AOL Video - Comprehensive search engine for audio, video, and MP3.
Blinkx - Search for video and audio clips, using standard keyword and Boolean queries, or conceptual search. Smart Folders will store media clips on your computer and scan the web automatically for similar ones.
FindSounds - Search for sample sounds and sound effects at this file search engine. Offers directory, keyword and sonic similarity search functions.
RadioScout - Search engine for public radio content.
