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<div>Miniature tape recorder.</div>
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<div>------ Original Message ------</div>
<div>From: "Mike Bryant" <<a href="mailto:mbryant@futurehorizons.com">mbryant@futurehorizons.com</a>></div>
<div>To: "Neil Johnson" <<a href="mailto:neil.johnson71@gmail.com">neil.johnson71@gmail.com</a>></div>
<div>Cc: "<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>" <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>></div>
<div>Sent: 2/7/2023 4:37:23 AM</div>
<div>Subject: Re: [sdiy] 20ms delay? analog allpass filter?</div>
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That's not analogue though, it's acoustic :-)<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Neil Johnson <<a href="mailto:neil.johnson71@gmail.com">neil.johnson71@gmail.com</a>><br>
<b>Sent:</b> 07 February 2023 12:04<br>
<b>To:</b> Mike Bryant <<a href="mailto:mbryant@futurehorizons.com">mbryant@futurehorizons.com</a>><br>
<b>Cc:</b> Roman Sowa <<a href="mailto:modular@go2.pl">modular@go2.pl</a>>; Neil Harper <<a href="mailto:metadata@gmx.com">metadata@gmx.com</a>>;
<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a> <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br>
<b>Subject:</b> Re: [sdiy] 20ms delay? analog allpass filter?</font>
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<div class="PlainText">20ms is only about 6m or so. Get creative with some plywood, foam, a<br>
speaker and a microphone.<br>
<br>
Neil<br>
<br>
On Tue, 7 Feb 2023 at 12:02, Mike Bryant <<a href="mailto:mbryant@futurehorizons.com">mbryant@futurehorizons.com</a>> wrote:<br>
><br>
> Well it's more practical than 6000 km of wire :-)<br>
><br>
> Alternatively you could bounce a signal off a satellite.<br>
><br>
> Somehow I think delay is something best done digitally.<br>
><br>
> ________________________________<br>
> From: Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org">synth-diy-bounces@synth-diy.org</a>> on behalf of Roman Sowa <<a href="mailto:modular@go2.pl">modular@go2.pl</a>><br>
> Sent: 07 February 2023 11:11<br>
> To: Neil Harper <<a href="mailto:metadata@gmx.com">metadata@gmx.com</a>>; <a href="mailto:synth-diy@synth-diy.org">
synth-diy@synth-diy.org</a> <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br>
> Subject: Re: [sdiy] 20ms delay? analog allpass filter?<br>
><br>
> If you consider Spin Semiconductor's FV-1 chip as a "bog standard<br>
> electronic part", then yes.<br>
><br>
> Roman<br>
><br>
> W dniu 2023-02-07 o 04:18, Neil Harper via Synth-diy pisze:<br>
> > hey everyone,<br>
> > I've been messing around with some digital stuff, where it's really easy<br>
> > to make delays to do accurate karplus-strong type sounds for example.<br>
> ><br>
> > Anyways, it got me wondering if there's any analog equivalent? Let's say<br>
> > I want a 20ms delay, is that in the realm of requiring a dedicated IC to<br>
> > do the delay, or is that possible with bog standard electronic parts<br>
> > like opamps and capacitors? 2<br>
> ><br>
> ><br>
> ><br>
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