How to play HD Audio over HDMI?

PowerDVD offers superb audio quality to give you cinema sound quality at home. PowerDVD has advanced control features so you can customize your sound to your home environment and desired output. For example, you can define your environment as noisy or quiet, pick between living room, theater, or stadium, and define your desired sound as movie, music, or even onstage music. Or you can avoid choices and have the program use default settings. You may also manually alter the speakers' Surround-Sound settings using DS3D Virtual Speaker Settings software (included). And you can easily play CDs and MP3 audio files with the sensation of Surround-Sound. http://www.powerdvd.com-http.com/can-powerdvd-play-hd-audio-over-hdmi.html