[sdiy] 20ms delay? analog allpass filter?

[Neil Harper]

On 2/7/23 02:57, Mattias Rickardsson wrote:
> Hi!
> 20 ms is a lot. See the old broadcast equipment EMT 266 Transient 
> Limiter for example, which has an analog delay of 0.3 ms, corresponding 
> to 14 samples in 48 kHz digital audio, or 10 cm of sound travelling 
> through air.
> 
> https://postimg.cc/Fk0pd2Yx <https://postimg.cc/Fk0pd2Yx>
> 
> So you'll likely need a BBD or something digital, I'm afraid.
> 
> /mr

Okay thanks Mattias, looks like i'm quite a few orders of magnitude off 
from this being done with opamps and caps. That makes sense, 20ms is 
pretty dang long once Rene Schmitz pointed out that it would require 
thousands of kilometers of coax cable.. wow.



-- 
/// Neil Harper
/// Every Wave is New Until it Breaks