Spectral comparison with one spectrum as reference

Question

I often use the Frequency analysis view for comparing several averaged spectrums with each other. Sometimes you want to use one spectrum as a reference and see the spectral deviation of other recordings compared to the reference. This can be handy when you want to analyse spectral changes in different setups.  Let's say that you want to analyse the attenuation of a physical door. You set up a loudspeaker and a microphone on each side of a door opening. First you record white noise with open door, then you close the door and record white noise through the closed door.  Spectrum1 - spectrum2 will give the spectral attenuation. Is there a way to do this in Adobe Audition? The best solution would be if Spectrum1 could be used as reference for every new spectrum that is calculated. Then you will get the true attenuation spectrum for each test case.  Any advise on this? Please contact me on [personal email address redacted - Adobe policy] if you like.

SteveG_AudioMasters_ · Answer

The coloured bars at the top of the Frequency Analysis window give you eight options to save a spectrum. If you click on the nubers, each one will store the current spectrum in that colour. They will remain there all the time the Window is open, so you can change files and store results from different sources. Next to the Hold indicator is a button that will let you copy all the data, which will let you analyse it in a spreadsheet if you wish.

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