One of the special abilities of ATI's R600 GPU family is the integrated 5.1 surround sound audio support through HDMI. Many Radeon HD 2000 and HD 3800 series graphics cards also ship with a DVI to HDMI dongle, so that one can experience the full video playback capabilities of these discrete graphics cards. But what level of HDMI support can Linux users expect when using these latest ATI graphics cards? We have done some testing internally and have the initial ATI Linux HDMI video and audio results to report in this article.

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