Rename frequence_process to better reflect functionality

compare_plot.py

@@ -3,7 +3,7 @@ import sound_process
 from tkinter import filedialog as fd
 from matplotlib import pyplot as plt
 
-def process_with_map():
+def compare_plot():
     filename = fd.askopenfilename()
     beatmap = sl.Beatmap.from_path(filename)
     timing = beatmap.timing_points[0]
@@ -23,7 +23,7 @@ def process_with_map():
     plt.show()
 
 def main():
-    process_with_map()
+    compare_plot()
 
 if __name__ == "__main__":
     main()