GY GY/T192—2003 Thefull scale digital level of the digital audio equipments 行业标准信息服务平台 2003-07-11 2003-08-01 GY/T 192—2003 GB/T14919-1994 SMPTERP155-1997 (AudioLevelsforDigital AudioRecordsonDigital TelevisionTapeRecorders)EBUR68-2000 (Alignment level in digital audio production equipment and in digital audio recorders) A B 行业标准信息服务平台 GY/T 192—2003 1 2 GB/T 14919-1994 SMPTERP155-1997 EBUR 68-2000 3 3.1 dBu 0.775V dBu=201g(v/0.775) dBu 6002 dBu 3.2 full scale digital level A/DD/A 标准信息服 3.3 dB FS dB full scale OdB FS " A/D D/A ” 3.4 A/D D/A analog to digital convertor and digital to analog convertor A/D D/A 3.5 digital overload A/D OdB FS OdB FS A/D OdB FS OdB FS 4 15 GY/T 192—2003 GB/T14919-1994 PCM 16bit 1KHz OdB FS +24dBu A OdB FS +22dBu B 行业标准信息服务平台 16