I read about the remastering hype very briefly and it was originally coming from the rise of CD's. They were not created with original master tapes of the audio, but from duplicates. That lead to reduced audio quality, also making things more quiet.
Now, the remastering engineers stepped in to increase the volume, leading to another problem - the remastered record is loud, but also distorting...
Many respected engineers have recognised it and gone against the flow, but many continue this. Making it sound 'better' on your phone speakers or Aliexpress earbuds. For many people, louder sounds better.. because it's loud. Many people swoon over "super bassy" songs and when I listen to the track, it's pretty much just mid-bass and nowhere near as exciting as physically present sub-bass (which you need proper audio equipment for, true). It is loud though, yes. Can make tin speakers rattle. Can set off car alarms as you drive by in your car subwoofer.
It is not enjoyable to listen to a track with any and all dynamics squeezed out of it with limiting and compression, but Spotify is not entirely to blame for it. In fact, when they receive music from the uploaders, they do convert the tracks into the required formats (AAC and ogg) and add normalization information, but they don't do it with the intent of destroying the track. They have outlined all information necessary for mastering engineers and artists to ensure the best quality music playback on the service.
(normalization can be turned off in app settings so you have music as it was supplied)
This issue is a combination of poor choices and trends by various parts, not just one.
SebastyRock Star 18
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I've noticed more than just volume boosting or compression issues, I've noticed that the actual "sound" of the track is different like the arrangement was changed by emphasizing certain sounds that were just a nuance before and now it sounds garish. That's my biggest problem because I associate these songs with pleasant memories and when it sounds completely different it ruins the good time I was having because I'm no longer lost in the music, I'm focusing on the changes. Not cool.
Black Sabbath Dio Recordings were in BAD need of remastering before "The Dio Years" finally hit. The EQ on the drums was an insult to the ears. After they revisited the Dio recordings, the drums sounded 100% better.
When I compared "Lady Evil" pre and post mastering, I noticed a HUGE difference in bottom end for the drums and bass. They were nearly non-existent before "Dio Years" was released.
When they first started remastering things in the 90s it was to make the sound more compatible with modern tech.
To ME a "Remix" is when some DJ recuts the entire "Dark Side of the Moon" record with a Trip-Hop beat. A REMASTER is when an entire album's overall sound is re-produced adjusting highs, lows, mids, and trying to eliminate source tape hiss.