Podcast on "An Intuitive Design Approach For Implementing Real Time Audio Effects"

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mayukh mukhopadhyay
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This podcast discusses a research paper, written by mayukh mukhopadhyay and om ranjan, which explores the implementation of real-time audio effects using the Texas Instruments TMS320C6713 DSK (Digital Signal Processor Kit) and MATLAB Simulink. The authors investigate the feasibility of implementing various effects, including echo, reverberation, stress generation, and reverberated chorus, using both idle task and DSP/BIOS task scheduling techniques. They present the mathematical analysis behind the stress generation effect and discuss its real-time implementation using Simulink models. Additionally, they perform a COCOMO (Constructive Cost Model) analysis to evaluate the cost and efficiency of their approach. The paper concludes that the DSP/BIOS task scheduling method provides superior audio quality compared to idle task scheduling, making it more suitable for real-time audio effect implementation.

Connected to paperThis paper is a preprint and has not been certified by peer review

An Intuitive Design Approach For Implementing Real Time Audio Effects

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Authors

Mayukh Mukhopadhyay, Om Ranjan

Abstract

Audio effect implementation on random musical signal is a basic application of digital signal processors. In this paper, the compatibility features of MATLAB R2008a with Code Composer Studio 3.3 has been exploited to develop Simulink models which when emulated on TMS320C6713 DSK generate real time audio effects. Each design has been done by two different asynchronous scheduling techniques: (i) Idle task Scheduling and (ii) DSP/BIOS task Scheduling. A basic COCOMO analysis has been done for the generated code to justify the industrial viability of this design approach. KEYWORDS: Musical signal processing, Real time Audio effects, Echo, Stress Generation, Reverberation, Reverberated Chorus, Real Time Scheduling.

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