IP Decoder with Mosaic Viewer
The BLANKOM HDD-264 is a Full HD H.264 IP decoder for IPTV, OTT and video-over-IP applications. It receives compatible unicast and multicast streams and provides HDMI, VGA and CVBS outputs in parallel.
At a glance
Key data, as supplied by engineering- HDMI, CVBS, VGA video outputs, HDMI embedded audio & External Analog audio outputs, 1GbE, RJ-45 data interface
- Very stable IPTV stream decoder for 24/7 professional use.
- Access and control of all functions over LAN.
- Mosaic function.
- Text and logo insertion.
Overview
Product description
The BLANKOM HDD-264 is a Full HD H.264 IP decoder for IPTV, OTT and video-over-IP applications. It receives compatible unicast and multicast streams and provides HDMI, VGA and CVBS outputs in parallel. Display one programme at up to 1080p60 or monitor up to four streams in a mosaic layout. Configuration and firmware upgrades are managed through the built-in web interface.
HD IP Video Decoder with HDMI, CVBS (PAL, NTSC), VGA Output & Mosaic-Viewer
IP Decoder (IPTV Receiver, IPTV Decoder) for IPTV-on-LAN systems, for OTT, and for video-over-IP applications. Up to 1080p@60fps UHD resolution. Incredibly reliable operation on local area networks with both unicast and multicast distribution. HDMI, CVBS (PAL, NTSC Composite), and VGA outputs. Remote management by an in-built web server interface.
Mosaic viewer. Monitoring up to four streams on a single television screen (4x mosaic).
All BLANKOM decoders offer excellent image quality and stable system operation at an affordable price. They have been designed to work reliably with every BLANKOM encoder.
Features & capabilities
Features
BLANKOM HDD-264 Decoder is designed for TV signal reception in excellent quality over LAN and WAN.
The H.264-compatible compression technology features low latency and low bit rates for IPTV system reception. The highly efficient decoding chip saves bandwidth cost through all its resolution range.
Reception of SD and HD channels through the IPTV/OTT network using state-of-the-art IP technology from almost any kind of video input.
Up to 4 streams on one TV output as a mosaic picture can be displayed.
Excellent video and audio quality. High reliability. Web-Interface. No regular service and maintenance are needed during operation.
- H.264 Decoder & IP Receiver
- Linux embedded system that is reliable and suitable for 24/7 operation
- Input:
IP streaming, H.264 (actually no MPEG2 support) - Outputs:
HDMI, CVBS, and VGA in parallel
Audio Output (3.5 mm Stereo) for stereo audio embedded decoding of AAC and MP1L2 - Stereo audio embedded decoding of AAC and MP1L2, external audio output (3.5 mm stereo)
- HD Resolution 1080p, 720p (actually no interlaced support like 720i, 1080i)
- HTTP, HLS, FLV, RTSP, RTMP/RTMPS and UDP/RTP; unicast and multicast reception. Protocol availability depends on the installed firmware.
- Reception of compatible H.264 HD and SD video streams from IP cameras, encoders and other network sources over LAN or WAN.
- Monitoring of up to 4 streams on one TV picture (4x Mosaic) selectable by Web-IF
- Max. simultaneous video decoding capacity on a mosaic screen:
1 channel 1080p@60 bit rate can be up to 32 Mbps or
2 channels 1080p@60 fps 10 Mbps max. for each stream or
3 channels 1080p@50 fps 10 Mbps max. for each stream or
4 channels 1080p@30 fps 20 Mbps max. for each stream - Inserting text, logos, and scrolling text as overlays
- Video-over-IP applications (signal distribution)
- Digital signage applications
- Video conferencing, camera streaming
- IPTV on LAN applications, corporate IPTV for broadcasters
- Remote management by an in-built web server interface
- Suitable for 24/7 operation
Front and rear panels
Screen Mosaic View
Example output of 4 different encoded streams with text overlays inserted by the encoders & the decoder
System & application diagrams
Typical deploymentApplication Diagram
Application examples
Application Examples
BLANKOM HDD-264 – Professional Application Examples
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Corporate IPTV End-Point Decoding: Ingesting corporate television bouquets, internal live training broadcasts, or CEO executive addresses from the central headend encoder via UDP Multicast or HLS protocols, and decoding them directly to standard displays inside corporate headquarters, breakrooms, and branch offices.
