roperties;Recorders;Reproductions;Signal transmission;Signals;Sound reproduction;Sound-broadcasting receivers;Studios;Television receivers;Test signals;Testing;Use;Video equipment【摘要】: This part of IEC 61606 is applicable to the basic measurement methods of audio equipmentfor professional use.The definitions, measuring conditions and methods common to both consumer andprofessional equipment are described in the IEC 61606-1.This standard contains details of definitions and measuring conditions and methods applicableto professional equipment which differ from those described in IEC 61606-1.This standard excludes consideration of? measurement of low-quality audio devices,? measurement of low-bit-rate audio devices (‘sub-band’ or ‘perceptual’ coding devices),? measurement of devices which significantly modify time or frequency characteristics of thesignal, such as pitch shifters or reverberators,? measurement of signals from analogue input to analogue output, beyond the most general,? EMC and safety related testing.【中国标准分类号】: M72【国际标准分类号】: 33_160_30【页数】: 48P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |