software for improving delivery and playback of video, audio and other multimedia content over computer networks; DVD players; AV players, namely electronic devices that play audio and/or video content; audio nodes, namely electronic devices that play audio content from a network connection; audio speakers; DVD recorders; digital media adapters; networked attached storage devices; personal video recorders; set-top boxes; cable boxes; radios; clock radios; media servers; personal computers; ne...