T Total: 45 1 Spherical head 2 Torso and neck, etc. 3 Concha 4 Pinna flange 5 Ear canal and eardrum
T Total: 45 1 Spherical head 2 Torso and neck, etc. 3 Concha 4 Pinna flange 5 Ear canal and eardrum
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![T Total: 45
1 Spherical head
2 Torso and neck, etc.
3 Concha
4 Pinna flange
5 Ear canal and eardrum
20-
15
10-
-5
-10
0.2
0.5
1.0
10
Frequency (kHz)
Copyright2000 Wolters Kluwwer Health | Lippinoott Williams & Wikins
Our outer ear acts like a filter/resonator and actually amplifies the level of some
sound inputs, while attenuating others. Consider the "T" curve in Figure 8.4 of your
the Emanuel textbook. Using the "T" curve, determine the output level for two
different input sounds provided below.
Input
Output (based on curve T)
3000 Hz tone at 80 dB SPL
[ Select ]
300 Hz tone at 80 dB SPL
[ Select]
External ear
Sound pressure gained (dB)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1ec5e4d3-1ac6-400f-a929-40a08484818d%2Fa65cad8a-4543-4a7c-97a4-4c9abb6baba8%2Fo3xqq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:T Total: 45
1 Spherical head
2 Torso and neck, etc.
3 Concha
4 Pinna flange
5 Ear canal and eardrum
20-
15
10-
-5
-10
0.2
0.5
1.0
10
Frequency (kHz)
Copyright2000 Wolters Kluwwer Health | Lippinoott Williams & Wikins
Our outer ear acts like a filter/resonator and actually amplifies the level of some
sound inputs, while attenuating others. Consider the "T" curve in Figure 8.4 of your
the Emanuel textbook. Using the "T" curve, determine the output level for two
different input sounds provided below.
Input
Output (based on curve T)
3000 Hz tone at 80 dB SPL
[ Select ]
300 Hz tone at 80 dB SPL
[ Select]
External ear
Sound pressure gained (dB)
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