Standard No.:	YD/T 848-1996
English Name:	Systems for Establishment of Communication Between Audiovisual Terminals By Using 2Mbit/S and Below 2Mbit/S Digital Channels
Chinese Name:	使用2Mbit/s及2Mbit/s以下的数字信道建立视听终端间通信的系统
Chinese Classification:	M13    Communication network architecture
Professional Classification:	YD    Professional Standard - Telecommunication
Issued by:	Ministry of Posts and Telecommunications
Issued on:	1996-5-22
Implemented on:	1996-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	14000 words
Price(USD):	420.00
Delivery:	via email in 1~3 business day

本标准应与建议G.725(使用64kbit/s 7kHz音频编解码器的系统概貌)、H.221(视听电信业务中64～1920 kbit/s信道的帧结构)及H.230(视听系统中帧同步的控制与指示信号)配合使用
已经证实 ，许多应用中将窄带(3kHz)和宽带(7kHz)声音与视频和/或数据一同使用，包括高质量电话、会议电话和会议电视(配置或不配置各种远程信息处理辅助设备)、声像会议设备等等。无疑还将出现更多的应用。