He told Reuters that finding the perfect sound mix is not an easy process.

他对路透社表示，找到完美的混合音不是一件简单的事情。

And there's a new transfer from the original negative, a new sound mix that's much crisper.

原始底片有了新的转变， 新的混音变得更加清脆。

Yeah, and... I mean, on top of that, the PA is all there and normally quite big, the main speakers that all the sound mixed through.

对，除此之外，表演空间有扩音设备，这些设备通常都很大，主音箱混合所有的声音。