ogurpegui
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Abajo os pongo una reseña que he encontrado de alguien que sí sabe:
http://www.dvdtimes.co.uk/content.php?contentid=63698
Os he extraido un apartado interesante que habla de los 24fps y de no usar overscan en cuyo caso no hay efecto jagged que en castellano es dientes de sierra , asi como cloud son nubes etc.
Vamos que viene a decir que desde un BR o HDDVD a 1080p sin overscan (remuestreo de resolucion) y en modo 1:1 mapping, vamos que en resolucion nativa sin procesado no hay efecto de dietes de sierra en escenas de movimiento.
Esta es una caracteristica de este modelo en no remuestrear la señal para mostrar resoluciones nativas. No se si otras marcas dan esta posibilidad, o simplemente lo llaman 24fps mode o algo similar.
Although HD DVD movies are, like Blu-ray ones, in 1080p format, the first American players (review) output this as a 1080i signal. What a lot of people don't know is that for Films, 1080i should be identical in quality to 1080p. Why? Because the frame rate of a film is 24 frames per second, which fits comfortably into the 1080i video signal using a technique called 3-2 Pulldown, which I won't go into here (Google it if you're interested in the technicalities). All you need to know is that all film content that's been transferred to 60hz video (that means American/Japanese DVDs, and all HD DVD and Blu-ray discs worldwide) is encoded using this 3-2 Pulldown pattern, which the best video processors should be able to lock onto and reverse, so that none of the quality is lost and clear, jaggy-free film frames can be shown on the screen. Unfortunately, this doesn't always seem to be the case on the 40W. The high resolution nature of 1080i pictures can make it at times difficult to tell, but the 40W would at times lose track of the pattern and begin showing very slight jaggedness on moving objects. This will be remedied by connecting a 1080p HD DVD (or Blu-ray, if you prefer) player to the TV, but as these are a little more expensive, it's a pity that the TV doesn't always manage this as successfully as it could. 1080i Films still look great, though, make no mistake.
One of the discs that stunned me the most was Tim Burton's Corpse Bride. It's one of the best looking titles on the format (shame the film was so average), and was shot digitally in 1080p. Although I have absolutely no gripes with a nice, grainy, filmic image, the pleasing look of all-digital films in HD is something I can't deny. After turning on Full Pixel (no overscan) mode, I sat back and admired the jaw-dropping quality. There's a sequence in the film where the main character first arrives in the Land of the Dead, which is full of neon green, purple and orange colours. The Full HD resolution of the panel, the quality of the video transfer using the VC1 codec (which has become the de facto standard for HD DVD discs), 1:1 mapping and lack of overscan, as well as the WCG-CCFL backlight, all add up to make this scene look utterly amazing on the 40W.