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MP3 compression and emotional perception alteration

 
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cale w
gettin' sounds


Joined: 09 Nov 2009
Posts: 143
Location: Seattle

PostPosted: Wed Dec 14, 2016 2:46 pm    Post subject: MP3 compression and emotional perception alteration Reply with quote

https://techxplore.com/news/2016-12-compression-format-timbre-music-loss.html

I thought this was fascinating!
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low-fi dub! http://soundcloud.com/calewilcox/sets/district-dubs#
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sdelsolray
pluggin' in mics


Joined: 29 Jan 2004
Posts: 39

PostPosted: Sun Dec 18, 2016 1:35 pm    Post subject: Re: MP3 compression and emotional perception alteration Reply with quote

Well, they compared an original recording (dunno what rate/bit depth this file was but assume something at least at 44.1k 24 bit) to .mp3 files running at 112Kbps, 56Kbps and 32Kbps. Sometimes the 112Kbps file scored higher than the original file.

Virtually no one listens to .mp3s at those low sample rates.

No doubt if the testing was done using higher .mp3 playback rates (say 256 or 320), the test subjects wouldn't hear any "emotional" difference.
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vvv
zen recordist


Joined: 13 May 2003
Posts: 7928
Location: Chi

PostPosted: Sun Dec 18, 2016 8:37 pm    Post subject: Re: MP3 compression and emotional perception alteration Reply with quote

I know when I hear my stuff at 128kps, it pisses me off. Twisted Evil
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