Little more on Psychoacoustics

1
Little more on Psychoacoustics

• Then on to the Quizette

2
Ear of Stimulation

• Does a loud sound in the left ear affect the
  right ear?
• Why might it?
• Why might it not?
• Actual results

3
High vs. Low Frequencies

• Demo of frequency scales
• 900, 950, 1000, 1050 Hz
• 900, 950, 1000, 5000 Hz
• Easier to judge with the 5000 Hz tone
• Why is there no gain for frequency?

4
Upcoming Quizette

• Material
• All lectures chapter 5
• Multiple Choice Questions
• 20 questions, 4 options each
• Many with Both a b responses
• 1 pt each (20 total)
• Short answer questions
• 7 questions (3 pts each)
• Bonus Question (2 pts)
• 3 pts each (21 total 2 for bonus)
• Be sure to mention Key Words when relevant

5
Resources

• Sample questions online
• http//www.erin.utoronto.ca/w3psy385
• Email me
• mgordon_at_utm.utoronto.ca
• Available until Sunday 1100 pm
• Saturday after 6 pm
• Drop by office hours
• Friday (today)
• 10 4 pm

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TLA 3 Speech in Noise due OCT 13

• Ingredients
• Television
• Paper
• Writing utensil
• Activity Source Monitoring
• During a 1 minute period tally each time you hear
  the words THE or AND
• Crowded room (e.g., cafeteria)
• 1 person behind you
• TV or Radio News broadcast
• Do not face the TV
• Hum lightly to yourself or listen to music while
  doing this
• Write-up
• Which was easier?