melodyExtractionFromSalienceFunction.py 文件源码

def MEFromSFFile(fn, outputfile, options):
    """ Computes Melody extractino from a Salience function File
        Parameters
    ----------
    fn: salience function filename
    outputfile: output filename
    options: set of options for melody extraction

    No returns

    """
    from numpy import column_stack, savetxt

    times, SF = loadSFFile(fn)
    times, pitch = MEFromSF(times, SF, options)
    savetxt(outputfile, column_stack((times.T, pitch.T)), fmt='%-7.5f', delimiter=",")