<P> Vudu is currently one of only two U.S. streaming providers to be compatible with both UltraViolet and Movies Anywhere, the successor to DMA . </P> <P> Movies are encoded in MPEG - 4 video and Dolby Digital Plus audio . Vudu offers movies in three formats: standard - definition (480p and 480i), high - definition (1080p and 1080i) and ultra high - definition (2160p) or commonly known as UHD or 4k . Standard - definition movies are up - scaled to higher 1080i / p resolution and high - definition movies can be output at 1080p24 . Audio is sourced in Dolby Digital Plus and output in Dolby Digital 5.1, with the option of stereo output . Audio is limited to stereo playback on HTPC / PC / Mac platforms . Users are able to adjust video to display in stretched, boxed, or zoomed format as well as adjusting overscan settings depending on their television format . </P> <P> As of January 2015, there were over 18,000 movies in the Vudu catalog, and 5,000 television shows . Titles range from major motion pictures, independent films, documentaries, children's programming, anime, musicals, recorded musical performances, cartoons and television series . Over 13,000 of these titles are available in high - definition, the largest for any service of its kind . Vudu has established content licensing contracts with all major movie studios as well as over 50 smaller and independent studios . Movies are available to rent in standard - definition, high - definition, and HDX format . A rented title can be stored on the Vudu Box for 30 days before being watched . Once a user begins watching a rented title they have 24 hours to finish . After this 24 - hour period, rentals can be extended for a discounted price . The majority of movies and television shows are available for purchase in standard - definition format only . This policy is consistent with studio standards and other digital retailers concerning digital purchases . Movies from FirstLook Studios, Kino, and Magnolia Pictures are available to purchase in high - definition format . On February 25, 2010, to comply with the policies of its parent corporation, Vudu discontinued operating the AVN After Dark channel which provided users with adult movies . </P> <P> Vudu is capable of downloading and playing movies in HDX format, a format created by Vudu which encodes titles in 1080p HD at 24 frames - per - second . This technology is similar to a movie on a Blu - ray Disc . However, Blu - ray Discs will have better video and audio quality because of their higher bitrates . Vudu utilizes the H. 264 (MPEG - 4 Part 10) encoding process along with proprietary encoding techniques dubbed TruFilm . TruFilm is composed of four main technologies designed to maximize the H. 264 encoding standard: </P>

How long do you rent vudu movies for
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