Comparison of high definition optical disc formats comparison of the formats. Blu-ray Disc and HD DVD both support the same three video compression standards: MPEG-2, VC-1 and AVC, each of which exhibits different bitrate/noise-ratio curves, visual impairments/artifacts, and encoder maturity. Initial Blu-ray Disc titles often used MPEG-2 video, which requires the highest average bitrate and thus the most space, to match the picture quality of the other two video codecs. As of July 2008 over 70% of Blu-ray Disc titles have been authored with the newer compression standards: AVC and VC-1. HD DVD titles have used VC-1 and AVC almost exclusively since the format's introduction. Warner Bros.,
Close (to the Edit) song "Beer Barrel Polka", as performed by The Andrews Sisters. The short spoken-word vocal and the "Hey!" sample - used in a number of songs most notably in "Firestarter" by The Prodigy and "Back in the Day" by Christina Aguilera (uncredited) - was the voice of Camilla Pilkington-Smyth. The single was released in the UK on what had become ZTT's customary array of formats: standard and picture disc 7" versios, five 12" singles (one a picture disc) and a cassette single, each featuring a number of unique mixes. The many remixes were given their own titles derived from the overall