CATV Digital Equipment 8 channel RF 4 channel 4 in 1 modulator DVBT Digital Encoder Modulator

Overview DMB-9581EC Series Multi-Channel H.264 HD Encoder Modulator features high performance, ultra-low latency and low bit rates for DTV systems, and adopts state-of-the-art compression technology (H.264/ AVC) to achieve compression efficiency of the former MPEG-2 standard by over two times, as well as excellent resolution. DMB-9581EC Encoder Modulator is the preferred device for content source encoding of DTV broadcasting system to address the ever-increasing demand for more premium viewing experiences. It is a cost-effective device newly developed by our company that integrates The device supports 4/8 HDMI input, 1 Gigabit IP input/output; supports 4 single carrier (ATSC, ISDBT, DTMBT, DVB-C/-T) output and MPTS output and SPTS output. Support OSD function, can insert subtitles, station logo, QR code, etc. Features high integration, high performance and low cost It has the characteristics of high integration, high performance and low cost. A single device integrates a set of front-end system functions, which is very suitable for digital TV transmission systems such as hotels, clubs, hospitals, and baths. Features * Advanced video compression: 264/AVC * Input interface: 4/8 channel HDMI input * The GigE Data Port in front panel support 128*IP SPTSinput,1*MPTS & 127*SPTS UDP/RTP IP output * Different carrier modulation (ATSC, ISDBT, DMBT, DVB-C/-T) output options * Multi-pass look ahead CBR encoding * Support OSD function * Support multiplexing with external 2*ASI in, 2*ASI output for option(Extra cost) * LED Screen option(Extra cost) . * Equipped with empty packets filtering of IP out * Support Web management and online upgrade Specifications VIDEO SPECIFICATIONS Video compression: H.264/AVCVideo inputs: 4/8 *HDMIThe Input Resolution: 1920x1080P, 1920x1080i, 1280x720P, 720x576i, 720x480iThe Output Resolution: 1920×1080@30P, 1920×1080@25P, 1280×720@30P, 720×576@25P,720x480@25PEncoding: MPEG-4 AVC/H.264Bit-rate : 1Mbps~13MbpsRate Control : CBR AUDIO SPECIFICATIONS Encoding: MPEG-1 Layer 2/AACBit-rate: 64kbps, 128Kbps, 192kbps, 224kbps, 256kbps, 320kbps, 384kbpsSampling rate: 44.1Khz, 48KHz INPUTS AND OUTPUTS IP I/O RJ45 Port 1000M GbE PortInput: 128* UDP/RTP IP SPTS/MPTSOutput: 1*MPTS & 127*SPTS UDP/RTP MODULATION (4*RF out switchable from UI) All Connector: 1 Port, F-Type, 75ΩOutput Return Loss: 14 dBMER ≥40dBRF output level: -20 ~ 0dbm, 0.1db stepNumbers of RF Channel: 4Modulation Mode: DVB-C, DVB-T, ATSC, ISDB-T, DTMB option DVB-T Modulation Channel: DVB-T adjacent frequenciesModulation standard: EN300744Frequency range:50-960Mhz,1Khz one stepModulation standard: EN300744Bandwidth: 6M, 7M, 8M FFT mode: 2K, 8KConstellation:QPSK,16QAM,64QAMGuard Interval 1/4, 1/8, 1/16, 1/32FEC 1/2, 2/3, 3/4, 5/6, 7/8TS bit rate < 31 Mbit/s ATSC-T Modulation Channel: 8VSB adjacent frequenciesConstellation: 8VSBFrequency range:50-960Mhz,1Khz one stepConstellation: 8VSBTS bit rate <19 Mbit/sMER≧40 dB ISDB-T Modulation Channel: ISDB-T frequency Frequency range: 50-960Mhz,1Khz one stepConstellation: DQPSK, QPSK, 16QAM, 64QAMGuard Interval:1/32, 1/16, 1/8, 1/4Transmission Mode:2K,4K,8KCode rate:1/2, 3/4, 5/6, 7/8Bandwidth:6MHzTS bit rate＜21 Mbit/sMER≥40 dB DTMB Standard GB20600-2006 Constellation: 4QAM, 16QAM, 32QAM, 64QAMCode rate: 0.4, 0.6, 0.8Guard Interval: 420, 595, 945 IONS DVB-C Modulation Channel: DVB-C adjacent frequenciesFrequency range:50-960Mhz,1Khz one stepMER≥40 dBsymbol rate:5~7MbaudDVB-C standard DVB-C (J83.A, J83.B, J83.C) Carrier Annex A Annex B Annex C Constellation (QAM) 16, 32, 64, 128, 256 64 256 64,256 Bandwidth (MHz) 8 6 6 6 Symbol Rate ( Mbaud) 5-7 5.057 5.361 4.2-5.3 Application & Diagram