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J.21 : Performance characteristics of 15 kHz-type sound-programme circuits - Circuits for high quality monophonic and stereophonic transmissions

Recommendation J.21

Formerly ITU-R Rec. CMTT 505-5

In force components
Number
Title Status
J.21 (08/94)
 
Performance characteristics of 15 kHz-type sound-programme circuits - Circuits for high quality monophonic and stereophonic transmissions  
Formerly ITU-R Rec. CMTT 505-5
In force
 
 
Superseded and Withdrawn components
Number
Title Status
J.21 (11/88)
 
Performance characteristics of 15 kHz-type sound-programme circuits  
Former CCIR Rec. 505
Superseded

 

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Updated : 2009/07/13