created a template for envx.c
created a Makefile for envx
envx.c: extracts an amplitude envelope from a mono soundfile
Merge branch 'envx' into develop
created a makefile for sfenv
sfenv.c: appies an amplitude envelope to a mono soundfile
Merge branch 'sfenv' into develop
fixed printf statements
sfenv: let user know if any breakpoints were not read and why
the user now has the option to normalize breakpoint values
modified envx to delete breakpoint file in the event of an error during processing
sfenv deletes outfile if any processing errors occured
added more file cleanup error prompts
Merge branch 'sfenv' into develop
made sure window duration is not too small
adding normalizing option to envx
added psf_sndPeakValue to the portsf library
Merge branch 'envx' into develop
envx: added a normalizing option for breakpoints
envx: added an error check for normalizing option