SynthMaker

Mad Clock and Metronome

Archive · 2011 4 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

lesobrod ·

Being inspired by Trog's tutorial Tutorial: Triggers (Part 3) and this cute clock Analogue Clock, I try to post some another clock example with weird trigger schematic 😈 It's kinda of binary or hex clocks, but really is based on much more importance arithmetic theorem.

Maybe someone guess what does it show exactly? 😀 I'll post answer later. For tip please look into schematic; and note that it's not cryptogram or joke, but demonstration of a real math.

Another part of osm is a simple but slightly mad metronome. It has two basic sounds - "Tic" and "Tac" that's adjusted by peak filters (by Tor). Sequence order sets by Edit Box (1 - "Tic", 2 - "Tac", 0 - Pause) or random. ADSR trigger may be sync with Windows seconds, or sync with internal source of impulses (more or less chaotic). Peak freq of each filter is modulated by slow random LFO (by me)) Relevant knob is "LFO Knob - Method 2" from modulating a bitmap knob, thanx to Mo!

The sound has problem with clicking when Selector switch different audio streams. De-zipper is no use so I'll glad to know how to avoid it!

trogluddite ·

Wow - clever stuff - a clock for mathematical savants! 🙂

The clock shows the prime factors of the current time...

1, 0, 1, 0, 0... => 2^1 * 5"1 = 2 * 5 = 10 2, 2, 0, 0, 0... => 2^2 * 3^2 = 4 * 9 = 36

Do I win a prize? 😉

The selector switch thing is a common problem. When you use selectors or multiplexers to re-route audio streams, SM re-compiles all of the stream parts of the schematic, so that it can work out the optimum order to process the data. It also enables SM to work out which modules can be turned off to save CPU (any module with no outputs connected does not get processed). This has the unfortunate side effect of causing some primitives and code to reset to their initial conditions, so that even with de-zipping etc., there are still discontinuities in the audio stream. The simplest solution here would be to crossfade between your two filters rather than using the selector - which will cost a little bit of extra CPU, but will let you smooth the join with dezippers...

lesobrod ·

Do I win a prize?

Yeah, sure! 😀 http://en.wikipedia.org/wiki/Fundamenta ... arithmetic

I'd like to present you a piece of genuine Russian vodka, but postage 🙁 So feel free to test something like this as if it from me with best wishes and cheers! )))))

What about selector switch, I've found something: De-glitched Selector for mono streams... but your simple solution helps completely...

trogluddite ·

He he, I will certainly drink to your health when I am out tonight - a toast to the inspiring madness you have brought to the forum! 😀

Some of the solutions in that other thread maybe will work for you. There are a few different variations there - some work best only in some situations, but they are all worth experimenting with because some are designed to keep the advantage of 'auto CPU saving'.

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