fakeit and random seed

Hi,

I am wondering about the randomization properties of fakeit. As far as I 
can tell, if I invoke fakeit with no argument, I will always get the 
same "random" spectrum, unless I first use seed_random () to set the 
random number generator. Does this sound right? Is it the expected 
behavior? Is there a way to get variable random noise in fakeit (or 
otherwise) without explicitly setting the seed myself?

Thanks,

Maurice
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