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Hearing and Speech Processing > Lecture 1: The Nature of Sound and Psychoacoustics > Flashcards

Lecture 1: The Nature of Sound and Psychoacoustics Flashcards

1
Q

What is the nature of sound?

A

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2
Q

What is the speed of sound? What are the different equations? What are the components?

A

wdq

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3
Q

What is the wavelength?

A

sda

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4
Q

What is the speed of sound in air at room temperature?

A

sad

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5
Q

What property changes the speed?

A

ads

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6
Q

How is wavelength dependant on frequency?

A

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7
Q

What is the relevance of wavelength for spatial hearing?

A

sadsg

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8
Q

How is sound localised using the wavelength?

A

asdd

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9
Q

How does background noise affect speech recognition?

A

asdsf

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10
Q

What is a spectrogram? What does it show? What are the properties?

A

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11
Q

What are the important quantities on a spectrogram?

A

asdaf

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12
Q

What is intensity? Define.

A

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13
Q

How much the intensity increased to make it seem like a 4x increased in loudness?

A

asfg

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14
Q

What is loudness?

A

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15
Q

What is the decibel scale?

A

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16
Q

What is the number of a phon of a sound?

A

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17
Q

What is a sound with a negative phon? What is a sound with a positive phon? What is the sound with a 0 phon?

A

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18
Q

What is the hearing threshold?

A

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19
Q

What are the different sound ranges on a decibel scale?

A

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20
Q

What is range of sounds that the humans can hear in the decibel scale of loudness?

A

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21
Q

What is the human frequency range?

A

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22
Q

What are the frequencies most used? Why? Where is the human ear most sensitive to?

A

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23
Q

What needs to happen at higher frequencies?

A

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24
Q

What frequencies does hearing loss first happen?

A

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25
Q

What is masking?

A

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26
Q

What is the McGurk effect?

A

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Hearing and Speech Processing (18 decks)

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