[sdiy] digital delay, was ...

[harrybissell]

Hi Glen...  <snip>

> You *do* realize that what we might call the "40Hz" band has already been
> pitch shifted to a much higher frequency range by the time we apply the
> compression?

No... I thought the compression was before the shift.  I have to think about
this.
The signal will probably still be group delayed an unacceptable amount from the

dome filter, but you might be able to compensate for that if you are not using
it
for reel-time audio  :^P

H^) harry

> There are no 40Hz signals left anymore, they are all much
> higher now. The 10K signals are also gone. They've *also* been shifted to
> the center of the audio spectrum.
>
> All the various compressors see a much more similar incoming spectrum due
> to the pitch shifting which has already taken place. There would be no need
> to have such a wide range of response times between the compressors,
> because they would all be processing narrow-band midrange signals at this
> point.
>
> I know that I'm expecting a lot from the pitch shifters--way too much from
> real-world devices, I'm sure. Heck, I'm expecting a LOT from everything
> EXCEPT the BBDs in this elaborate scheme.  :)
>
> I think it might actually be fun to try this, but I don't have the money
> and time to tackle it. I'd like to see what little (or large) unexpected
> artifacts it would have--what sort of unique character it might have. I
> suspect it might sound quite "organic" due to the complexity and sheer
> amount of  circuitry involved.
>
> I really wouldn't think of using hand-built tube BBDs. I'm not that crazy.
> I might consider using a simple tube input or output stage for some
> coloration though.
>
> later,
> Glen