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Public Internet Remote Broadcast Contribution (SRT Peer): Functioning as a low-latency remote receiver terminal at a regional studio or master control room. It receives live broadcast video feeds transmitted directly from field cameras or remote OB vans over the public internet using the SRT (Secure Reliable Transport) protocol with full hardware-based AES decryption.
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Enterprise Digital Signage Termination: Acting as a highly reliable, continuous 24/7 endpoint decoder placed discreetly behind large display panels in shopping malls, transit hubs, and airports. The unit continuously streams high-definition marketing loops or scheduling feeds over HTTP/HLS without relying on a local PC platform.
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Hospitality IPTV Guestroom Network Integration: Serving as a compact edge decoder within boutique hotels, cruise ships, or stadium luxury suites. It decodes central IP headend streams into crystal-clear 1080p Full HD HDMI outputs for integration into hospitality display networks or localized coaxial distribution grids.
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IP Camera & CCTV Monitoring Wall Integration: Ingesting and decoding standard live IP camera or NVR feeds directly over the network via RTSP or UDP protocols. This allows security personnel to display high-definition real-time surveillance video onto traditional monitoring arrays or large matrix screens without dedicated security consoles.
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Legacy Analog System Bridging (HDMI to CVBS Conversion): Utilizing the simultaneous CVBS (Analog Composite Video) and stereo RCA outputs to route modern H.264 IP streams into legacy infrastructure. This is ideal for feeding older analog RF modulators, legacy matrix switchers, or older CRT monitors still operating in industrial environments or marine vessels.
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Live Event Webcast & Social Media Feed Monitoring: Positioned in media production trucks or staging fields to capture, decode, and audit live outgoing webcasts directly from public platforms or content delivery networks (CDNs) over RTMP, RTMPS, or HLS protocols, serving as a dedicated visual confidence monitor for production crews.
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Educational & Higher-Education Distance Learning Networks: Deployed inside high-school auditoriums, lecture halls, or remote campus classrooms to decode real-time, low-latency educational lectures and streaming video payloads originated from the primary university media hub.
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Command & Control Center Visual Node: Serving as a robust, low-thermal visual endpoint node within military, municipal, or utility command centers to render specialized network video maps, real-time drone contribution streams, or telemetry visuals directly onto operational control grids.
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Medical Imaging & Operating Room Remote Overviews: Integrating into hospital IT infrastructures to capture high-definition uncompressed medical imaging data or training video from surgical cameras operating within sterile fields, and decoding the video streams to conference rooms for medical students or consulting physicians.
Technical specifications
Specifications are subject to change without prior noticeTechnical Specifications
Function: H.264 (MPEG4 compatible) Decoder and 4 Pictures Mosaic-Viewer
INPUT
- GbE input, RJ45
- Input Resolution: 1080p, 720p and below (interlaced input like 1080i, 720i not supported)
- Protocol: HTTP / HLS / FLV / RTSP / RTMP(s) / UDP / RTP (Unicast/Multicast)
- Data rates: 100 kbps – 32 Mbps per stream
OUTPUT
- Output Resolution HDMI: 1080P@60 / 1080i@60 / 1080P@50 / 1080i@50 / 1080P30 / 1080P25 / 720P60 / 720P50 / 576P50 / 480P60 fps
- Output Resolution VGA: 1080P@60 / 1080i@60 / 1080P@50 / 1080i@50 / 1080P30 / 1080P25 / 720P60 / 720P50 / 576P50 / 480P60 fps
- Output Resolution CVBS: PAL 720×576 & NTSC 720×480
- AUDIO: HDMI embedded audio (additional 3.5 mm stereo jack out)
- Maximum decoding data rate @ HDMI: Single-stream decoding: up to 1080p60 at 32 Mbps
- Up to 4 input streams for mosaic picture:
- 1-1080p@60fps bit rate can be up to 32 Mbps
- 2-1080p@60fps@10 Mbps max. for each stream
- 3-1080p@50fps@10 Mbps max. for each stream
- 4-1080p@30fps@20 Mbps max. for each stream
SYSTEM
- Video Decoder: H.264/AVC decoding up to 1080p60; JPEG/MJPEG support
- CBR or VBR baseline/main/high profile
- Audio Decoder: Stereo AAC, AAC+, AAC++, MP3, MP2 and G.711 A/U
- Audio sample rates 8000/11250/22500/44100/48000Hz
- OSD 4 Logo (bmp’s with or without transparent color) and text insertion as transparent overlays
- Picture adjust brightness, hue, saturation, contrast, picture crop, rotating 0, 90, 180,270°
- Profiles: H.264/AVC High, Main and Baseline profiles, Level 4.2
- Audio output: HDMI embedded audio (additional 3.5 mm stereo jack out)
- Data Interface/Ethernet: 1 × RJ45 Gigabit Ethernet; streaming and web management
- Firmware upgrade support by Web IF
GENERAL
- Relative Humidity: 5% to 90% non-condensing
- Storage temperature: -20° to 80 °C
- Operating temperature: -10° to 70 °C
- Power supply: 12V DC, 1A
- Dimensions: 155 × 120 × 30 mm
- Weight 266 g / incl. Package and PSU: 0.7 kg
- Consumption 5-10W
Specifications are subject to change without prior notice.
