STB Design

STB design and software development for DVB, OTT & IPTV solutions

The Promwad Electronics Design House develops set-top boxes for hybrid, cable, terrestrial and satellite digital broadcasting. We help our customers to create new products for their business: STB devices and software for DVB, OTT and IPTV solutions.


We take responsibility for all the engineering issues of  STB development including industrial and electronics design, middleware and special apps. The result of our work is a ready-made device or application for the world or local market that can be used by millions of people.

Set-top boxes development at Promwad includes:

  • Hardware design for DVB-T, DVB-S/S2, DVB-C, IP + hybrid STB
  • STB prototyping based on the developer’s boards and development kits
  • Circuit and PCB design with components cost minimization (BOM optimization)
  • Embedded software (middleware) development
  • Third-party STB software integration
  • Conditioned access system support, CAS/CAM
  • Industrial design of enclosures, including mechanical design
  • Graphic user interface development
  • Optimization of the production process and mass production support
  • Technical support throughout the product lifecycle

Our engineers can also offer platform development. We create new devices based on ready-made hardware and software solutions, reducing our customer's expenses and time-to-market.

Why should you trust us?

Our first project was finished more than ten years ago, in 2008. We have helped a number of major European companies to transition their viewers from analogue to digital broadcasting. Since then, we have successfully created dozens of new devices and applications and become the leaders in STB development. So, the first reason to trust us is our experience and good references.


In just 4 months after the start of development, a working prototype was ready, and after 10 months we reached production volumes of tens of thousands of products. Today, our IPTV set-top box is available for sale and competes on an equal footing with Aminet and Motorola.

Technical director at SmartLabs
Igor Rumyantsev

The second reason is our partners. To become the first, you need to work with the best! And we’ve done it partnering with top chip vendors, so that’s how we get the optimal electronic components for your set-top boxes and receive priority tech support.


Our partners

Promwad has formed a professional team – the DTV / STB competence center – with more than 20 engineers specializing in set-top boxes design and embedded software development.

Today we create modern, professional and high-quality products with unique design and powerful software. Last year, the total amount of the produced devices created at Promwad exceeded 3 million, most of which were STBs. So if you are looking for a simple solution based on expertise and backed by experience, we are ready to help you!

To back our words with facts, let us demonstrate you our portfolio.



DTV technologies

  • DVB-T/T2/C/S/S2
  • ATSC (1.0–3.0), ARIB
  • IPTV / OTT
  • TR-069/135/181
  • Multicast
  • HLS
  • EPG
  • Teletext
  • PVR
  • Timeshift
  • HbbTV
  • OIPF
  • Webkit
  • Blink
  • CEA-2014
  • Blu-ray, 8K

Software Platforms

  • Linux kernel 2.6*–5*
  • Android 4–9, Q
  • HiSilicon Linux /
    Android SDK
  • AMLogic Android SDK
  • Broadcom Nexus SDK
  • MStar Linux SDK
  • Realtek Android SDK
  • U-Boot bootloader
  • Qt
  • Webkit, Blink
  • D-Bus
  • DirectFB
  • FFmpeg
  • Gstreamer
  • OPIF
  • Opera TV SDK

DTV codecs

  • MPEG-2
  • H.264
  • 4K HEVC (H.265)
  • LPCM
  • ACS
  • AAC
  • HE-AAC
  • DTS + VVC
  • XVC
  • AV1
  • MIPI
  • Camera Link

DTV interfaces

  • I2C
  • SPI
  • RS-232/UART
  • DMA
  • Ethernet, WiFi, 3G
  • Analog Stereo audio
  • Digital S/PDIF
  • HDMI IN with HDCP
  • CI, CI+


  • NAGRA Conas Contego
  • Verimatrix Ultra
  • Microsoft PlayReady

Multimedia interfaces

  • Ethernet
  • Bluetooth
  • WiFi
  • USB
  • MMC

Our case-studies in digital TV

MPEG2/4 transcoder softwareWe finalized the firmware design for multi-channel transcoding of MPEG2-TS (transport streams) into H264 format

IPTV+T/C hybrid set-top box We created a reference design of a set-top box with rapid platform development and launch of a series of new digital devices

Locus DVB-T STBWe have developed a digital TV set-top box (STB) with support for DVB-T (MPEG-2/4) and terrestrial digital broadcasting

IPTV STB with DVB-T/S/S2We have designed a digital IPTV STB with DVB-T and DVB-S/S2 support, based on the SMP8654 processor by SigmaDesigns

Do you need a quote for your engineering project for the DTV & broadcasting industry?

Drop us a line about your project! We will contact you today or the next business day. All submitted information will be kept confidential.