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Alien Voices using the Texas Instruments C5000 and C6000 DSP

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Alien Voices using the Texas Instruments C5000 and C6000 DSP

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27 Aug 2003 (Updated )

Simple DSP using ring modulation to generate sum and difference frequencies as used in alien voices.

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Description

Two complete applications in C, one for the Texas Instruments C5000 fixed-point processor and the other for the TI C6000 floating-point processor. This self-teach application / laboratory is aimed at beginners to allow them to use DSP to generate strange sounds.

The digital signal processing is very simple indeed and consists of simply multiplying an audio input by a sine wave. This causes the output to
contain sum and difference frequencies.

The waveforms and FFTs of the output from the ring modulator are generated using the MATLAB source files. A series of typical results are given in a Word document.

Required Products Filter Design Toolbox
MATLAB release MATLAB 6.5 (R13)
Other requirements Program capable of reading Word documents, Texas Instruments TMS320C5416 DSK, microphone. A signal generator is useful in producing quantitative results. Headphones or powered computer loudspeakers.
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Comments and Ratings (2)
07 Jul 2005 Tuen Lung Fai

good!

23 Mar 2004 rw mg  

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