On the right below the waveform, you can specify the Length and the Shape of the grains used in the grain oscillator.
- Length
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Shortens the length of the grain without changing the grain duration. At a setting of 100%, the grain length corresponds to the grain duration. By decreasing the grain length, a shorter portion of the sample is played back, which results in a change in the spectrum. The pitch of the sound does not change, because the grain duration stays the same.
- Shape
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Determines the shape of the grain. The shape strongly influences the spectrum of the sound. Click the display to open the pop-up menu that contains the available shapes.