SBTVD
Sistema Brasileiro de Televisão Digital ( SBTVD ; German Brazilian system for digital television ), also called ISDB-Tb , is an ISDB- based standard for digital television . It was launched on December 2, 2007.
The difference to ISDB lies in the use of MPEG-4 as the compression method, compared to MPEG-2 with ISDB. ISDB terminals are hardware identical to SBTVD terminals; they only differ in the software .
Improvements
MPEG-H Audio , HLG and SL-HDR1 were added to ISDB-Tb in 2019.
future
A new terrestrial version should be proposed in 2020 and approved in 2021.
This should be able to support 4K, 8K, HDR, HFR and immersive audio.