digital telephony 中文意思是什麼
digital telephony
解釋
數字電話學-
In the past few years, there has been significant interest in digital video applications like video conferencing and video e - mailing over internet, video telephony over public switched telephone networks ( pstn ) and wireless networks, etc. by removing spatio - temporal redundancies existing in adjacent frames, motion estimation can reduce the coding bit - rate significantly
低速率視頻編碼技術已在許多領域得到了應用，如在pstn （公共電話網） 、無線網、 n - isdn （窄帶綜合業務數字網） 、 b - isdn （寬帶綜合業務數字網）上傳輸視頻會議、可視電話和無線手持終端等。 -
Integrated services digital network. telephony 7 khz teleservice. service description
綜合服務數字網. 7khz電話業務.業務描述 -
Telecommuniciations - digital transport of video teleconferencing video telephony signals - video test scenes for subjective and objective performance assessment
電信.可視電話會議可視電話信號的數字傳輸.主觀和客觀性能評定的視頻試驗現場 -
Isdn. integrated services digital network - telephony terminals - payphones
綜合業務數字網 -
Telecommunication - digital transport of video teleconferencing video telephony signals - performance terms, definitions, and examples
電信.可視電話會議可視電話信號的數字傳輸.性能定義和示例 -
The introduction of new technology platforms for service delivery, such as 3g mobile network for telephony and data services ; digital broadcasting ; the convergence of telecommunications, broadcasting and internet services ; smart card technology ; location based services including global positioning systems ; spatial and geographic information systems s gis ; radio - frequency identification rfid technology ; and the development of a digital trade and transportation network have provided an enabling environment for the development of innovative applications, contents and services based on these new operating media
在本港引入供傳送服務的新技術平臺，例如可提供電話和數據服務的第三代流動通訊網路數碼廣播電訊業廣播業和網際網路服務三者的科技匯流智能卡技術定位服務包括全球定位系統gps空間及地理資訊系統s gis射頻識別rfid技術，以至數碼貿易運輸網路的開發，均有助提供有利環境，以上述各項新營運媒體為基礎，開發嶄新的應用系統內容和服務。 -
Time division multiple access : a digital wireless telephony transmission technique
時分多址：一種數字無線電話傳輸技術。
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