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Critical Listening > Final Review > Flashcards

Final Review Flashcards

1
Q

What are examples of non pitched sounds?

A

Radio static, snare drum

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2
Q

What are examples of a period wave that does repeat?

A

Piano, guitar, our singing voice

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3
Q

What is the measurement for Frequency?

A

Hertz

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4
Q

What does Kilohertz mean?

A

1000 Hertz

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5
Q

What do you do to make Frequency up an octave?

A

Double it.

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6
Q

What does cent mean?

A

Up a half step.

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7
Q

What is the measurement for amplitude?

A

Decibel

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8
Q

What is the Frequency of the 7th harmonic?

A

700 Hertz

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9
Q

What are examples of sound that is non harmonic?

A

Metallic instruments: gong or bell

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10
Q

What does resonance do to a sound?

A

Changes the tone.

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11
Q

What does resonance of a vocal track do?

A

Changes various vowel sounds.

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12
Q

What are examples of resonance?

A

Solid Materials: Air enclosed, sea shell, the hollow box of a guitar, wood

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13
Q

What does an Equalizer do?

A

Changes the frequency response on purpose.

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14
Q

What is a flat Frequency Response?

A

What sounds comes in, comes out exactly the same.

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15
Q

What causes comb filtering?

A

Two copies of the same sound arriving at two different times getting picked up twice.

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16
Q

What type of Distortion do we encounter most?

A

Clipping

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17
Q

How do you avoid clipping?

A

Reduce the level.

18
Q

What creates clipping?

A

Excessive levels.

19
Q

What does Distortion do?

A

It adds high frequencies and makes quieter sounds more apparent.

20
Q

Why wouldn’t you use delay on percussion and drums?

A

It would create another rhythm or echo.

21
Q

If the faster the tempo, should the reverb time be shorter or longer?

A

Shorter

22
Q

What does lots of Reverb tell us?

A

Everything sounds far away.

23
Q

What is Panning?

A

The combination of arrival time and level/volume change. It is also how things are positioned from left to right.

24
Q

How do we perceive the direction of sound by which sound is earlier?

A

Panning

25
Q

True of False? Sounds below the threshold are heard.

A

False

26
Q

What does a compressor do?

A

It reduces the volume of sounds that exceeds the threshold.

27
Q

What does the limiter do?

A

Makes sure that certain notes don’t stick out.

28
Q

What is the speed of sound?

A

1140 feet per second

29
Q

How is delay created?

A

When a sound travels through the air at the speed of sound. Also when a sound reflects off a boundary creating an alternate, longer path to the listener.

30
Q

Delay is…

A

A simple repeat of the sound, when longer than 30ms can be called an “echo”.

31
Q

What is Delay time?

A

Measured in milliseconds and the length of a single delay.

32
Q

What is Reverberation?

A

Many reflections blending into a smooth sound.

33
Q

What is Reverb time?

A

the amount of time it takes reverb to decay to silence. (-60

34
Q

What is Quantization?

A 
When 
a 
signal 
is 
converted 
from 
analog 
to 
digital, 
the 
signal 
is 
converted 
to 
a 
series 
of 
numerical 
values.
35
Q

What is a Frequency Response?

A 
a 
system's 
reproduction 
of 
the 
different 
frequencies 
in 
the 
spectrum, 
often 
quoted 
by 
its 
upper 
and 
lower 
limits
36
Q

What is a Harmonic?

A 
a 
mode 
of 
vibration 
that 
is 
a 
whole-number 
multiple 
of 
the 
fundamental.
37
Q

What is a Fundamental?

A

Basic mode of vibration.

38
Q

What is a Harmonic Spectrum?

A 
a 
sound 
which 
is 
made 
up 
of 
harmonic 
overtones 
following 
the 
harmonic 
series.
(whole-number 
multiples 
of 
the 
fundamental.)
39
Q

What is Transient?

A

A single pulse of sound.

40
Q

What is Timbre?

A

Tone color, controlled by the wave shape.

Critical Listening (1 decks)

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