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All Educational Materials for NATS 1720 at York University (YORKU)

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YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Color Vision, Visual Cortex, Color Psychology

10 Page
16 May 2013
The main intent of writing this essay is to describe the psychological and cognitive aspects of color. Accompanied with highly schematic fashion illust
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YORKNATS 1720carlwolfeFall

NATS 1720- Final Exam Guide - Comprehensive Notes for the exam ( 36 pages long!)

36 Page
29 Mar 2018
Unit 1 the nature of sound: lecture #2. Note: pressure fluctuations above or below the normal atmospheric pressure correspond to compressions and raref
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YORKNATS 1720carlwolfeFall

NATS 1720 Study Guide - Midterm Guide: Basilar Membrane, Sound Power, Linear Density

6 Page
16 Dec 2017
Sound pressure is measured in units of pascal (pa), represented by p. Sound intensity is measured by w/m2 and in units of decibels (db), represented by
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Color Psychology, Visual Cortex, Color Vision

9 Page
16 May 2013
The main intent of writing this essay is to describe the psychological and cognitive aspects of color. Accompanied with highly schematic fashion illust
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Study Guide - Quiz Guide: Basilar Membrane, Sound, Overpressure

5 Page
8 Nov 2018
Due: oct 4, 2018: please answer the questions on these pages. You can attach additional pages if you need more space. If you do then please clearly ind
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YORKNATS 1720Professor Carl WolfeFall

NATS 1720 Study Guide - Midterm Guide: Unit, Sound Energy, Harmonic Oscillator

21 Page
31 Oct 2018
If you reduce the area in which force can be applied, then more force is applied in the specified area, and more pressure will affect that area. Increa
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Stereophonic Sound, Preamplifier, Electrical Audio

15 Page
29 May 2013
In this essay i am going to write about different sound systems, for instance: monophonic system, stereophonic system, surround sound and thx. I would
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 2: Sound, Wave, Atmospheric Pressure

4 Page
30 Nov 2015
Disturbance travels through a medium in all directions (has to be material between the source and destination: perception- It is a variation of change
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 22: Critical Band, Basilar Membrane, Musical Tone

2 Page
9 Dec 2018
Response of basilar membrane to a pure tone is spread over a range about 1. 2 mm long. Corresponds to the critical band of frequencies around that tone
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 5: Basilar Membrane, Oval Window, Cochlea

OC25952652 Page
8 Nov 2018
0
Speed of wave = wavelength period ( ) = wavelength x frequency. So wavelength = speed frequency = 343 m/s 20 hz = 17. 15 m. Perception of sound: pressu
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 13: Sound Energy, Soundproofing

OC25952651 Page
8 Nov 2018
0
Few distortions of speaker sound: bad spaces. Vari c (not loud enough + echoes: concert hall. Intimacy (describe the small feel in a room) Promotion of
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YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 10: Spiral Ganglion, Unit, Sound

OC11291844 Page
23 Nov 2017
0
Unit 4 hearing perception (physiological) and hearing. Several cues are recognised in the brain to establish loudness (related to the firing frequency,
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YORKNATS 1720carlwolfeFall

NATS 1720- Final Exam Guide - Comprehensive Notes for the exam ( 36 pages long!)

36 Page
29 Mar 2018
Unit 1 the nature of sound: lecture #2. Note: pressure fluctuations above or below the normal atmospheric pressure correspond to compressions and raref
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Color Vision, Visual Cortex, Color Psychology

10 Page
16 May 2013
The main intent of writing this essay is to describe the psychological and cognitive aspects of color. Accompanied with highly schematic fashion illust
View Document
YORKNATS 1720carlwolfeFall

NATS 1720 Study Guide - Midterm Guide: Basilar Membrane, Sound Power, Linear Density

6 Page
16 Dec 2017
Sound pressure is measured in units of pascal (pa), represented by p. Sound intensity is measured by w/m2 and in units of decibels (db), represented by
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Color Psychology, Visual Cortex, Color Vision

9 Page
16 May 2013
The main intent of writing this essay is to describe the psychological and cognitive aspects of color. Accompanied with highly schematic fashion illust
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Study Guide - Quiz Guide: Basilar Membrane, Sound, Overpressure

5 Page
8 Nov 2018
Due: oct 4, 2018: please answer the questions on these pages. You can attach additional pages if you need more space. If you do then please clearly ind
View Document
YORKNATS 1720Professor Carl WolfeFall

