1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 26432 2 2： (D- ) LFE( ) KS A ISO 26432 2:2012 2012 12 31 http:/www.kats.go.krKS A ISO 26432 2:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2012 12 31 2012-0858 ： ： ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS A ISO 26432 2:2012 i 2008 1
2、ISO 26432 2, Digital source processing Part 2： Digital cinema (D-cinema) low frequency effects (LFE) channel audio characteristics . KS A ISO 26432 2:2012 2： (D- ) LFE( ) Digital source processing Part 2： Digital cinema(D-cinema) low frequency effects(LFE) channel audio characteristics 1 LFE . . 2 2
3、.1 3 dB . LFE 125 Hz . 2.2 LFE 125 Hz (2.4) . 2.3 1dB , ( 3 dB ) 5 Hz . 2.4 Hz dB 25 Hz 0 dB 31.5 Hz 0 dB 40 Hz 0 dB 50 Hz 0 dB 63 Hz 0 dB 80 Hz 0 dB 100 Hz 0 dB 125 Hz 3 dB 160 Hz 45 dB 200 Hz 102 dB KS A ISO 26432 2:2012 2 A ( ) SMPTE 202M-1998, Motion-Pictures Dubbing Theaters, Review Rooms and I
4、ndoor Theaters B-Chain Electroacoustic Response SMPTE RP 200-2002, Relative and Absolute Sound Pressure Levels for Motion-Picture Multichannel Sound Systems Applicable for Analog Photographic Film Audio, Digital Photographic Film Audio and D-Cinema 2： (D-) LFE( ) 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS A ISO 26432 2:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Digital source processingPart 2： Digital cinema(D-cinema) low frequency effects(LFE) channel audio characteristics ICS 37.060.99
