When I have been unhappy, I have heard an opera ... And it seemed the shrieking of winds; when I am happy, a sparrow's chirp is delicious to me. But it is not the chirp that makes me happy, but I that make it sweet.
It appears that the media filters we carry in our heads are like computers: they've been forced to get faster in order to keep up with the demands our high-speed society puts on them.