SD Encoder

Item No.: WK-3214B
WK-3214B multi-channel encoder is our newest professional SD audio & video encoding and multiplexing device with powerful functionality. It is equipped with 4/8/12 CVBS or SDI channels input supporting MPEG-2, MPEG4 AVC/H.264. It can multiplex the encoded
Key Features
        *  Modular design, 1U chassis support up to 3 modules
        *  4/8/12×CVBS or SDI video inputs with MPEG-2 and MPEG4 AVC/H.264 Video encoding
        *  Supports PAL and NTSC SD video formats (Only for CVBS interface)
        *  Support MPEG1 Layer 2, LC-AAC, HE-AAC and support audio gain adjustment
        *  Support IP output over UDP and RTP/RTSP
        *  support Null PKT Filter
        *  Support Logo, Caption, QR Code insertion
            (Language Supported: 中文, English, اردو, for more languages please consult us…)
        *  Control via web management, and easy updates via web
Principle Chart (per daughter module)

Technical Specification
Input 4/8/12 CVBS input , DB15-To-RCA interface ---OptionⅠ
4/8/12 SDI input, BNC interface ---OptionⅡ
Video Resolution Input Output
720*576 @50i 720*576/352*288/320*240/320*180/176*144
720*480 @60i 720*480/352*288/320*240/320*180/176*144
Encoding format MPEG-2, MPEG4 AVC/H.264
Bit-rate 0.5~5Mbps
Rate Control CBR/VBR
Aspect Ratio 4:3, 16:9
Audio Encoding format MPEG1 Layer 2, LC-AAC, HE-AAC
Sampling rate 48KHz
Bits per sample 32-bit
Audio Gain -20~+12 adjustable
Bit-rate 48Kbps~384Kbps (each channel)
Stream output IP (1*MPTS and 4*SPTS) output over UDP and RTP/RTSP (unicast/multicast) per module,100M/1000M self-adaption
System function Network management (WEB)
Chinese and English language
Ethernet software upgrade
Miscellaneous Dimension(W×L×H) 482mm×328mm×44mm
Environment 0~45℃(work)-20~80℃Storage
Power requirements  AC 110V± 10%, 50/60Hz, AC 220 ± 10%, 50/60Hz
Technical Comparison
  NDS3228A DX3214B-4/8/12
Chipset Magnum Magnum
Input interface 8× CVBS, BNC 4/8/12× CVBS Optional, RCA interface
4/8/12×SD-SDI , BNC interface
(Modular design with each module supporting 4 channels, one chassis supporting up to 3 modules)
8×SD-SDI input with embedded audio
Bitrate 0.25~15Mbps for H.264 encoding
0.5~15Mbps for MPEG-2 encoding
0.5~5Mbps for both H.264 and MPEG-2 encoding
ASI Output 2*ASI mirrored Output N/A
IP Output
  1. 8 SPTS or 1 MPTS output over UDP (unicast / multicast)
  2. 10/100Base-T Ethernet interface * 1
  3. one data port for all channels
  1. 4 SPTS and 1 MPTS output over UDP and RTP/RTSP for each module (unicast/multicast)
  2. 1000 Base-T Ethernet interface*1/2/3
  3. one data port for one module (4 channels)
OSD insertion N/A Support logo/caption/QR Code insertion
  1. Web-based NMS
  2. SNMP (Optional)
  3. Front panel with LCD+Key board
  1. Web-based NMS
Control Mode One NMS port for all channels One NMS port for each module (4 channels)