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A synthesizer with jacks and sliders!

Part 2—The Digital Circuitry As a follow-up to his article "The Teensy Audio Station: Part 1" in the September issue #386 of Circuit Cellar, Brian div

For an amateur doing sound recording using Digital Audio Workstation (DAW) software, it can make sense to combine two external accessories into one unit. The Teensy Audio Station combines a 2-channel audio interface to the PC computer with a Control Surface containing the standard Transport controls and an automated Fader control.

Teensy DSP Series - Part II This is the second installment of a series of posts that will revolve around Teensy as a DSP. In this post, we'll implement the classic effect of distortion! IntroductionWhat Is Distortion?Getting Our Signal ClippedUnderstanding Our Audio ChainUpdating Our Audio ChainAdding Distortion CodeCode AdditionsA Quick DisclaimerTesting Our DistortionWrapping UpAppendix A

Creating a good real-time simulation of a music speaker cabinet generally requires an FIR filter with a large number of taps—more than was possible with the Teensy 3.6. In this project article, Brian builds one using the Teensy 4.1 module, making use of its large memory, faster speed and added features.