1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61937 1 IEC 60958 PCM 1：KS C IEC 61937 1:2011 2011 12 30 http:/www.kats.go.krKS C IEC 61937 1:2011 : ( ) ( ) ( ) : () : (http:/www.standard.go.kr) ： ：2011 12 30 2011-0701 ： ： ( 02-509-7262) (http:/www.kats.go.kr). 10 5 , . KS C IEC 61937 1:2011 i ii
2、i 1 1 2 1 3 , .1 3.1 .1 3.2 .3 3.3 3 3.4 F872h3 4 .3 5 4 6 IEC 60958 4 6.1 .4 6.2 - 10 6.3 (stuffing)10 7 .11 7.1 (Pause data-burst) .12 7.2 15 7.3 .15 A( ) IEC 60958 .17 18 1 IEC 60958 5 2 IEC 60958 5 3 .7 4 7 5 .8 6 .9 7 PE ( - ) .9 8 PF .9 9 - - .15 10 - 15 11 16 A.1 .17 1 IEC 60958 5 2 .6 KS C I
3、EC 61937 1:2011 ii 3 7 4 8 5 PD - 10 6 .11 7 .12 8 13 9 - .14 10 .15 KS C IEC 61937 1:2011 iii 2007 2 IEC 61937 1, Digital audio Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Part 1： General . KS C IEC 61937 1:2011 IEC 60958 PCM 1： Digital audio Interface for non-linear PC
4、M encoded audio bitstreams applying IEC 60958 Part 1： General 1 PCM IEC 60958 . . (AES/EBU) . 2 . . ( ) . IEC 60958( ), Digital audio interface IEC 61937( ), Digital audio Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 3 , , . 3.1 3.1.1 - (data-burst) 3.1.2 - 16 (word) KS C
5、 IEC 61937 1:2011 2 3.1.3 . 3.1.4 (gap) (sequence) 3.1.5 PCM . 3.1.6 , 3.1.7 3.1.8 - 3.1.9 - 3.1.10 ( ) . . 3.1.11 (idle) PCM ( PCM b1 1 . 7 ). KS C IEC 61937 1:2011 3 3.1.12 - (length-code) - 3.1.13 3.1.14 PCM ( , ) 3.1.15 PCM 3.1.16 (stuffing) . 3.1.17 16 . 3.1.18 (stream gap) , . 3.2 3.2.1 MPEG M
6、otion Pictures Expert Group, a joint committee of ISO and IEC 3.2.2 SMPTE The Society of Motion Picture and Television Engineers 3.2.3 ETSI European Telecommunication Standards Institute 3.2.4 ATSC Advanced Television Standards Committee 3.3 3.4 F872h 16 F872 . 4 IEC 60958 IEC 60958 . IEC 60958 KS C
7、 IEC 61937 1:2011 4 PCM . PCM . 64 . - , - . . (7. ). 16 IEC 60958 12 27 . IEC 60958 (ch1, ch2) 32 . IEC 60958 2 PCM PCM . . 5 KS C IEC 60958 1 KS C IEC 60958 3 . 6 IEC 60958 6.1 PCM IEC 60958 16 , 12 27 . PCM IEC 60958 , (6.3 ). PCM . . PCM . . KS C IEC 61937 1:2011 5 1 IEC 60958 1 IEC 60958 IEC 60
8、958 - 0 3 IEC 60958 4 7 . “0” 8 11 . “0” 12 27 16 28 (flag) IEC 60958 . 29 IEC 60958 . 30 IEC 60958 . 31 60958 . 6.1.1 IEC 60958 IEC 60958 . 2 IEC 60958 MSB LSB b27 b26 b25 . b14 b13 b12 0; B M 0 1 14 15 0; W 16 17 30 31 1; B M 32 33 46 47 1; W 48 49 62 63 2; B M 64 65 78 79 . . B Mn 32 n 31 n 18 n
