File:Mainshum.png

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Mainshum.png ‎(288 × 250 pixels, file size: 35 KB, MIME type: image/png)

This image shows how to identify the frequency or frequencies of background noise, by selecting a couple of seconds of background noise, and using Analyze | Plot Spectrum in Audacity.

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current12:49, 24 January 2016Thumbnail for version as of 12:49, 24 January 2016288 × 250 (35 KB)RuthieG (talk | contribs)This image shows how to identify the frequency or frequencies of background noise, by selecting a couple of seconds of background noise, and using Analyze | Plot Spectrum in Audacity.

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