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A/V TECH AND FILM CAREERS > U2 L2: Fundamentals Of Electronics, Acoustics, Sound, And Video > Flashcards

U2 L2: Fundamentals Of Electronics, Acoustics, Sound, And Video Flashcards

1
Q

What is Acoustics?

A

Study of the production, reception, control, transmission, and effects of sound

PRCTE

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2
Q

What is binaural hearing?

A

hearing with two ears

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3
Q

What are the three main parts of a sound wave?

A
  • frequency
  • amplitude
  • phase

(i think)

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4
Q

What is frequency? And what is the frequency range of Humans?

A
  • number of times be second that a sound wave oscillates
  • measured in Hertz (Hz)
  • 20 to 20,000 Hz
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5
Q

What is amplitude?

A
  • strength and volume of a sound wave

- measured in Decibels (dB)

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6
Q

What is a phase?

A
  • timing between two similar sound waves
  • measured in degrees (0-360)
  • 0= in sync
  • 180= opposite/out of phase
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7
Q

What is Phase Cancellation?

A
  • two sounds out of phase are added together and cancel each other, resulting in no sound
  • a factor in mixing audio signals
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8
Q

What is a band?

A
  • energy measured in frequency ranges

- a lot of bass=low frequency energy

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9
Q

What is Treble?

A
  • high-frequency energy beyond midrange

- adds crispness to sound

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10
Q

What is the frequency range that our voices produce?

A

250-4000 Hz

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11
Q

What does it mean to equalize?

A

technique to reduce the midrange so dialogue in a film can be heard

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12
Q

What is Pitch?

A
  • strongest and lowest part of the sound wave
  • our interpretation of frequency
  • C, E, F notes
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13
Q

What is harmonics?

A

soft and high tones that accompany a fundamental tone at each interval

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14
Q

What is timbre?

A
  • tonal color/shade

- helps us distinguish voice/instruments

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15
Q

What is Resonance?

A

quality of sound in which some frequencies are amplified more than others

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16
Q

What is Reverb time?

A
  • time it takes for a sound to die away
  • measured by the amount of time it takes for the sound to fade to -60 dB
  • lots of reverb= wet
  • without reverb= dry
17
Q

What is Diffusion?

A

high frequencies dying out more quickly than low frequencies

18
Q

What is Pre-delay time?

A

how long after the direct sound will the reflected sound come

19
Q

What is an Audio Signal Chain?

A
  • link that connects source sound through production and recording
  • acoustic source > transducers > analog, digital consoles and DAWs
20
Q

What does a typical recording studio include?

A
  • live room: performers perform
  • control room: sound engineers operate hardware for recording
  • machine room: noisier equipment kept

they were designed around the principles of acoustics

21
Q

What is Analog recording?

A

sound is recorded in its original form and is taken from the microphone and put on tape

22
Q

What are various types of cables used for connecting equipment?

A

RCA- studio gear, consumer electronics
1/4 Inch Stereo Phone- end of stereo headphone cables, connects prof gear to mixing console
1/4 Inch Mono Phone- connects synthesizers/guitars to mixing consoles
XLR- microphones, digital audio tape players, long cable runs

23
Q

What is a Patchbay?

A

central place with strips of connectors

24
Q

Who was the first computer musician?

A

Max Mathews

25
Q

What is Digital recording?

A

analog wave is sampled and converted to numbers that are stored on a digital device

26
Q

What is a MIDI?

A
  • Musical Instrument Digital Interface

- connects instruments to computer equipment

27
Q

What is a Mixer?

A

device used for blending, fading and substituting sounds from various sources

28
Q

What is Nondestructive recording?

A

recording without having to erase recordings

29
Q

What are the various uses of DAW’s?

A
  • editing process
  • blending instruments and voices
  • making the recording master
30
Q

What are the skills you should learn when pursuing education in Recording studio techonolgy?

A
  • how to work analog and digital systems/equipment
  • how to configure and trace a recorded signal through a recording setup
  • optimize noise and avoid distortion
  • understand equipment spec sheets
  • understand studio and console signal flows

A/V TECH AND FILM CAREERS (24 decks)

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