http://www.electronista.com/articles...aunches.mp3hd/
The new format supports bitrates between about 500Kbps to 900Kbps. Thomson announced on Thursday the release of a newly developed, backwards-compatible, lossless MP3HD format. Thomson had a hand in developing the digital MP3 audio format, but unlike MP3, the MP3HD format is lossless, meaning none of the audio information is lost.