On 7/20/15 2:44 PM, padawa...@obiwannabe.co.uk wrote:
Whenever vintage delays come to my mind, I hear the sound of the bucket brigade delay lines that were made from a chain of capacitors and switches. In the early 80s there were many electronic magazine articles and kits to build them. The SAD chips had a maximum delay time of about 200ms. Were they digital? Kind of.
no, they weren't. not really. discrete-time is not the same as digital.
Were they analogue? Kind of too.
they were fully analog[ue].
A lost technology from gap between analogue and digital, you can hear them on a surprising number of records, especially early electronic. That odd "dub" effect where a sound converges on a single low frequency is often BBD set to maximum feedback I think, but is sometimes mistaken for tape echo or early DDL.
to the precision of the A/D and D/A converters (which is considerable), there is no reason that a modern digital delay ling can't be made to sound like the old CCD (or "BBD" or whatever you wanna call it) delay products. like an analog[ue] amplifier, you might have to model in analog non-linearities, noise, buzz, hum, and interference to make it sound the same. with the exception of the non-linearities, i normally think that modeling the noise and buzz leaking through is not desirable. who knows?
one thing i think might be cool is to use different delay/echo effects on each string of a hex-pickup gitfiddle. just like you might have different pitch shifting done on each string.
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