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广电设备维修

提供既有个性化又具有专业性的广电设备维修服务.

数字电视IP前端 

交换式的IP数字电视前端全IP前端介绍

Harmonic PVR8100处理平台技术参数

PVR™ 8100系列的集成接收器 - 解码器的第一个成员,PVR8100单通道商用解码器和解扰器是一种结构紧凑,功能齐全的全新处理平台。采用PVR8100 用户可以接收DVB-S/S2 , IP或ASI信号,解码高清和标清MPEG-2和MPEG-4 AVC传输流中以基频,解扰加密的节目,并输出内容到模拟或数字电视,完美的融合于哈雷全IP前端及解决方案中。哈雷的卓越的视频质量和低延迟确保及时分发内容,解码分辨率高达1080p50/60 。

RF 输入:2 或4个

调制方式: DVB-S: QPSK;DVB-S2: QPSK, 8PSK   

符号率: 1-45 Msym/s

门限: -65 to -25 dBm
最大带宽: Up to 108 Mbps
布进: 125 kHz
FEC: All ratios compliant with standard
滚降系数: 0.2, 0.25 and 0.35
模式: CCM, VCM
 
DVB-ASI:BNC, 75 Ω
包长度:188 or 204 byte packets
最大带宽:120 Mbps
 
解密:Embedded Descrambling BISS, Verimatrix
DVB-CI :2CI slots, EN-50221 CA Methods Multicrypt, Simulcrypt
 
视频解码格式:
MPEG-2 SD 4:2:0 MP@ML
MPEG-2 HD 4:2:0 MP@HL
MPEG-4 AVC SD  MP@L3
MPEG-4 AVC HD  MP@L4.0, HP@4.0
最大速率:
MPEG-2 SD  15 Mbps
MPEG-2 HD  50 Mbps
MPEG-4 AVC SD  10 Mbps
MPEG-4 AVC HD  20 Mbps (MP), 25 Mbps (HP)
 
视频分辨率:
1080p @ 50, 60 fps
1080i @ 29.97, 30, 25 fps
720p @ 59.94, 50, 60 fps
480i @ 29.97 fps
576i @ 25 fps
480p @ 59.94 fps
模拟输出:
PAL-B/G/I/M/N/D
NTSC
SECAM
复用处理:
Stream and service level remultiplexing with service/unreferenced PID remultiplexing
Service filtering and remapping
ES PID remapping
Unreferenced PID filtering and remapping
High-accuracy PCR restamping
PSI/SI processing and regeneration
CA signaling removed when descrambling
视频处理:
HD video down-converted to SD with aspect ratio conversion
Aspect ratio conversion: 16:9 to 4:3
Simultaneous HD-SDI and SD-SDI output
VBI reinsertion in composite video and embedded in SDI
CC CEA 608/708 re-insertion in composite video and SDI VANC
音频处理:
MPEG-1 Layer-II
Dolby® Digital stereo decode
Dolby Digital 5.1 decode, down-mix,passthrough
Dolby Digital Plus stereo decode
Dolby Digital Plus 5.1 decode, down-mix,passthrough
AAC/HE-AAC, LC stereo decode
AAC/HE-AAC, LC 5.1 decode, down-mix,passthrough
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