Lesson 5 - Hearing Things

In lesson 5 we look at sound, the ear and how the brain hears pitch, timbre and spatial locations of sound sources.

Preparation before the lecture:

  1. Watch "Basics Of Auditory System Crash Course" (Only until 7 minutes and 40 seconds, ‘7:40’ into the video.
    https://www.youtube.com/watch?v=Ie2j7GpC4JU&t=329s
    Note: He talks VERY FAST. It will be easier if you put closed captions on and turn it on and off to slow down.
    Also note: the lecturer over-simplifies the notion of pitch. We will talk about more interesting aspects of pitch in class.
  2. Watch this video on Sound Spectra
    https://www.youtube.com/watch?annotation_id=annotation_765202&feature=iv&src_vid=Q-ot9AaJx-Y&v=jveKIYyafaQ
  3. Watch "Modes of Vibration Caught on Camera" on auditoryneuroscience.com
  4. Go to  "Spectrogram" on auditoryneuroscience.com. Enable the microphone, make some noises and watch the spectrograms. Try speech. Try singing or whistling at different pitches. 
  5. Go to  "Pitch matching" on auditoryneuroscience.com. Play with the demos as per instructions.
  6. Go to  "Missing fundamentals, Periodicity and Pitch" on auditoryneuroscience.com. Play with the demos as per instructions.
  7. Look at  "Formants and harmonics in spoken vowels" on auditoryneuroscience.com. 

Materials

Videos of previous Lectures: