Thomson announced last night that their Film Grain Technology for MPEG-4 has (finally) been approved for mandatory inclusion in HD DVD products. We say finally because they've been showing this off since 2004, and it was originally
not approved by the DVD Forum for mandatory inclusion back in February 2005.
No word on what has changed between then and now, or exactly when the Steering Committee met and approved it, but it's in there now (
See below). Currently this technology is only included for use with the h.264 codec, although they indicate it could be added to support other compression solutions, like VC-1 for example.They remove all trace of film grain before the movie is compressed, then the player recreates the effect during playback. Beyond just adding a different visual feel, they claim this will also enhance compression and lower necessary bitrates for high definition content further.
This AVS Forum thread provides much useful information on the effect of film grain and Thomson's technology.
Look, 1.9 seconds to change the channel is way, way too long people -- we all know that. Thankfully, the bright engineers at Thomson realize it too, and that's why they've cranked out some seriously awesome advances to their ViBE encoders. The new "fast zapping solutions" enable 50% faster high-definition channel changing, and the secret is in the fancy simultaneous compression that most users won't even notice. In essence, it allows the STB to "quickly decode and display a low resolution version of the channel and transition to displaying the full HD resolution version without disrupting viewing," and if all goes well, we could see this become the de facto way of channel surfing by 2009. Gnarly, dudes.
As the convergence race heats up, Microsoft is not sitting on the sidelines, as last week at the 
