Backing tracks downloaded from YouTube often contain lead-in music and a promotional
voice over at the beginning. You can use any audio editor to remove these
artifacts. I prefer
Audacity,
the completely free and excellent audio Swiss army knife that runs on PCs, Macs and Linux computers.
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Install Audacity from
this site
and start it.
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Drag the audio file into the program.
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Play the file and identify the part of the audio you want to remove. You can zoom in
and out to get a better view of the audio waveform.
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Select the portion of the track to be removed and click Delete.
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Do File | Export Audio... to save the modified file to a WAV file. Be sure to
not save it as an MP3 as that reduces the quality of the audio every time you change
and resave the file.
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Exit Audacity and ignore the prompt to save the project.
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