IFD:Eclectic Electric!/DocumentationWS2013/Lydia Kluge/Exercise2

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Simply Sound


The given task was to modify one of those sound recorders used in greeting cards by changing the resistor.


Before altering anything I recorded the first few seconds of "Thunderstruck" by AC/DC to test if everything is working fine, check the quality of the replay – not that good, obviously – and avoid hearing my own voice. Subsequently I removed the original resistor and replaced it with a light depending resistor.


After this modification the recording was influenced by the surrounding light; the more light was caught by the resistor, the more rapidly the audio signals were processed, thus making the pitch level higher.