 4
3 35 109 2.4mm 76x76 1.26 30um 6.5 1 24(96 554,496bps D 1980 3 contributionquality coder transmission-quality coder emission-quality coder 192k 128k 96k 3 AC-3 AC-3 MDST MDCT TDAC 512 256 256 512 50% 512 256 48kHz 5.3mS 256 2.7mS 4 DA-10 MPEG (PASC) DCC 384kbps/2ch MD ATRAC 256kbps/2ch AT&T NTT AC-3 256 93Hz -critical band 50 5
PCM blksw cplg strat rematflags expstrat dithflags Encoded Spectral Envelope Mantissas bitalloc bap 7.2.4 1993 6 11 Digital Theater System CD-ROM CD-ROM 1 130 CD 2 2 16 PCM 1 CD-ROM 4 apt-x apt-x 4 AD-PCM DTS-6 DTS-2 2 6 2 DTS-2 1 2 CD-ROM 1 5.1 DTS-6 2 2 Side information Main information 4 AC-3 1995 7 2,500 250 1993 12 2 AC-3 384kbps 1995 5 DTS-6 DTS-6 5 80HZ 5.1 2 200 CD-ROM 44.1kHz 6
7 SW L C R LS RS LC RC
8 Lmix=1/3(L+LC+LS) C data data C1 C1 C2 C2 B 4.45 frames 16 film-blocks
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10 THX70 THX 2 2 JBL EV 15 2 A4 7.4.3 A B THX THX 250W 500W 400W 11 JBL8330 7kHz 13
S/N THX NC 25 THX RT60 13 B ISO2969-X 4 2kHz 30 500 +1dB/oct 150 +0.5dB/oct 1500-1dB/oct X 4kHz 8kHz -4dB 12 NC A 10dB 10dB 14
14 ISO2969-X 15 15
Allen, Ioan "Technical Guidelines for Dolby Stereo Theatres", April 1993 Blake, Larry "Mixing Dolby Stereo Film Sound", Recording Engineer/Producer Magazine, February 1981 Holman, Tomlinson "THX Sound System", Audio Magazine, September 1989 1995 1 1993 InterBEE CINEMA DEGITAL SOUND 1991 InterBEE 16