Donald Trump perked up when he heard his own voice played aloud in court. “That was the voice we heard first,” said legal analyst Terri Austin during an appearance on CNN’s “Out Front.” “We were all surprised. I thought we were gonna hear [Michael] Cohen or [Keith] Davidson or someone else — but we heard Trump and I think everybody looked up including Donald Trump because he heard his own voice.” The startling moment came on another day in the Lower Manhattan court where former President Donald Trump is defending himself against 34 charges of fudging business records to hide six-figure payment…