I USE DSD DECODER RUNIING ON A UBUNTU COMPUTER, THE OUTPUT IS CONNECTED TO A IBM COMPATIBLE PC RUNNING XP PRO, THE PSR 800 IS CONNECTED TO THE WINXP FOR TXT TAGS WITH THE SCANNING SOFT WARE. WHATS COOL ABOUT THE PSR 800 IS THAT THE DISCRIMATOR PORT IS BUILT IN THE AUDIO PORT, WHICH SAVES TIME LOCATING IT . ANOTHER GOOD THINS ABOUT THE PSR800 IS THAT IT FOLLOWS EDACS TAlkGROUPS JUST LIKE THE EARLIER VERSIONS OF THE GRECOM PSR500, BUT I HAD TO PUT THE DISC TAP ON THE CASE FOR THE EXTRA PLUG PORT. I BEEN WORKING ON DSD DECODER SINCE 2006 AND I BEEN WITH THE DEVELOPMENT STAGES SINCE ITS CONCEPTION. ITS JUST A HOBBY OF MINE FINDING DIGITAL SIGNALS AND DECODING IT INTO VOCALS OUR EARS CAN HEAR. THE PSR 800 IS TDMA X2 READY FOR IN THE FUTURE THEY CONVERT. THANKS FOR LISTENING AND ENJOY THE AUDIO. TELL YOUR FRIENDS ABOUT THIS.