Questions

Try these questions to test your knowledge from this chapter:

1. Using QSoundEffect, you've written a utility for a call center that allows them to review recorded phone calls. They're moving to a new phone system that stores the audio calls as MP3 files. Do you need to make any changes to your utility?
2. cool_songs is a Python list containing path strings to your favorite songs. What do you need to do to play these songs back in a random order?

3. You have installed the audio/mpeg codec on your system, but the following code isn't working. Find out what's wrong with it:

   recorder = qtmm.QAudioRecorder()
   recorder.setCodec('audio/mpeg')
   recorder.record()

4. Run audio_test.py and video_test.py on several different Windows, macOS, and Linux systems. How is the output different? Are there any items supported across all systems?
5. The properties...