神马文学网150～40K网速
来源：百度文库 编辑：神马文学网 时间：2024/04/20 11:17:11
150～40K网速下行
Reply from 113.115.89.113: bytes=32 time=153ms TTL=53
Reply from 113.115.89.113: bytes=32 time=106ms TTL=53
Reply from 113.115.89.113: bytes=32 time=85ms TTL=53
Reply from 113.115.89.113: bytes=32 time=54ms TTL=53
Reply from 113.115.89.113: bytes=32 time=207ms TTL=53
Reply from 113.115.89.113: bytes=32 time=510ms TTL=53
Request timed out.
Reply from 113.115.89.113: bytes=32 time=197ms TTL=53
Reply from 113.115.89.113: bytes=32 time=95ms TTL=53
Reply from 113.115.89.113: bytes=32 time=86ms TTL=53
Reply from 113.115.89.113: bytes=32 time=74ms TTL=53
Reply from 113.115.89.113: bytes=32 time=179ms TTL=53
Reply from 113.115.89.113: bytes=32 time=364ms TTL=53
Ping statistics for 113.115.89.113:
Packets: Sent = 645, Received = 621, Lost = 24 (3% los
Approximate round trip times in milli-seconds:
Minimum = 48ms, Maximum = 3018ms, Average = 250ms
Control-C
^C
C:\Documents and Settings\user>
延迟大概6～7S
二、
Reply from 113.115.89.113: bytes=32 time=165ms TTL=53
Reply from 113.115.89.113: bytes=32 time=217ms TTL=53
Reply from 113.115.89.113: bytes=32 time=208ms TTL=53
Reply from 113.115.89.113: bytes=32 time=331ms TTL=53
Reply from 113.115.89.113: bytes=32 time=409ms TTL=53
Reply from 113.115.89.113: bytes=32 time=268ms TTL=53
Reply from 113.115.89.113: bytes=32 time=422ms TTL=53
Reply from 113.115.89.113: bytes=32 time=321ms TTL=53
Ping statistics for 113.115.89.113:
Packets: Sent = 59, Received = 57, Lost = 2 (3% loss),
Approximate round trip times in milli-seconds:
Minimum = 65ms, Maximum = 585ms, Average = 223ms
Control-C
^C
延迟约0.8秒~10秒
带宽好.使用变码率 高清1280*960 时可以使用
变率码率从几K~几兆不等
定码率是相对固定不变的约10% 20% 40% 不等
次码流可以同时和主码流使用,如用于高清录像等.
I帧间隔
每隔N个P帧传一个I帧.I帧是一个完整的帧.P帧是一个通过算法的不完整图片帧.通过组合I帧和P帧在视频上得到完整的图像.
硬电视墙的接法需要买解码器 转成模拟信号
三级网络部署 流媒体服务器放在湖南目录服务器 部署在乐昌