Report "I have a AV Nad T763, connected digitally to a DVD Player, through optical connection. The problem is when I play any upsampled 96KHZ disc or upper,it appears a jitter sound, similar as the one produced when cooking popcorns. Is it the DAC broken?? or maybe it does not support 96 KHZ??. Please help me with this. It´s very frustrating to spend a lot of money without desired results!!!"