The RightMark Audio Analyzer suite is designed for testing quality of analog and digital paths of any audio devices, be it a sound card, an MP3 player, a consumer CD/DVD player or an acoustic set. The results are obtained by playing and recording test signals passed through the tested audio path by means of frequency analysis algorithms. The latest version of RightMark Audio Analyzer can be found here.
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Both the ASUS P8P67 and the P8P67 Deluxe have an overall audio rating of good when analyzed by Rightmark Audio Analyzer. The stereo crosstalk performance of the ASUS P8P67 Deluxe was slightly higher than the ASUS P8P67 performance was.