H.264 HD Encoder

Item No.: WK-3542L
WK-3542L Multi-Channel encoder is a professional HD audio & video encoding and multiplexing device. It has 8/12/16/20/24 HDMI video input interfaces, and supports MPEG-4 AVC/H.264 video encoding and MPEG 1 Layer 2 audio encoding. This device can simultane
  • WK-3542L Series HD Encoder Instruction ManualDownload
Key features
* 8/12× HDMI inputs with 8/12 SPTS and 1 MPTS output through Data 1 or Data 2
* 16 /20/24× HDMI inputs with 16 /20/24 SPTS or 1 MPTS output through Data 1 or Data 2
* MPEG4 AVC/H.264 video encoding format
* MPEG1 Layer II audio encoding format, and audio gain adjustment
* 1 ASI output (optional) as copy of MPTS
* IP output over UDP and RTP protocol
* Support QR code, LOGO, caption insertion
  (Language Supported: 中文, English, العربية, ไทย,, руская, اردو for more languages please consult us…)
* Support “Null PKT Filter” function
* Support PID Remapping/ PCR accurate adjusting
* Control via web management, and easy updates via web

Technical specification
Input 8/12/16/20/24 HDMI inputs
Video Resolution input 1920×1080_60P, 1920×1080_60i,
1920×1080_50P, 1920×1080_50i,
1280×720_60P, 1280×720_50P,
output 1920×1080_30P, 1920×1080_25P,
1280×720_30P, 1280×720_25P,
Encoding MPEG-4 AVC/H.264
Bit-rate 1~13Mbps each channel
Rate Control CBR/VBR
GOP Structure IP…P (P Frame adjustment, without B Frame )
Audio Encoding MPEG-1 Layer 2
Sampling rate 48KHz
Resolution 24-bit
Audio Gain 0-255 Adjustable
Bit-rate 64/128/192/224/256/320/384Kbps
Multiplexing Maximum PID
180 output pids per channel
Function PID remapping ( automatically or manually)
Accurate PCR adjusting
Stream output ASI output(optional) as copy of MPTS
IP output thru Data1 (GE) or Data2(FE) over UDP and RTP protocol
(8/12 HDMI inputs with 8/12 SPTS and 1MPTS output
16/20/24 HDMI inputs with 16/20/24 SPTS or 1MPTS output )
System function Network management(WEB)
Chinese and English language
Ethernet software upgrade
Miscellaneous Dimension(W×L×H) 482mm×410mm×44mm
Environment 0~45℃(work)-20~80℃Storage
Power requirements  AC 110V± 10%, 50/60Hz, AC 220 ± 10%, 50/60Hz
Technical Comparison
  WK-3214A/WK-3218A (HDMI) WK-3542L
Chipset Fujitsu Hisilicon
Video Channel 4/8×HDMI optional 8/12/16/20/24×HDMI optional
Video Bit Rate 0.8~19 Mbps each channel
(Bit rate is with a low fluctuation, suitable for cable system and satellite uplink)
1~13 Mbps each channel
(Bit rate is with a high fluctuation, suitable for cable system, not suitable for satellite uplink)
GOP IBBP GOP Size=25 (P Frame is adjustable, without B Frame)
Resolution Up to 1080P-60 Up to 1080P-60
(1080i/p-60/50 to 1080p-30/25 auto downscale convertion)
Audio Encode MPEG-1 Layer II; AC3 pass-through
(HE-AAC V2, LC- AAC Optional)
MPEG-1 Layer II
Audio Gain 0-400 Adjustable 0-255 Adjustable
ASI In & Mux Yes N/A
ASI output Yes Option as required
IP output SPTS and 1MPTS SPTS and 1MPTS (for 8/12 channel)
SPTS or 1MPTS (for 16/20/24 channel)

Order Information
  WK-3542L-8 WK-3542L-12 WK-3542L-16 WK-3542L-20 WK-3542L-24
8 HDMI Inputs with 8 SPTS and MPTS out            √        
12 HDMI Inputs with 12 SPTS and MPTS out               √      
16 HDMI Inputs with 16 SPTS or MPTS out                 √    
20 HDMI Inputs with 20 SPTS or MPTS out                   √