How to use images as wavetables

in Serum

How to use Images as Wavetables in Serum?
October 17, 2016 Tieme
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Since Serum version 1.1 it’s possible to use images as wavetables. And it’s quite easy. This short tutorial will show you how and I will give some pointers/tips for using an image as a wavetable.

First, make sure your Serum is up to date. (You should always keep Serum up to date; Steve Duda listens to the community and almost every update gives great new features!)

1. Selecting/Finding your images.

Now find some images. When searching for image(s), keep in mind that:

  • Images needs to be PNG.

You can add “png” to your google search. In this way most of the search results will be in PNG format. Can’t find the image you want in PNG? There are lots of online image converters available for free.

  • Square images work best.

In my experience square images works best for getting a nice wavetable. So when you want to use an image that’s not a square, try cropping it with photo editing software or via a free online image cropping website.

  • Colors are important!

Serum converts an image to a wavetable by its colors. E.g. when your image is mostly dark, there will not be much “relief” in your wavetable. So keep this in mind. Try adding a black stick figure with a white background and you will understand how it works immediately. Here are 3 examples:

Serum Wavetable Image Gradient Square Tutorial

A: Wavetable Gradient Square

Serum Wavetable Image One Pice Jolly Roger Tutorial

B: Wavetable One Piece

Serum Wavetable Stick Figure Skateboard Tutorial

C: Wavetable Stick Figure Skateboard

 

 

 

 

 

 

 

Example A is made by a square with a gradient black (bottom) to white (top) and a white background.

Example B is made with Jolly Roger from One Piece.

Example C is made with an image of a black stick figure on a skateboard with a white background.

2. Import your image to Serum.

Now that you have your image(s), you can add them to Serum. This is easy, just drag & drop the image onto oscillator A or B. Serum will now convert your image to 256 frames.

Serum Wavetable Drag & Drop Image on OSC A Tutorial

Drag & Drop Image on OSC A

3. Clean up the wavetable.

With most images, the first and last frames will be a horizontal or near to horizontal line. Just remove these frames manually by going to the wavetable editor. If you have to remove quite a lot, just hit Morph -> Crossfade or Spectral to smoothen the transitions. Keep in mind that this can alter the look of your wavetable.

That’s all! Now you can make a wavetable out of every image you can think of. I made a free wavetable pack based on portraits of 20 celebrities, some are a bit hard to recognize due to some edits, others are very clear and easy to recognize. But they all sound great!

 

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