On Sat, 25 Jan 2014 12:41:07 -0000, "Brian Gaff"
wrote:

Yes, the old hafler rear speaker can show up a lot of that Try a minidisc
sometime at its middle quality setting, its nausiating in the extreme.
Too may people also rip to mp3, then load into an editor and export to mp3
and wonder why it sounds far worse!


I never buy mp3s from Amazon as they seem to like 128kbit stuff which is not
even as good as the lame encoder makes at the same bit rate. Do they think
we came up on the down train?
Brian

The speakers are just a stereo pair of larger than normal amplified
PC speakers, there aren't any satellite speakers involved. The "3D
Surround" button just toggles through an "Off/Movie/Music/Movie+Music"
sequence of options. Obviously, the "3D Surround" is based on various
levels of cross feed antiphase mixing (with presumably, different
frequency slopes thrown in for good measure) to 'widen' the sound
stage.

It's the anti phase cross mixing that's highlighting the phase errors
in the MP3 stereo mix. With wav files, it just sounds as you'd expect
if it were applied to the original analogue sources (vinyl and reel to
reel tape).

I just use this button as a "Quick and Dirty" check to see whether
any CD or wav file 'compiliations' contain source material that may
have been subjected to MP3 processing along the way.
--
Regards, J B Good