via http://www.emucr.com/2011/08/pcsxr-x...lpha-v051.html

PCSXR-Xenon Alpha v0.5.1 is released. PCSXR-Xenon is a sony playstation 1 emulator using libxenon, based on lastest PCSX-Reloaded source code available.

PCSXR-Xenon Alpha v0.5.1 Changelog:
- missing sound over hdmi

Download: Here