On 22/08/03, Mike Richter wrote:

> I do not mean to suggest that it is irrelevant how the recording is
> pitched; only that one may try to "sweat the small stuff" beyond the
> point at which it makes sense. On many of the recordings with which I
> work, speed is not constant across the disc. That introduces problems
> of relative pitch on which there is far greater sensitivity than
> absolute.

Is anything known of the form of these pitch changes across the disk?

Presumably it comes from using a clockwork motor which runs down. Does
the pitch remain constant for a while and then start to change, or is
there a steady change throughout the disc?

Don Cox
[log in to unmask]