Here therefore, it is not possible to rerecord. In this case though, this recording is from one of the old FSI recordings which we use. See Steps to a high quality recording for help with that. If this was a recording you had made yourself, it would be better to rerecord, and make one much less background hiss to begin with.

Let us begin with a recording with a very bad background hiss. Watch out though: if you're listening to just the background noise on maximum volume, and then you listen to the actual recording at the same volume, you can get a bit of a fright!Įxperimenting with different Noise Reduction settings The louder you have the volume, the more you will hear the background noise. Even a pair of simple ear bud headphones is enough. They don't have to be fancy expensive headphones. With headphones, the slightest hiss can be heard. Without headphones, often all recordings will sound equally good. You cannot hear subtle background noises if there is lots of noise where you are working.

To be able to hear (and fix) background noise, there are a few key things to do: If you stretch the vertical axis the noise becomes easier to see:

When the vertical axis is small the noise is difficult to see: Before reading this page, make sure that you're already familiar with the basic noise-removal techniques described on Using Audacity to remove background noise.

Audacity noise reduction