NATS 1720 Study Guide - Midterm Guide: Unit, Sound Energy, Harmonic Oscillator

21 Page
31 Oct 2018
If you reduce the area in which force can be applied, then more force is applied in the specified area, and more pressure will affect that area. Increa
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Stereophonic Sound, Preamplifier, Electrical Audio

15 Page
29 May 2013
In this essay i am going to write about different sound systems, for instance: monophonic system, stereophonic system, surround sound and thx. I would
View Document
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Frequently-seen exam questions from 2014 - 2018.
YORKFall

NATS 1940 Lecture Notes - Lecture 1: Green Darner, Eye Color, Mount Everest

3 Page
9 Feb 2020
Abdomen is blue or blueish go to 2. Abdomen is not blue but instead is red, black, brown or white go to 3. Wings are brown towards the inside and are
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YORKFall

NATS 1940 Lecture Notes - Lecture 1: Monarch Butterfly, Herbicide

3 Page
9 Feb 2020
Observed monarch butterfly behaviour has significant implications for species survival. Habitat loss is one of the worlds leading causes of species dec
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YORKFall

NATS 1940 Lecture Notes - Lecture 1: Mendelian Inheritance, Numeracy, Population Genetics

4 Page
9 Feb 2020
Biodiversity and conservation biology assignment #1. In this assignment, you will be doing two types of questions, most of which involve numbers. Many
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YORKWinter

NATS 1560 Lecture Notes - Lecture 1: Calibri, Moodle, Hank Green

3 Page
2 Feb 2020
Write your name (as it appears in the class list) and student number on the line above. Read the instructions completely, including the academic integr
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YORKWinter

NATS 1870 Lecture Notes - Lecture 7: Joseph Von Fraunhofer, Annie Jump Cannon, Williamina Fleming

1 Page
16 Jul 2019
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YORKWinter

NATS 1870 Lecture 17: NATS 1870- Short Assignment #2 (June 9)

1 Page
16 Jul 2019
Ancient folklore from china and europe describes auroras as: souls at play, using a walrus head as a ball, great dragons or serpents in the skies, view
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YORKWinter

NATS 1870 Study Guide - Quiz Guide: Cecilia Payne-Gaposchkin, Harlow Shapley, White Dwarf

6 Page
16 Jun 2019
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YORKWinter

NATS 1870 Quiz: NATS 1870- Quiz 1 (History of Colours)

10 Page
16 Jun 2019
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YORKWinter

NATS 1870 Study Guide - Quiz Guide: Oa, Neon, Hubble Space Telescope

13 Page
16 Jun 2019
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YORKWinter

NATS 1870 Study Guide - Quiz Guide: Steven Sasson, Photographic Plate, Light Pollution

4 Page
16 Jun 2019
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YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 2: Overpressure, Rarefaction, Longitudinal Wave

2 Page
19 Oct 2017
Unit 1 the nature of sound: lecture #2. Note: pressure fluctuations above or below the normal atmospheric pressure correspond to compressions and raref
View Document
YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 22: Virtual Image, Optical Axis, Real Image

4 Page
16 Jan 2018
Types of mirrors we will deal with are: Concave mirrors--> where the surface of the mirror bends towards the axis. Convex mirrors--> where the surface
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 4: Net Force, Restoring Force

3 Page
30 Nov 2015
Change of position implies velocity (rate of change of position - with time) Objects tend to maintain their state of motion (velocity) in the absence o
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 1: Geometrical Optics, Lucretius, Active Noise Control

2 Page
30 Nov 2015
600 bc pythagoras - played with plucking a string (string lengths and consonance) 300 bc aristotle - sound is carried by a medium (a disturbance in the
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 7: Damping Ratio, Q Factor, Linear Density

3 Page
30 Nov 2015
> depends on elasticity (of string) (eg: tension, pressure) v elasticity intertia (vwave = velocity of wave) eg: stretched string vwave= tension linear
View Document
YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 4: Decibel, Cochlea, Basilar Membrane

2 Page
18 Oct 2017
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YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture 3: Sept 17th, 2013

2 Page
30 Nov 2015
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YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 8: Wave, Transverse Wave, Linear Density

4 Page
30 Nov 2015
Wave energy (for a transverse wave on a string) > for one wavelength, energy is 1/2 kinetic and 1/2 potential. A = amplitude v = wave speed eg piano wi
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 2: Sound, Wave, Atmospheric Pressure

4 Page
30 Nov 2015
Disturbance travels through a medium in all directions (has to be material between the source and destination: perception- It is a variation of change
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture 11: Oct 17th, 2013

2 Page
30 Nov 2015
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Your classmates’ favorite documents.
YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 2: Overpressure, Rarefaction, Longitudinal Wave

2 Page
19 Oct 2017
Unit 1 the nature of sound: lecture #2. Note: pressure fluctuations above or below the normal atmospheric pressure correspond to compressions and raref
View Document
YORKNATS 1720carlwolfeFall

NATS 1720- Final Exam Guide - Comprehensive Notes for the exam ( 36 pages long!)

