def robotic(input_path, output_path):
     '''Applies a robotic effect to a given input audio file'''
     sound = AudioProcessing(input_path)
     sound.set_volume(1.5)
     sound.set_echo(0.01)
     sound.set_bandpass(300, 4000)
     sound.save_to_file(output_path)
 def radio(input_path, output_path):
     '''Applies a radio effect to a given input audio file'''
     sound = AudioProcessing(input_path)
     sound.set_highpass(2000)
     sound.set_volume(4)
     sound.set_bandpass(50, 2600)
     sound.set_volume(2)
     sound.save_to_file(output_path)
 def ghost(input_path, output_path):
     '''Applies a ghostly halloween effect to a given input audio file'''
     sound = AudioProcessing(input_path)
     sound.set_reverse()
     sound.set_echo(0.05)
     sound.set_reverse()
     sound.set_audio_speed(.70)
     sound.set_audio_pitch(2)
     sound.set_volume(8.0)
     sound.set_bandpass(50, 3200)
     sound.save_to_file(output_path)