A web-based drum synthesizer

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Learning resource er-99
Overview

ER-99

ER-99 is a web-based instrument drum machine based on a famous Japanese instrument from the 1980s, and was released on 9/09/2022.

ER-99 Screenshot

What Is ER-99?

ER-99 is a programmable drum machine using a combination of synthesized and sampled sounds. It offers more tweakability and sound design options than the original hardware instrument.

All of the drums are synthesized using the WebAudio API. The hi-hats, crash, and ride cymbals are produced from sampled audio.

The original drum machine that inspired this project is an analog sound design masterpiece, and you can read circuit analysis about its clever use of noise and bandpass filters over on Network 909. I've tried to use the same techniques in the digital domain, but I'm sure they can be tweaked to get them to get even closer sounding.

Who made this?

Hello! My name is Matthew Cieplak, and I'm known online as Extralife. I make music, youtube videos, and synthesizer modules. You can follow me on Instagram, Twitter, and Github.

If you like this project, you can support me on Patreon to help me keep building new instruments.

Please let me know if you find any bugs or if the interface can be made clearer. Happy sequencing!

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Comments
  • #Fix midi devices not being selected when only one is connected

    #Fix midi devices not being selected when only one is connected

    I had the problem that the onmidimessage was never registered on my device when I had only one connected. This PR triggers the onChange event on the input_list such that the event handlers are always registered to the first midi device by default. It does not affect the behaviour when you have multiple devices connected and you can actually use the drop down select.

    opened by diiigle 0
Owner
Matthew Cieplak
Music tech enthusiast.
Matthew Cieplak
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