※ 技术特点 ● MPEG2 HD/MPEG4 高清视频编码 ● 4* HDMI or VGA 输入 (1U机箱) ● 4*CVBS输入（1U机箱） ● 4*SDI输入（1U机箱） ● 1*ASI 输入; 1 RF 输入 (混频使用) ● DVB-T, DVB-C, ATSC, ISDB-T，DTMB RF 输出可选 ● 支持LCN (Logical Channel Number) (DVB-C/DVB-T/ISDB-T/DTMB); 支持 VCT(ATSC) ● LCD 显示, Web网管远程控制和固件更新 ● 单通道成本最低- 突破性的价格 ※ 技术参数 ● Encoding Section Ypbpr/CVBS/S-Video(with an adapter to VGA) IN Encoding MPEG-2 MP@ML(4:2:0) Input CVBS*4 Resolution 720*576(PAL), 720*480(NTSC) Encoding MPEG1 Layer II Sample rate 48KHz Bit rate 64kbps,96kbps,128kbps, 192kbps, 256kbps, 320kbps HDMI IN Video Encoding MPEG2 HD/MPEG4 HD Input HDMI*4 Resolution 1920*1080_60i, 1920*1080_50i, 1920*1080_60P, 1920*1080_50P, (-for MPEG4/H.264 only) 1280*720_60p, 1280*720_50P 720*480_60i, 720*576_50i Audio encoding MPEG1 Layer II, (MPEG2-AAC, MPEG4-AAC available ) Sample rate 48KHz Bit rate 64kbps, 96kbps,128kbps, 192kbps, 256kbps, 320kbps SDI IN Video Encoding MPEG2 MPEG4 AVC/H.264 Input SDI*4 Resolution 1920*1080_60i, 1920*1080_50i, 1920*1080_60P, 1920*1080_50P, (-for MPEG4/H.264 only) 1280*720_60p, 1280*720_50P 720*480_60i, 720*576_50i Audio encoding MPEG1 Layer II, (MPEG2-AAC, MPEG4-AAC available ) Sample rate 48KHz Bit rate 64kbps, 96kbps,128kbps, 192kbps, 256kbps, 320kbps ● Modulator Section DVB-T Standard EN300744 FFT mode 2K, 8K Bandwidth 6M,7M,8M Constellation QPSK, 16QAM, 64QAM Guard Interval 1/4, 1/8, 1/16, 1/32 FEC 1/2, 2/3, 3/4, 5/6, 7/8 MER ≥42dB RF frequency 30~960MHz, 1KHz step RF out 2*RF COFDM DVB-T out (2 carriers combined output); Double output bandwidth RF output level -30~ -10dbm (81~97 db V), 0.1dB step DVB-C Standard J.83A,J.83B,J.83C MER ≥42dB RF frequency 30~960MHz, 1KHz step RF output level -30~ -10dbm (77~97 db V), 0.1dB step Symbol rate 5.000~9.000Msps adjustable RF out 4*DVB-C(4carriers combined output) J.83A Constellation 16/32/64/128/256QAM bandwidth 8M J.83B Constellation 64QAM/256QAM bandwidth 6M J.83C Constellation 64QAM/256QAM bandwidth 6M ATSC Standard ATSC A/53 Constellation 8 VSB RF output level -26~ -10dbm (81~97 db V), 0.1dB step MER ≥42dB RF frequency 30~960MHz, 1KHz step RF out 4*ATSC(4carriers combined output) ISDB-T Standard ARIB-B31 Bandwidth 6M Constellation DQPSK,QPSK,16QAM,64QAM Guard Interval 1/32,1/16,1/8,1/4 Transmission Mode 2K,4K,8K MER ≥42dB RF frequency 30~960MHz, 1KHz step RF out 1*ISDB-T(Single carrier output) RF output level -30~ -10dbm (77~97 db V), 0.1dB step DTMB Standard GB20600-2006 FFT 1,3780,1 pilot MER ≥42dB FEC 0.4,0.6,0.8 Frame Mode 420,595,945,420var,945var Interleaving 240,720 RF frequency 30~960MHz, 1KHz step RF output level -16~ -36dbm (71~97 db V), 0.1dB step Constellation 4QAM-NR,4QAM,16QAM,32QAM,64QAM ● System Local interface LCD control buttons Remote management Web NMS output ASI out (BNC type); IP(MPTS/SPTS) out (RJ45,100M) NMS interface RJ45,100M Language English ● General Power supply AC 100V~240V Dimensions 420*400*44mm Weight 4.5 kgs Operation temperature 0~45℃