Diamond Multimedia has announced its new high-performance line of sound cards, Xtreme Sound, incorporating Dolby 7.1 channel surround sound, 10-band equalizer, preset audio environments, headphone and speaker support for up to eight channels, plus a multi-track recording/editing studio, all for a price point starting at $29.95.Two sound cards will be offered under the Xtreme Sound 7.1 line, with the standard Xtreme Sound 7.1 retailing at $29.95 and the upgraded Xtreme Sound 7.1 DDL (Dolby Digital Live) with a suggested SRP of $59.95. A real-time encoding technology, Dolby Digital Live converts any audio signal into a Dolby Digital bitstream for transport and playback through a home theater system. DDL allows any PC or game console to be hooked up to a Dolby Digital-equipped audio/video receiver or digital speaker system via a single digital connection, eliminating the confusion of multiple cables and ensuring the integrity of the audio signal.Both the XS71 and the XS71DDL feature Audacity, a full-featured, multi-track recording/editing studio. Audacity lets users edit and mix an unlimited number of tracks, as well as remove static, hiss and other background noise. This utility also incorporates the use of multiple special effects , such Echo and Amplify. Also as part of the bundle, Diamond has partnered with eMusic to provide 100 free MP3 downloads with the purchase of each Diamond Xtreme sound card.