ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-T J.100
TOLERANCES FOR TRANSMISSION TIME DIFFERENCES BETWEEN THE VISION AND SOUND COMPONENTS OF A TELEVISION SIGNAL - Study Group 9
- 【日 期】1990/6/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.57
Transmission of Digital Studio Quality Sound Signals Over H1 Channels Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.724; Study Group 9
- 【日 期】1990/6/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BT.472-3
Video-Frequency Characteristics of a Television System to Be Used for the International Exchange of Programmes between Countries That Have Adopted 625-Line Colour or Monochrome Systems - Section 11C - Control, Measurement and International Exchange of Tel
- 【日 期】1990/6/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.726
40, 32, 24, 16 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) (Study Group XV) 60 pp
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT 1175
406 MHz GEOSTATIONARY SATELLITE DISTRESS ALERTING EXPERIMENT
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.727
5-, 4-, 3- and 2-Bits Sample Embedded Adaptive Differential Pulse Code Modulation (ADPCM) (Study Group XV) 58 pp
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT BT.1223
A layered model approach for digital television
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT M.1155
Adaptation of mobile radiocommunication technology to the needs of developing countries
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT 1027-1
ADAPTIVE CODING/DECODING METHODS FOR NARROW-BAND DIRECT-PRINTING EQUIPMENT
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT BT.802-3
Additional services using broadcasting channels
- 【日 期】1990/1/1
- 【語 言】English
- 【狀 態】Active
