ITU J.42:1988
ITU J.42:1988 Characteristics Of Equipment For The Coding Of Analogue Medium Quality Sound-programme Signals For Transmission On 384-kbit/s Channels
Table of Contents
1General2Transmissionperformance
3Methodofencoding
4Equipmentusinginstantaneouscompanding
4.1Codingtable
4.2Bitrates
4.3Overloadlevel
4.4Digitalsignalformat
4.5Biterrorprotection
4.6Digitalinterfaceat384kbit/s
4.7Synchronization
4.8Faultconditionandconsequentactions
5Equipmentusingnear-instantaneouscompanding
5.1Introduction
5.2Conversionfrom7kHzto169kbit/sand
constitutionofthe338-kbit/ssignal
5.3Conversionfrom338kbit/sto383kbit/s
5.4Digitalinterfaceat384kbit/s
5.5Faultconditionsandconsequentaction
6Digitalinterfacebetweenequipmentsusing
differentcodingstandards
References