The layering reminds me a bit of opus 1.6 which similarly maintains backwards compatibility while laying in better audio for newer decoders, (and as a scalable

The layering reminds me a bit of opus 1.6 which similarly maintains backwards compatibility while laying in better audio for newer decoders, (and as a scalable decoding for those who don't want to use as much decode compute). https://opus-codec.org/demo/opus-1.6/ https://opus-codec.org/demo/opus-1.6/ https://news.ycombinator.com/item?id=46284313 https://news.ycombinator.com/item?id=46284313