Signal Processor Design (SynC)

Ric’s Signal Processor

Signal Processor Design... I love this project..

Here’s the story behind this … Music Technology project to design a signal processor using SynC… SynC is a freeware and is one powerful software synth creator.

Ric’s Signal Processor is a very straight forward multi-module signal processor in software design.  With easy to use control panel including frames and global presets based on the laboratory exercises done for the module Music Technology Systems employing feedback, chorus, flanging, reverb and simple delay processing without distortion.

The main signal processor panel design above contains various selectable global presets twelve (12) altogether as well as switchable audio oscillators including white noise and a sampled sound of a drum kit loop.  This has been employed in order to emphasize and give more examples of the effect of signal processing to a specific audio signal.

There are four (4) same set of selectable and switchable processors  giving more flexibility in choosing and having to play and process a signal simultaneously all with a by pass button.  Below it is a velocity tracker which  helps control the sensitivity of a signal coming from a keyboard or external controller with different switchable modes.

A mix left and right pan knob and a main volume control knob is available as well to give more control over the stereo image and the output volume of the module. All the feedback, chorus, flanger, reverb and delay are framed with various gain, lfo, level, delay time,  and comb filter controls.

After the signal passes through the processors its being divided by four (4) a number chosen to represent an almost average level so no distortion will occur on the final output.  Then in order to have more control over the output, a volume knob has been used with a linear range of 0 to 1.  In the end is the pan control knob to send the signal either left or right of the stereo image with level meters to help the user visually control the output.

The Signal Flow

Keyboard —>  Pitch Bend —>  wave selector  –> velocity tracker –> VC Sum ——>FX1 —> FX2  —> FX3 —>  FX4  —> Master volume controller L/R —-> then Final output L/R



Book:  Borwick, J., 1994, 4th Edition, Sound Recording Practice, Oxford University Press,  Oxford, New York.

Website: Fourier Making Waves, Phet, University of Colorado, Boulder

Website :  GAN SEUM-LIM B.Sc. (Hons.), 1992, Digital Synthesis of Musical Sounds

Website:  LS Innovative Synthesis,

Lecture Notes : Music Technology Systems, lecture notes 6 and 2,  2010, Subtractive Synthesis & Modulation Synthesis, Salford University.

Book : Russ, M. , 2004, 2nd edition,  Sound Synthesis and Sampling, Focal Press, Oxford OX2 8DP.

Website :  Wikipedia


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