Autodesk 64006-051108-9001 User Guide - Page 257

249 Adaptive Deinterlace - de-interlacing option that analyzes the video and selectively deinterlaces only the parts of the image that are moving while leaving static portions unaltered. Adaptive Noise Reduction Filter - an "Intelligent" noise filtering system that analyzes each pixel and reduces the fine detail and noise of an image. This maintains edge detail without blurring the image and improves compression. ADSL (Asymmetric Digital Subscriber Line) - high-speed Internet connection technology that uses existing telephone lines. AIFF - Audio Interchange File Format (or AIFF) is a file format for storing digital audio (waveform) data. It supports a variety of bit resolutions, sample rates, and channels of audio. The format was developed by Apple Computer and is the standard format for audio CD production. Alpha Channel - additional image channel that is often used to store transparency or compositing information. Alpha channels are often 8-bit, but some applications support 16-bit alpha channels. Only certain formats, such as PICT and the QuickTime Animation codec, support alpha channels. Alternate Movies - QuickTime option that enables you to create multiple versions of a movie and set criteria for when the QuickTime Plug-in should display the various versions. Analog-to-Digital Converter (A/D) - a chip that converts analog video signals to digital signals. Analog-to-digital converters are used on capture cards to change the video into a format that the computer can better manipulate and store. Architecture - see Multimedia Architecture. ASF (Advanced Streaming Format) - the general file format for older versions of Windows Media. Replaced by Windows Media Video.