These albums are surround to binaural stereo downmixes produced from 
official surround mixes using head-related transfer functions (HRTFs).
When played over any headphones, they recreate the impression of spatial
(3D) positioning of surround speakers around the listener. 

The strength of this effect varies from song to song and from album to 
album, depending on how the surround format was utilized by the producer
of each surround mix.

The raw output from the HRTFs was also tweaked to remove some 
distracting artefacts introduced by the processing, and to ensure the 
music remained pleasant to listen to. In most cases, these binaural
mixes have a much higher dynamic range than the official stereo mixes,
meaning they have a much more open (as opposed to compressed) sound.

The script used to produce these files can be found here: 
https://github.com/bucaneer/binauralconv

Further reading and resources: 
https://en.wikipedia.org/wiki/Head-related_transfer_function 
http://www.sofaconventions.org/mediawiki/index.php/Main_Page 
https://ffmpeg.org/ffmpeg-filters.html#headphone

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All files FLAC, stereo, 24bit, 48kHz.

[1969] Stand Up
Based on 5.1 mix from 2016 DVD-V release by Steven Wilson

[1970] Benefit
Based on 5.1 mix from 2013 DVD-V release by Steven Wilson

[1971] Aqualung
Based on 5.1 mix from 2011 DVD-V release by Steven Wilson

[1972] Thick as a Brick
Based on 5.1 mix from 2012 DVD-V release by Steven Wilson

[1973] A Passion Play
Based on 5.1 mix from 2014 DVD-V release by Steven Wilson

[1974] WarChild
Based on 5.1 mix from 2014 DVD-V release by Steven Wilson

[1975] Minstrel In The Gallery
Based on 5.1 mix from 2015 DVD-V release by Steven Wilson

[1976] Too Old to Rock 'n' Roll: Too Young to Die!
Based on 5.1 mix from 2015 DVD-V release by Steven Wilson

[1977] Songs From The Wood
Based on 5.1 mix from 2017 DVD-V release by Steven Wilson