9、17 W n 16 n 15 n 2 n 1KS C IEC 61937 1:2011 6 IEC 60958 16 , - 1(- 27) MSB , 32 2(- 12) LSB( 16 PCM LSB) . - 32 IEC 60958 . . . 16 , IEC 60958 . 16 , IEC 60958 - MSB . 0 . 6.1.2 IEC 60958 1 . . 6.1.3 IEC 60958 1 1 PCM IEC 60958 ( A ). PCM IEC 60958 1 . 6.1.4 (symbol frequency) IEC 60958 PCM , PCM (P
10、CM 32- , 2 ) 64 . PCM , 64 , IEC 61937 . 6.1.5 16 (Pa, Pb, Pc Pd) - . 2 (IEC 60958 ) ( - ) R . , KS C IEC 61937 1:2011 7 (IEC 60958 ) . . PCM , . 6.1.6 . Pa Pb . Pc / . Pd - , Pd 65 535 , Pd 65 535 . IEC 60958 . 1 Pa , 2 Pb . IEC 60958 , 16 MSB - 27 LSB - 12 . 3 3 MSB . LSB Pa 16 1 F872h Pb 16 2 4E1
11、Fh Pc 16 5 Pd 16 - 4 IEC 60958 - - 27 12 - 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0Pa 1 1 1 1 1 0 0 0 0 1 1 1 0 0 1 0Pb 0 1 0 0 1 1 1 0 0 0 0 1 1 1 1 1Pc 5 , Pc, 15 MSB Pd , 15 MSB KS C IEC 61937 1:2011 8 6.1.7 - 16 - . 5 Pc 0 6 - KS C IEC 61937 2 7 0 - 1 - 8 12 - 13 15 0 - IEC 60958 . 6.1.7.1 - 7 , 6
12、MSB Pc 0 6 . - - . - , . - . - KS C IEC 61937 2 . - KS C IEC 61937 3 . 6.1.7.2 - Pc 1Fh(- 31) , Pe Pf . 4 . Pe Pf - . IEC 60958 1 Pe , 2 Pf . 4 KS C IEC 61937 1:2011 9 6 MSB . LSB Pa 16 1 F872h Pb 16 2 4E1Fh Pc 16 - 5 Pd 16 - - Pe( ) 16 - 7 Pf( ) 16 . 8 6.1.7.2.1 Pe 7 Pe ( - ) Pe R IEC 60958 0 65 53
13、5 0 65 535 - - . 6.1.7.2.2 Pf 8 Pf Pf 0 65 535 0 65 535 . 6.1.7.3 - - . 0 . 1 . . 6.1.7.4 - - 5 - - (7.2 ). 6.1.7.5 - 3 - . (0 7) . - . KS C IEC 61937 1:2011 10 - MSB 15 . . - 0h . , 0h - . , - 0h . - 0h . - , - . , - . 6.1.8 - - - 0 65 535 . Pa, Pb, Pc Pd - . , - Pe Pf ( 4 ) , - Pe Pf . 5 Pd - 6.2
14、- - Pc - . - KS C IEC 61937 2 . 6.3 (stuffing) ( 2 ). 16 , IEC 60958 . 6.3.1 IEC 60958 16 , 16 - MSB , 0 ( ). 6.3.2 0 16 KS C IEC 61937 1:2011 11 . 6.3.3 (burst spacing) 1 IEC 60958 PCM PCM ( A ). 0 12 27 IEC 60958 . Pa Pb 0 96 . PCM , . , Pa 0 , . 6 7 - . , (Null data-burst) . - Pc 0 4 - . - - . IEC 60958 , PCM , 1 1 ( A ). ( 1 ) PCM PCM (7.3 ). PCM , (6.3.2 ). , - . KS C IEC 61937 1:2011 12 7 7.1 (pause data-burst) ( ) “ ” (switching) PCM KS C IEC 61937 1:2011 13 . , . . 8 , (Ps) . R Pa 0 , , ( ). 0 (6.3.2 ). 8 . PCM ( ) . ( ) , (fade-out) . PCM . . - - .
