UMH 252 Wellav Encoder

  • Description
    MPEG-4/H.264 SD/HD Encoder
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UMH 252 Wellav Encoder

UMH 252 is WellAV’s new generation of MPEG-4/H.264 SD/HD encoder. It supports HDMI, SD/HD SDI, YPbPr, CVBS, IP input and ASI and IP output. With improved algorithm and compression efficiency, it presents major improvements in picture quality, offering crisp and vibrant video at extremely low bit-rates. UMH 252 helps deliver more SD/HD video and audio channels in the available bandwidth, enabling the launch of additional HD services in an existing digital video or a IPTV network.



Compliant with MPEG-4/H.264-AVC standard

MPEG-1 Layer II audio encoding

SD video input format: PAL/NTSC

HD video input format: SMPTE-296/SMPTE-274

HDMI, SD/HD SDI, YPbPr and CVBS input 

Digital SPDIF audio input

Support multiplexing of MPEG-4 video and audio compressing data stream, supporting DVB packing

SI related table editing

Support SD or HD TS stream output selection

Two identical ASI outputs

IP input and output compliant with UDP/RTP protocol (optional)


Business Benefits

Enable operators to attract subscribers with premium HD channels

Optional SD or HD output for different applications

MPEG-4/H.264 SD output to improve bandwidth utilization

Easy operation via front panel and network management software

Data Sheet

UMH 252 Wellav Encoder

Inputs Outputs
Video: CVBS, HD SDI (BNC), YPbPr, HDMI Two identical ASI outputs (188 bytes)
Audio: SPDIF, RCA, SDI embedded audio TS/IP output (optional)
TS over IP input (optional) Bit Rate: 2.0 ~ 20 Mbps
Video encoding Audio encoding
Standard: MPEG-4/H.264 AVC HP@L4 Standard: MPEG-1 Layer II, Supporting stereo audio encoding
Definition: 1920 x 1080 x 59.94i/50; 1440 x 1080 x 59.94i/50i; 1280 x 720 x 59.94p/50p; 720 x 480 x 59.94i; 720 x 576 x 50i Sampling frequency: 48KHz
GOP configurable Channel Supporting: mono, stereo
Data rate control: CBR  
Control and Monitoring
Local: Remote:
Full front panel control Access via Ethernet (TCP/IP)
LCD, Control keys Network management software
Physical characteristics
Power: Dimension (HxWxD):
Input voltage: AC 90V-250V, 50/60 Hz Unit: 44mm x 484mm x 274mm
Power consumption: 30W Package: 210mm x 580mm x 570mm
Size: Weight:
Standard 1RU (19''rack) Net weight: 5kg

UMH 252 Wellav Encoder

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