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产品名称

GCR-K811

DMB-C/MPEG-2/H.264/ MPEG-4

发布时间 2017-08-21
点击次数 109
GCR-K811
产品名称:

GCR-K811

上市日期: 2017-08-21

产品特点

•  完全符合DMB-C数字电视接收标准

•   完全符合MPEG-2/H.264/MPEG-4标准

•  安全性符合GB/T8898中二类设备的有关要求

•  主芯片采用采用新一代博通BCM7231高清解码芯片,安全稳定。支持MPEG2,MPEG4,H.264解码,支持国内主流CA,支持真待机。高工艺、低功耗 ,采用安卓操作系统,,支持高级安全特性,支持DLNA标准及多屏互动应用

•  此款芯片采用高性能处理器,主频高达742.5MHz

•  内嵌Loader支持远程升级,程序可即时更新到最新版本 ,OTA升级100%的成功率;

•  NIT表自动搜索功能以及手动搜索功能

•  支持标准EPG之外,还包含节目附加信息、节目分类、节目预定以及家长分级控制等高级功能

Product Manual

8-ChMPEG-2/H.264标清编码器

型号:Model:gcr-k811

类别: Category: dmb-c/mpeg-2/h.264/mpeg-4 Gospell Digital Technology Co., Ltd.


Main functions and features

8-ChMPEG-2/H.264标清编码器

Front panel

DMB-C/MPEG-2/H.264/ MPEG-4

long * Width * Height: 300*210*40

DMB-C/MPEG-2/H.264/ MPEG-4

Back panel


Technical Specifications

8-ChMPEG-2/H.264标清编码器

Chip Description:

CPU working frequency:1GHz

Flash memory port:2G/4GByte

SDRAM:1G byte DDR3


Power supply:

 Input power:  DC12V/3A

 Maximum power consumption: 36W 


Interface Description: 

RCA    1 Group                     SPDIF     1 Group

WAN    1 Road                      LAN       1 Road

YpbPr   1 Group                    USB2.0    4                 

HDMI    1 Group                    RF       1 Road

Wi-fi antenna and reset key 1 Group        SD Card    1



Tuner

Tuner: DMB-C

receiver Operating frequency range:115-858MHz 

input signal level: 36dBuV~100dBuV

Input Impedance:75Ω 

Frequency capture Range:±600KHz

Input reflection loss:>8dB

Local oscillator leakage:<43dBuv

Support Symbol Rate Range:3.6-6.952MS/s

Program Time Base (PCR) jitter resilience:+500ns


Demodulation:

Demodulation mode: DMB-C

Demodulation Method: 64QAM;

IF Bandwidth:  6-8MHz


Video decoding:

Decoding method:H.264,MPEG-2, MPEG-2, MPEG-4, DIVX/VXID format

Video output format:PAL/NTSC automatic;

Single channel video compression code rate:2-15Mbps(continuously adjustable)

Image resolution:1920x1080(maximum; With the originating signal adjustable)


Audio decoding:

Audio decoding mode:H.264,MPEG-2, MPEG-2, MPEG-4, DIVX/VXID format

Audio working mode:Mono, dual channel, stereo

Audio sampling frequency:32、44.1、48KHz


Channel encoding:

Encoding mode:RS Code(204,188,T=8)


PAL-D Video output:

Video Output Range:700±30mvp-p; 

Video Sync Range:300±20mvp-p;

Video Frequency characteristics:±0.8dB(0.5MHz~4.8MHz)

                                 ±1dB(>4.8MHz~5.0MHz)

                                 +0.5~-4db(5.5MHz)


Video signal-to-noise ratio:≥56dB

K coefficient:≤3

Chroma / Brightness gain difference:±5%

Chroma / brightness delay: ≤30ns 

Brightness Nonlinear distortion: ≤ 5%

Differential gain distortion: ±8%

Differential phase distortion: ±5 degrees

Line Sync front jitter: ≤10dB 


Audio output:

Audio Frequency Response:±2.0dB(20Hz-60Hz)

                         ±1dB(>60Hz-18KHz)

Audio signal-to-noise ratio: ≥70dB

Audio Total harmonic distortion: ≤1%

Audio left and right channel level difference:<0.5dB(60Hz-18KH z)

Audio left and right channel phase difference:≤5度(60Hz-18KH z)

Left and right channel crosstalk suppression ratio: ≥60dB

Output level: ≥4dBu

Stability: average no failure working time (MTBF) is greater than 15000 hours  

Reliability:use sj/t11219-20005.10 pilot Scheme

Electromagnetic radiation interference value::<1x10 W

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