Polymorphic effects processor
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Polymorphic Effects Processor. Team Audio Matt King Chris Santoro. Most musicians take way too many pedals to gigs. We will design a programmable effects box that will allow the musician greater flexibility and less baggage. The Problem. The Solution. Goals. CD Quality Audio

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Polymorphic Effects Processor

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Polymorphic effects processor

Polymorphic Effects Processor

Team Audio

Matt King

Chris Santoro


The problem

Most musicians take way too many pedals to gigs.

We will design a programmable effects box that will allow the musician greater flexibility and less baggage.

The Problem


The solution

The Solution


Goals

Goals

  • CD Quality Audio

  • Real Time Processing

  • Bitchin’ Effects

  • User Selectable/Programmable

    via USB/PC interface


Technical objectives stage 1 hardware

Technical ObjectivesStage 1 Hardware

  • DSP from Analog Devices: ADSP-21261

  • Codec from Analog Devices: AD1836

  • 2 inputs: RCA and ¼” TRS

  • 3 outputs: RCA, ¼” TRS, and

    3.5 mm Headphone Jack

  • Memory for temporary sample storage


Basic concept

Basic Concept


Technical objectives stage 2 software

Technical ObjectivesStage 2 Software

  • Software is composed of two major parts

    • Loader/OS

    • Effects/Main Program

  • Main Program -> three tasks

    • Receive Samples

    • Process Samples

    • Transmit Samples


Technical objectives stage 3 packaging

Technical ObjectivesStage 3Packaging

  • Make the device attractive

  • Make the device robust

  • External buttons for user control

  • LCD for interface feedback

  • Built in window

  • Illuminated circuitry


Competition

Competition

  • Similar devices cost $100-$200 on average

  • Some are much higher

  • None are truly programmable

  • Some devices only produce a single effect

  • The “Butt Probe” retails for $549…


Estimated cost

Estimated Cost

  • Our initial estimate for parts: little over $100.

  • Analog Devices has donated a development board that we will use as a model as well as a software development platform.


Questions

Questions?


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