What Will You Learn?
What Will You Learn?
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Project 2 Introduction
How hearing works:
Physiology
Outer, Middle, Inner Ear Mechanics
Perceptions:
Equal Loudness Contours
Masking
Hearing Loss
Before Class
Before Class
Watch these videos and complete the following activities:
Find an image showing the Anatomy of the Human Ear and add this to your Learning Journal (in your mid project reflections section).
Watch this short discussion on Sound Pressure Level (SPL) and ear fatigue. Screenshot a moment in the video and place that along with the description in your Learning Journal.
Watch this lesson on Loudness, and this lesson on Avoiding Ear Fatigue. Include a discussion on these in your Learning Journal.
Slides
Slides
AUD175 Week 5 Slides.pptxDuring class activities
Activity 1
Activity 1
In pairs, explain the signal path for the following situation.
Activity 2
Activity 2
Discuss your hearing response with your classmate.
Activity 3
Activity 3
Open up the Pro Tools session and take notes in your LJ while working through these tasks. Ensre you stick to the colour-coded tracks.
1.What feels louder, the Pure Tone or the White Noise?
2.By how many dB must you increase the fader of the Pure Tone before you can hear it?
3.Solo the guitar and bass tracks, respectively. Note what happens when the signals are combined. Can you explain this using correct terminology?
4.Listen to the track titled TONE TEST. Using the Signal Generator in the adjacent track, try and match the pitch. Note what happens to the sounds when you get close to the original tone.
After class activities
Download an SPL meter app onto your phone.
1. Find the loudness quotients for the following:
1. Street noise
2. Empty room
3. Hands clapping
4. Comfortable loudness for music in your bedroom
5. If you’re at a bar, gig, party, work environment etc. find out how loud it is.
2. Answer the following:
1. What exposure time is permissible for a) 85dB b) 91dB c) 103dB
2. In Australia, what profession has the highest incidence of hearing loss?
3. Define what Temporary Threshold Shift means and put in your weekly reflection.
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