This script get the ranges of the audio samples and create csv of the samples

script

import csv, glob, os, sys

SAMPLES = 100  #100 samples = 1 second
DIRECTORY = raw_input("Enter the path of your files: ")
RANGE_DIRECTORY = DIRECTORY+'ranges/'
TALKER_HEADER   = 'person'
PITCH_HEADER    = 'F0_Hz'
RANGE_HEADER    = 'range'

def calculateRange(window):
        value = max(window)-min(window)
        return value

filelist = list()
intervieweeList = list()
interviewerList = list()
intervieweeRange= list()
interviewerRange= list()
os.chdir(DIRECTORY)
for counter, files in enumerate(glob.glob("*.csv")):
    filelist.append(files)

for fileitem in filelist:
        print (DIRECTORY+fileitem)

        with open(DIRECTORY+fileitem) as csvfile:
                csv_f = csv.DictReader(csvfile)
                for row in csv_f:
                        if row[TALKER_HEADER] == 'interviewer':
                                interviewerList.append(float(row[PITCH_HEADER]))
                                if len(interviewerList) == (SAMPLES):
                                        interviewerRange.append(calculateRange(interviewerList))
                                        interviewerList.pop(0)
                        if row[TALKER_HEADER] == 'interviewee':
                                intervieweeList.append(float(row[PITCH_HEADER]))
                                if len(intervieweeList) == (SAMPLES):
                                        intervieweeRange.append(calculateRange(intervieweeList))
                                        intervieweeList.pop(0)

        print (sum(intervieweeRange) / float(len(intervieweeRange)))
        print (sum(interviewerRange) / float(len(interviewerRange)))

        if not os.path.exists(RANGE_DIRECTORY):
            os.makedirs(RANGE_DIRECTORY)
        with open(RANGE_DIRECTORY+'range_'+fileitem, 'w') as csvfile:
                fieldnames = [TALKER_HEADER, RANGE_HEADER]
                writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
                writer.writeheader()
                for row in intervieweeRange:
                    writer.writerow({TALKER_HEADER: 'interviewee', RANGE_HEADER: row})
                for row in interviewerRange:
                    writer.writerow({TALKER_HEADER: 'interviewer', RANGE_HEADER: row})