 
Hello, my name is German, I am from Argentina, and we are working at university with R. This work is about sounds and how they affect out ears, we are using R to analice different recordings of sounds and we need to get the intensity of this recordings in dB.  In order to get the intensity of the sounds, we are using the plot function, but we can not figure out what is the menaning of the graphic that we are getting, actually the values it takes are between -1 and 1. 
It would be very helpfull for us to now what this values are, and where we can get more information about the plot function, besides all the information that is in the help documentation. (we already have read it, and we could not find any help)
Thanks for helping us
Best regards
Germán.


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