Chris-Another tool is to combine the tracks while listening.Making it mono.
The azimuth setting is most easily fine-tuned that way--Mickey
From: Tim Gillett
Sent: Wednesday, October 21, 2020 2:47 PM
To: [log in to unmask]
Subject: Re: [ARSCLIST] Delayed Channels on Cassette Tapes
I'm not sure if you know that cassettes are notorious for azimuth
misalignment on playback. Experts in tape digitization align the
tape replay head to the recorded patterns on each tape being played.
It involves carefully adjusting the azimuth screw on the machine's
playback head while listening. We aim to extract the brightest,
clearest sound off the tape. After this has been done, an Azimuth
Corrector tool might be also used to fine tune the small remaining
misalignments, especially dynamically changing misalignments which
occur too quickly to be corrected by adjusting the head's azimuth
An Azimuth Corrector is generally not very good on a true stereo
recording as it can struggle to distinguish between intended and
unintended inter channel delays.
----- Original Message -----
From: "Association for Recorded Sound Discussion List"
<[log in to unmask]>
To:<[log in to unmask]>
Sent:Wed, 21 Oct 2020 13:34:11 +0100
Subject:[ARSCLIST] Delayed Channels on Cassette Tapes
We are digitising some cassette tapes using Audacity.. A batch of
are stereo, however they have exaggerated separation of the channels
(perhaps they need normalisation?), and one channel is a microsecond
behind the other. We don't actually need stereo, amd have tried to
merge the channels into mono. But this sounds dreadful - the speech
part sounds OK, but the music is very 'echo-ie).
Another batch have delays from one channel to the other measuring in
seconds. How can we time-shift one channel to match the other one?
Thanks - Chris B.
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