Engineering questions
10 questions answered by the people who commission these unitsFAQ (Frequently Asked Questions)
What is the primary operational function of the BLANKOM HDD-264 HD IP Decoder?
The BLANKOM HDD-264 is a professional hardware decoding unit designed for IPTV networks, digital signage termination points, and commercial AV distribution networks. It is engineered to ingest digital IP transport streams from network distribution links and decode them in real time into standard high-definition uncompressed baseband video signals for local display rendering or analog matrix distribution.
Which physical video and audio output interfaces are provided on the HDD-264 chassis?
To ensure seamless integration with a wide variety of commercial monitors, legacy display arrays, and professional matrix switchers, the hardware egress tier is equipped with versatile physical outputs. It natively features a high-definition HDMI output alongside standard CVBS (Analog Composite Video) and stereo analog audio outputs, providing both digital and legacy analog connectivity.
Which video compression codecs and syntax profiles can be processed by the hardware core?
The advanced hardware core features highly efficient processing pipelines optimized for standard high-definition video architectures. It natively supports H.264 (MPEG-4 AVC) video compression decoding profiles, ensuring complete compatibility with the vast majority of mainstream IP streaming encoders, camera backhauls, and corporate headend streams.
What are the maximum video resolution and frame rate capabilities handled by this decoder?
The internal hardware encoding-decoding pathways are optimized to deliver full high-definition video compliance. It supports a maximum decoding output resolution of 1080p Full HD at up to 60 frames per second (1080p@60fps), ensuring clean video rendering, exceptional text legibility for digital signage, and fluid movement for continuous broadcast monitoring.
Which IP transport and live streaming protocols are supported on the ingestion stage?
Adhering strictly to professional B2B network specifications, the network interface handles a versatile array of streaming protocols. It natively manages stream acquisition over SRT (Secure Reliable Transport), HTTP, RTSP, RTMP, RTMPS, HLS, UDP, and RTP encapsulation configurations, functioning reliably across local enterprise networks or secure public internet links.
How does the HDD-264 decoder utilize the SRT protocol for public network delivery?
When capturing live video streams transmitted from remote fields or distant production sites over unpredictable public networks, the decoder leverages its integrated SRT protocol layer. SRT applies intelligent ARQ packet recovery mechanisms to eliminate internet network jitter and packet loss, while supporting industry-standard AES decryption to protect secure incoming payloads.
Can the HDD-264 parse and decode high-definition digital audio streams?
Yes. The audio processing stage extracts and decodes digital audio payloads embedded inside the transport streams. It natively processes standard digital broadcast audio formats—predominantly AAC, AAC+, AAC++, and MP3 configurations—giving operators precise control over volume gain adjustments and localized stereo analog downmixing.
Does this HD decoder perform automated stream reconnection in case of network dropouts?
Yes, the internal firmware includes broadcast-grade stream survival mechanisms. In the event of a temporary network link failure or packet disruption from the headend, the decoder automatically executes intelligent loop retries to re-establish the stream handshake instantly once network integrity is restored, minimizing display downtime.
How is remote system configuration and real-time operational status monitoring managed?
The HDD-264 is configured through its built-in web interface over Ethernet. Users can manage stream reception, output settings, mosaic layouts and firmware upgrades from a compatible web browser. Streaming and management use the same RJ45 network interface.
What physical form factor and power infrastructure are utilized by the HDD-264?
The HDD-264 is housed in a highly compact, space-conscious, and robust metal enclosure, making it ideal for direct mounting behind display panels, inside field flypack kits, or on high-density rack shelves. The unit operates with maximum energy efficiency, relying on a highly reliable single power supply framework engineered for steady, low-thermal 24/7/365 continuous operations.
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