[LAU] Filtering out everything but the centre position in stereo

Jeanette C. julien at mail.upb.de
Thu Aug 22 20:57:42 CEST 2019

Aug 22 2019, Ralf Mardorf has written:
> On the quick my guess is
> Original left  channel + inverted right channel = plain_left
> Original right channel + inverted left  channel = plain_right
> Original left  channel + inverted plain_left    = middle only
> Original right channel + inverted plain_right   = middle only
That sounds good. Unforunately it didn't work. Perhaps too many
differences due to the old tape and having been stored as an MP3. Well,
it was worth a try. the result is good enough, I suppose. :)

Best wishes and thanks,


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