TV 3.0 Project

The analog TV (that we conventionally call “TV 1.0”), which started in Brazil in 1950, was black and white with monophonic sound.

Then, some backward-compatible improvements (that we conventionally call “TV 1.5”), such as color (in the 1970s), stereo sound and closed caption (in the 1980s) were added to it.

From 2007, the first generation of Digital Terrestrial Television (that we conventionally call “TV 2.0”) was introduced in Brazil, bringing high-definition video, surround sound, mobile reception, and interactivity.

Since then, the technological landscape changed a lot. Based on this technological landscape, the SBTVD Forum recognized the necessity to evolve the SBTVD. It also acknowledged that changing the physical layer, the transport layer, and/or audiovisual coding would not be backward-compatible. Nevertheless, the transition to a new generation of Digital Terrestrial Television is a long process, based on the investments required for both broadcasters and consumers and the expected life span of TV transmitters and receivers. It was, therefore, deemed necessary to increase the life span of the existing Digital Terrestrial Television system as much as possible through a backward-compatible evolution (a project we called “TV 2.5”) and to start the development of the next generation Digital Terrestrial Television system (the project we called “TV 3.0”).

The “TV 2.5” project comprised two aspects: broadcast-broadband integration and audiovisual quality. The first aspect involved the development of a new receiver profile for the middleware Ginga (receiver profile D, a.k.a. “DTV Play”), addressing use cases such as on-demand video, synchronized companion device, audiovisual enhancement over the Internet and targeted content. The second aspect was addressed through the introduction of three new optional immersive audio codecs (MPEG-H Audio, E-AC-3 JOC, and AC-4) while retaining MPEG-4 AAC main audio for backward-compatibility, and through the introduction of two new optional HDR video formats (SL-HDR1 dynamic metadata and HLG “preferred transfer characteristics” signaling) while keeping MPEG-4 AVC (H.264) / 8-bit / BT.709 / 1080i for backward-compatibility. The revision of the SBTVD standards containing both “TV 2.5” aspects has already been published (available at https://forumsbtvd.org.br/legislacao-e-normas-tecnicas/normas-tecnicas-da-tv-digital/english/).

For the “TV 3.0” project, the SBTVD Forum, after agreeing on its requirements (use cases and corresponding technical specifications), decided to release a Call for Proposals for any interested organization to submit its proposed candidate technologies for any of the system components or sub-components.

 

 

The deadline for Phase 1 responses expired on 30 November 2020. However, the SBTVD Forum decided to extend the deadline for submission of Phase 1 responses, exclusively for the Application Coding component, for which the new deadline is 26 March 2021.

 

Application Coding Phase 1 responses are due by 26 March 2021.

Application Coding Phase 1 responses shall be provided using the online form available at
https://forms.gle/6DUWE9bFVbHFou4n8

Phase 1 responses regarding other system components submitted after the 30 November 2020 deadline will not be accepted.
Please note that if the proponent is a for-profit organization, SBTVD Forum membership will be required for the submission of the proposal.

 


 

Questions related to the Call of Proposals should be directed to:

Luiz Fausto, Chair, Technical Module, SBTVD Forum: luiz.fausto@forumsbtvd.org.br

Doris Guardia, Secretary, SBTVD Forum: secretaria@forumsbtvd.org.br

Questions related to SBTVD Forum membership should be directed to:

Mauricio Kakassu, Superintendent, SBTVD Forum: superintendencia@forumsbtvd.org.br

Doris Guardia, Secretary, SBTVD Forum: secretaria@forumsbtvd.org.br

 


Due to the extension of the Application Coding Phase 1 deadline, the Phase 2 schedule was revised for all system components. The “TV 3.0 CfP Phase 2 / Testing and Evaluation” document provides further information and requirements for Phase 2, along with the test procedures for evaluating and comparing the proposals of candidate technologies and instructions on providing Phase 2 responses.

 

Please note that the current “TV 3.0 CfP Phase 2 / Testing and Evaluation” document version (14 December 2020) contains a revised Phase 2 schedule in Subsection 5.1, and includes the same three editorial corrections that were already present in the previous version (17 November 2020) compared to the first version (02 October 2020):

    1. In Subsection 4.2.2.1, the correct transmitting antenna gain is 8.9 dBd per polarization (instead of 5.9 dBd);
    2. In Subsection 4.4.3.2, Figures 39 and 40 were improperly replicated within the TC2.4 table; and
    3. In Subsection 4.7.1, Figure 45 was not properly reproduced in the PDF file.

 

The Phase 2 over-the-air physical layer field test will require the use of MIMO indoor antennas. The physical layer candidate technologies proponents shall provide antennas for the test, but the SBTVD Forum may use MIMO indoor antennas of other providers, as reference. The inclusion of additional antennas in the test is important to verify the reception performance using antennas with characteristics closer to what would be obtained in the end-user consumer electronics products. This information would also assist the determination of the minimum required field strength for indoor reception of the candidate technologies.

In this opportunity, the SBTVD Forum issues a Call for Prototypes of MIMO indoor antennas, for which commercial product implementations are still practically non-existent, as this innovative new technology has not yet begun to be used in Digital Terrestrial Television (DTT) transmission, except in research and development activities.

Due to the use of MIMO, the introduction of TV 3.0 will require the introduction of a new antenna at each DTT reception point, creating a great potential market for the new reception antennas.