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組織／文章編號
ITU
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  • 【組　　織】ITU
  • 【文件編號】ITU-T J.55

  • DIGITAL TRANSMISSION OF HIGH-QUALITY SOUND-PROGRAMME SIGNALS ON DISTRIBUTION CIRCUITS USING 480 kbit/s (496 kbit/s) PER AUDIO CHANNEL - Study Group 9; 11 pp

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-R BS.598-1

  • Factors Influencing the Limits of Amplitude-Modulation Sound-Broadcasting Coverage in Band 6 (MF) - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF), 6 (MF) and 7 (HF)

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-T J.63

  • Insertion of Test Signals in the Field-Blanking Interval of Monochrome and Colour Television Signals - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.473; Study Group 9; 14 pp

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-R BS.498-2

  • Ionospheric Cross-Modulation in the LF and MF Broadcasting Bands - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF), 6 (MF) and 7 (HF)

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-R BS.642-1

  • Limiters for High-Quality Sound-Programme Signals - Section 10B - Frequency-Modulation Sound Broadcasting in Bands 8 (VHF) and 9 (UHF)

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-T J.101

  • MEASUREMENT METHODS AND TEST PROCEDURES FOR TELETEXT SIGNALS - Study Group 9

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-T J.86

  • Mixed Analogue-and-Digital Transmission of Analogue Composite Television Signals over Long Distances - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.658; Study Group 9; 5 pp

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-R BS.559-2

  • Objective Measurement of Radio-Frequency Protection Ratios in LF, MF and HF Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF), 6 (MF) and 7 (HF)

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-T J.27

  • Signals for the Alignment of International Sound-Programme Connections - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.661; Study Group 9; 5 pp

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active
  • 【組　　織】ITU
  • 【文件編號】ITU-T J.26

  • Test Signals to Be Used on International Sound-Programme Connections - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.645; Study Group 9; 5 pp

  • 【日　　期】1990/6/1
  • 【語　　言】English
  • 【狀　　態】Active