Finally found the proof Tarantura's messing with the orginal cassettes they lay their hands on...
Quote :
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"Neil Young & Crazy Horse - Nagoya, First Show In Japan [Tarantura 1CD Torrent: 149472] live at Aichken Taiikukan, Nagoya, Japan, March 3, 1976.
First show of Japan Tour. This complete version includes the second encore Cortez The Killer. Ex- AUD stereo. Some consider this an upgrade as it is from the taper's original cassette [1st gen] but it is a bit shrill.
From CHermann57 "I'll have to contradict everybody who takes this an upgrade, at least soundwise. I'm pretty sure that the original tape for this bootleg doesn't sound better than the previous version of this show (seeded by Ed Tyre in January 2007). But the people at Tarantura used a simple trick to make it sound clearer: they used heavy compression to make all parts of the concert sound louder. My audio remaster programm calls this "normalization" but it has nothing to do with the boost of the overall volume level - so everybody with a capable programme could have been done this too.
"The same trick is used nowadays by radio stations and during the ads at the TV to make the ads sound louder than the rest of the programme to catch the ear of the undiscerned listener or TV watcher). The problem is: the sound seems to be crisp and stellar but it is no longer natural, no, this Neil Young shows sounds now - at least to my ears - artificial.
"You can tell the manipulation if you'll take a look at the wave form of the tracks. Every part of the show (even every single second of each song) is now on the same level. That's what the compression did - IMHO not for good. I will stick in future to the last version of this marvellous show which sounds much more natural."
Hence the brickwalled effect... I wonder if we'll EVER listen to Mr. Peach treasures in a correct form.