It is also capable of streaming audio and video files. Support for other audio and video codecs is optional. Users may transmit text, video, audio and images. Levine made many audio and video recordings. NDI carries video, multichannel uncompressed audio and metadata. DASH is audio/video codec agnostic. It provides for the transmission of both audio and video. A UPnP media renderer performs the actual audio or video rendering. Support for encrypted audio or video is not planned. HTML 5 includes provisions for audio and video without plugins. It is available as a BBC audiobook in CD and audio cassette formats. PCM is the method of encoding typically used for uncompressed digital audio. A number of lossless audio compression formats exist. The service specializes in lossless audio and high definition music videos. The service specialises in lossless audio and high definition music videos.