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Saturday, July 20, 2024

Conformance Testing for ATSC 3.0 Receivers

Labwise the provider of digital TV conformance testing solutions has announced the availability of StreamWise-ATSC its latest digital TV test suites that enable testing of ATSC 3.0 (NEXTGEN TV) receivers and TV sets to ensure their conformance with ATSC 3.0 TV service features.

Labwise was acquired by Allegro DVT, the developer of video codec compliance streams, in June 2022. Labwise has been operating as an independent, impartial, and objective testing house since 2004, providing professional digital TV test suites and services to major TV OEMs, digital TV broadcasters and operators across Europe.

According to Anne Schelle, Managing Director of U.S. broadcast business organisation, Pearl TV, “ATSC 3.0 brings many new broadcast TV features through multiple advanced technologies to enhance the user viewing experience. The industry needs to ensure that devices are interoperable and properly implement the ATSC 3.0 features though trusted conformance testing. We welcome this announcement from Labwise, as an established and trusted player in digital TV testing which will further accelerate the adoption of NEXTGEN TV across the USA and other markets.”

Nouar Hamze, CEO of Allegro DVT added “StreamWise-ATSC is at the heart of our new strategy to extend our Digital TV testing products to cover ATSC 3.0. Labwise, the latest addition of Allegro DVT group of companies, has gained tremendous expertise and become a trusted and impartial test house in multiple markets across Europe. The entire ATSC 3.0 ecosystem including device manufacturers and broadcasters, will benefit from StreamWise-ATSC by having access to feature-rich, reliable and trusted test suites.”

StreamWise-ATSC by Labwise enables the testing of NEXTGEN TV broadcast service profile. These test suites allow device manufacturers to verify the compliance of products, or have devices tested as a service at Labwise laboratory to cover all the features and help tackle the technological complexity brought by the ATSC 3.0 standard.

The laboratory test environment is targeted for the device black box testing and is provided with optional HW environment for broadcast modulation. The test system includes the ATSC 3.0 test plan and the test case information i.e., test configuration, procedures, and specification references to make it easy for the tests engineer to perform the tests. The test streams are provided in playout formats (ROUTE/DASH and MMT).

More precisely these test suites cover multiple features such as:


  • Resolutions and Frame rates
  • Legacy SD Video
  • SDR
  • HFR
  • AFD
  • Metadata Messages

Subtitles and captions

  • Language, role, etc support
  • Formats, areas etc.


  • Formats and sampling rates
  • Immersive
  • Downscaling
  • Audio track selection
  • Receiver output – HDMI/ARC, SP/DIF, analog
  • Multilanguage
  • AD and other special tracks


  • Signalling
  • Discovery etc.

Advanced Emergency Alerting


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