A True Rompler: EPROM-based Synthesis!

I wanted to make a device that plays back digital audio, without the use of any programming or a microcontroller or a computer. In other words, the most basic rompler, as a hardware-only device. This is an example of a basic synthesiser that can use up to 256 different waveforms.

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http://little-scale.blogspot.com

Category:

Music

Tags:

• little-scale
• rompler
• bit
• eprom
• sampler
• noise
• noisy
• pseudo
• synthesis
• low
• breadboard
• waveform
• electronic

[jaspers22]

Thats a great idea man, but your wiring makes the baby jesus cry.

[littlescale]

whats wrong with my wiring? :)

[jaspers22]

Sarcasm is so hard to notice over the internet that I just can't tell if you are being serious... well it is mostly what I get from engineering school whenever they would see a wire so "tall" an curvey in my design my teacher would just pull everyone of them that was taller than my chips... but besides that ... no problem ;)

[littlescale]

well, i never went to any engineering school - although i wish i did. yeah i was being sarcastic, but at the same time most of my wires are always messy with my breadboarding so cest la vie ;)

[aphexpusher]

how much was that oscilloscope?

[littlescale]

i think it was about AUD$70.

[ImATrackMan]

@Mr1p0d

sounds like a 12.5% square wave, though it (obviously) doesn't look like one.

[munchluxe63]

@Mr1p0d I think it's part sine, part sawtooth.

[Mr1p0d]

0:13 to 0:19: Sawtooth

0:19 to 0:30: Sine

0:31 to 0:33: backs from Sine to Sawtooth again

0:37 to 0:43: Triangle

0:48 to 0:51 backs from Triangle to Sawtooth

¿What is the wave from 0:34 to 0:36? Anyone can help me?

[pastorrtom]

This is awesome! Imagine making music on this! 100% hardware manipulation, so all skillz lies in your fingertips turning each knob!

[Serpico261]

hi, great circuit...u should use the sound interface adapter which you can find in the commodore computers and then you can fit it with data, very easily