File:Blumlein shuffler principle 2 of 4.svg
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current | 20:53, 4 April 2018 | ![]() | 603 × 643 (21 KB) | Retired electrician | |
18:15, 4 April 2018 | ![]() | 603 × 643 (22 KB) | Retired electrician | {{Information |Description={{en|The ''Blumlein shuffler'' is an analog processor that extracts left-right phase differences and converts them to left-right level difference. It was suggested by Alan Blumlein in his landmark UK patent 394325 as a tool for preserving stereo information otherwise lost during playback through loudspeakers. There are four steps<br>(1) take the original L+R stereo signal<br>(2) convert L,R to M(id) and S(ide) signals through plain addition/subtraction. M and S are,... |
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