Well French dvb standard is requiring e-ac3, so not all standardizers got the memo... (And it's being used mostly in stereo) Fwiw, Dolby does bring something c

Well French dvb standard is requiring e-ac3, so not all standardizers got the memo... (And it's being used mostly in stereo) Fwiw, Dolby does bring something compared to PCM, which is metadata to dynamically change dynamic range on the final device, allowing higher ranges with perfect home cinema and smaller range when in a noisy environment