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Superseded and Withdrawn components |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Superseded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