286 – Software Analog Effects
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Guest: Julian Parker Host: Markus Voelter Shownoter: Jochen Spalding
Effects devices are essential for electric guitars and keyboards because they shape sound and make it interesting; many classic devices exist. However, those are rare and/or expensive, plus, even if they are not, carrying them around on a tour costs money. This is why these hardware devices are simulated in software, and distributed as plugins for audio software. Native Instruments is a manufacturer of such software analog effects packages. In this episode I chat with one of their engineers, Julian Parker, about how this software simulation of the electronic hardware is done.
Introduction Julian Parker And What He Does
00:04:08Julian Parker | Native Instruments | Perceptual and Numerical Aspects of Spring Reverberation Modeling | DSP | Traktor | Machine | Komplete 11 | Guitar Pedals | Tape based delay | Bucket-brigade device | [Paper] Acoustics and Modeling of Pickups
Black-Box Modeling
00:29:33Black-box testing | White-box testing | Finite impulse response | Infinite impulse response | Low-pass filter | Fast Fourier transform | [Paper] Subjective and objective quality assessment of audio source separation | Convolution | Linear time-invariant theory | Error metric | Amp cabinet
White-Box Modeling
01:06:34Digital waveguide synthesis | Digital Waveguides (Julius O. Smith - Physical audio signal processing) | Karplus–Strong string synthesis | Ordinary differential equation | Capacitor | Transistor | Inductor | Resistor | Diode | Kirchhoff's circuit laws | Even and odd harmonics | Don Buchla | Robert Moog | Feature extraction | Mathematica | C++ | Domain-specific language | Compiler | LLVM
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When I was a student of Electrical Engineering, struggling to understand Digital Signal Processing, I wish something like this would have existed. Great motivation to attempt understanding the math behind DSP.
Thanks for another great episode!