Does util.py check for -1/+1?

[smros]

I wanted to verify that input audio data should be scaled between -1 and +1 and saw the "util.py" function has some tests for the input data. The tree of tests though, doesn't check for -1/+1? Unless the test for the "floating" class does that?

[smros]

I may have answered my question. When I use scipy.io to read in a wav file, it comes in from the file in the format it was built in which could use integers. When I try "soundfile" it looks like it converts it to floating point, using the max of the type, and will be between +/- 1.