Autodesk 64006-051108-9001 User Guide - Page 275

267 Pulldown - introducing a pulldown is the process that compensates for the differences in frame rates between film and video by creating new frames. For 24-fps film to be converted to 29.97-fps NTSC video, a 3:2 pulldown is used, which creates approximately six extra frames per second. PureVoice codec - see Qualcomm PureVoice codec. QDesign Music Codec - QuickTime low-bandwidth audio codec. Qualcomm PureVoice codec - QuickTime low-bandwidth audio codec optimized for voiceonly material. QuickTime - Apple Computer's cross-platform multimedia architecture. Widely used for a range of applications including CD-ROM, Web video, editing and more. QuickTime Music - track that is very similar to MIDI. Enables music to be stored as instructions rather than digitized sounds and then played back with defined instruments within QuickTime. QuickTime Music tracks are much smaller than digitized versions of the same music. Often referred to as MIDI even though it technically isn't. QuickTime Streaming - Apple's streaming media addition to the QuickTime architecture. RAM File - Real 10 metafile that is placed on an HTTP server and gives RealPlayer the location of the Real 10 file on the RealServer. RealAudio - RealNetworks' initial online audio format. Replaced by Real 10. RealSystem - RealNetworks' streaming media architecture. Realtime - any process that is done in actual time. For example, a 20-second movie that takes 20 seconds to encode.