[sdiy] Delays and companders

ulfur hansson ulfurh at gmail.com
Mon Mar 4 19:32:45 CET 2019


4305's from THAT have been marked EoL :(

mán., 4. mar. 2019 kl. 13:10 skrifaði Tim Ressel <timr at circuitabbey.com>:

> Hi,
>
> In making a BBD delay often a compander is used to reduce noise. One
> schematic had a clever circuit that used one rms-dc block to run both
> the compressor and expander VCAs. This would make sense in a non-delay
> circuit. But in a delay where the output is not time aligned with the
> input, is it the right thing to do? It seems to me you want completely
> separate compressor and expander circuits with their own rms-dc blocks.
> Say a pair of 4305s from That Semi. Or am I in the weeds here?
>
> --
> --Tim Ressel
> Circuit Abbey
> timr at circuitabbey.com
>
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