36 Page
29 Mar 2018
Unit 1 the nature of sound: lecture #2. Note: pressure fluctuations above or below the normal atmospheric pressure correspond to compressions and raref
View Document
YORKNATS 1720carlwolfeFall

NATS 1720 Lecture Notes - Lecture 22: Virtual Image, Optical Axis, Real Image

4 Page
16 Jan 2018
Types of mirrors we will deal with are: Concave mirrors--> where the surface of the mirror bends towards the axis. Convex mirrors--> where the surface
View Document
YORKNATS 1720carlwolfeFall

NATS 1720 Study Guide - Midterm Guide: Basilar Membrane, Sound Power, Linear Density

6 Page
16 Dec 2017
Sound pressure is measured in units of pascal (pa), represented by p. Sound intensity is measured by w/m2 and in units of decibels (db), represented by
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Color Vision, Visual Cortex, Color Psychology

10 Page
16 May 2013
The main intent of writing this essay is to describe the psychological and cognitive aspects of color. Accompanied with highly schematic fashion illust
View Document
YORKNATS 1720Professor Carl WolfeFall

NATS 1720 Study Guide - Midterm Guide: Unit, Sound Energy, Harmonic Oscillator

21 Page
31 Oct 2018
If you reduce the area in which force can be applied, then more force is applied in the specified area, and more pressure will affect that area. Increa
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 4: Net Force, Restoring Force

3 Page
30 Nov 2015
Change of position implies velocity (rate of change of position - with time) Objects tend to maintain their state of motion (velocity) in the absence o
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 1: Geometrical Optics, Lucretius, Active Noise Control

2 Page
30 Nov 2015
600 bc pythagoras - played with plucking a string (string lengths and consonance) 300 bc aristotle - sound is carried by a medium (a disturbance in the
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Study Guide - Stereophonic Sound, Preamplifier, Electrical Audio

15 Page
29 May 2013
In this essay i am going to write about different sound systems, for instance: monophonic system, stereophonic system, surround sound and thx. I would
View Document
YORKNATS 1720Carl WolfeWinter

NATS 1720 Lecture Notes - Lecture 7: Damping Ratio, Q Factor, Linear Density

3 Page
30 Nov 2015
> depends on elasticity (of string) (eg: tension, pressure) v elasticity intertia (vwave = velocity of wave) eg: stretched string vwave= tension linear
View Document

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The latest uploaded documents.
YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 20: Vocal Folds, Vocal Tract, Restoring Force

2 Page
9 Dec 2018
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture 18: class18

1 Page
9 Dec 2018
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 19: Horse Length

2 Page
9 Dec 2018
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 22: Critical Band, Basilar Membrane, Musical Tone

2 Page
9 Dec 2018
Response of basilar membrane to a pure tone is spread over a range about 1. 2 mm long. Corresponds to the critical band of frequencies around that tone
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 21: Interval Ratio, Perfect Fourth, Fundamental Frequency

1 Page
9 Dec 2018
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Study Guide - Quiz Guide: Basilar Membrane, Sound, Overpressure

5 Page
8 Nov 2018
Due: oct 4, 2018: please answer the questions on these pages. You can attach additional pages if you need more space. If you do then please clearly ind
View Document
YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 17: Room Modes, Normal Mode, Frequency Response

2 Page
8 Nov 2018
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 16: Room Modes, Normal Mode, Overpressure

2 Page
8 Nov 2018
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 15: Reverberation, Sabines, Attenuation Coefficient

2 Page
8 Nov 2018
Result of (cid:862)pile up(cid:863) of (cid:396)efle(cid:272)ted sou(cid:374)d f(cid:396)o(cid:373) all di(cid:396)e(cid:272)tio(cid:374)s. Already und
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YORKNATS 1720Carl WolfeFall

NATS 1720 Lecture Notes - Lecture 7: Simple Harmonic Motion, Net Force

1 Page
8 Nov 2018
Also called restoring force => opposes any distortion of system. Inertia = property of mass: newto(cid:374)"s (cid:1005)st law motion: objects maintain
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