KS C IEC 61606-1-2008 Audio and audiovisual equipment-Digital audio parts-Basic measurement methods of audio characteristics-Part 1:General《音频和视听设备 数字音频部件 音频特性基本测量法 第1部分 概述》.pdf
《KS C IEC 61606-1-2008 Audio and audiovisual equipment-Digital audio parts-Basic measurement methods of audio characteristics-Part 1:General《音频和视听设备 数字音频部件 音频特性基本测量法 第1部分 概述》.pdf》由会员分享,可在线阅读,更多相关《KS C IEC 61606-1-2008 Audio and audiovisual equipment-Digital audio parts-Basic measurement methods of audio characteristics-Part 1:General《音频和视听设备 数字音频部件 音频特性基本测量法 第1部分 概述》.pdf(28页珍藏版)》请在麦多课文档分享上搜索。
1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61606 1 1: KS C IEC 61606 1:2008 2008 11 20 http:/www.kats.go.krKS C IEC 61606 1:2008 : ( ) ( ) FITI ( ) : (http:/www.standard.go.kr) : :2008 11 20 2008-0777 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 616061:2008 i .1 1 1 2 2 3 , 2
2、 4 .5 4.1 5 4.2 (power supply).5 4.3 .5 4.4 6 4.5 7 4.6 7 5 ( / ) 14 5.1 / .15 5.2 15 5.3 16 5.4 17 6 ( / )18 6.1 / .18 6.2 19 6.3 19 6.4 21 KS C IEC 61606 1:2008 1: Audio and audiovisual equipment Digital audio parts Basic measurement methods of audio characteristics Part 1: General 2003 1 IEC 6160
3、6 1, Audio and audiovisual equipment Digital audio parts Basic measurement methods of audio characteristics Part 1: General , . 1 . . CD , DAT , , , . . . / , / . . 1 A/D D/A . KS C IEC 60268 3 . 2 32 kHz . 3 AES 17 . 4 IEC 61606(1997) , AES 17 EIAJ CP-2i50 . KS C IEC 61606 1:2008 2 2 . . ( ) . KS A
4、 ISO 266, KS C IEC 60268 2, 2: KS C IEC 60268 3, 3: KS C IEC 60958 1, 1: KS C IEC 60958 2, 2: KS C IEC 60958 3, 3: KS C IEC 61883 6, / 6: IEC 60107 5: 1999, Recommended methods of measurements on receivers for television broadcast transmissions Part 5: Electrical measurements on multichannel sound t
5、elevision receivers using the NICAM two-channel digital sound-system IEC 60038: 2002, IEC standard voltages IEC 60958 4: 2003, Digital audio interface Part 4: Professional applications(TA4) IEC 61079 4: 1993, Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz ban
6、d Part 4: Electrical measurements on sound/data decoder units for the digital sub-carrier NTSC system IEC 61079 5: 1993, Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band Part 5: Electrical measurements on decoder units for MAC/packet systems IEC 61938: 199
7、6, Audio, video and audiovisual systems Interconnections and matching valuesPreferred matching values of analogue signals ITU R BS 468 4, Measurement of audio-frequency noise voltage level in sound broadcasting AES 17, AES standard method for digital audio engineering - Measurement of digital audio
8、equipment 3 , 3.1 (Terms and definitions) . 3.1.1 (digital audio signal) LPCM(Linear Pulse Code Modulation) . 3.1.2 (coding format) IEC 60958, KS C IEC 61883 6 AV , EUT (bit stream) (coding word) 2 . 3.1.3 (digital interface for measurement) KS C IEC 61606 1:2008 3 IEC 60958, KS C IEC 61883 6 AV , K
9、S C IEC 61606 2( ) IEC 61606 3( ) . 3.1.4 (word length) . 3.1.5 (sampling frequency) fS 3.1.6 (full-scale level) FS , 16 7FFFH 8001H . 3.1.7 (signal level) dBFS . (dBFS) = 20 log10(A/B) A , B . 3.1.8 (analogue full-scale amplitude) EUT 3.1.9 (digital zero) 3.1.10 (normal measuring level) 20 dBFS 3.1
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