ALL QUESTIONS Flashcards
1
Q
Which of the following is an invalid display format?
A
16:9 PILLAR BOX
2
Q
How many rows of pixels are there in an SD picture?
A
576
3
Q
How many columns of pixels are there in an SD picture?
A
720
4
Q
T/F - Digital video cameras can reproduce all colours
A
FALSE
5
Q
The word widescreen refers to video formats with:
A
16:9 ASPECT RATIO
6
Q
Match the characteristics of the following scanning methods (Progressive):
A
PROGRESSIVE: EACH IMAGE IS CAPTURED IN ONE 25TH OF A SECOND
7
Q
Match the characteristics of the following scanning methods (Interlaced):
A
INTERLACED: EACH IMAGE IS CAPTURED IN ONE 50TH OF A SECOND
8
Q
Major UK TV broadcasters transmit how many frames per second?
A
25
9
Q
How many columns of pixels are there in an HD picture?
A
1920
10
Q
How many rows of pixels are there in an HD picture?
A
1080
11
Q
What is the primary reason for it being difficult to work with interlaced material?
A
COMPUTERS DON’T HANDLE INTERLACED IMAGES WELL
12
Q
Which definition best defines the term ‘anamorphic’
A
A TECHNIQUE FOR STORING AND DISTRIBUTING A WIDESCREEN IMAGE IN A NON-WIDESCREEN SYSTEM
13
Q
T/F - Netflix’s technical delivery requirements, for HD content, state that material has to be supplied using one of the following frame rates: 24 fps, 25fps, 30fps or 60fps
A
FALSE - HD CONTENT CAN BE SUPPLIED TO NETFLIX USING ANY OF THESE FRAME-RATES: 23.976FPS, 24FPS, 25FPS, 29.97FPS, 30FPS, 59.94FPS OR 60FPS
14
Q
Which programme was devised as a way of promoting the sales of colour televisions?
A
POT BLACK
15
Q
What were pre-1956 television programmes recorded on?
A
FILM
16
Q
On UK broadcast TV, how many fields per second are transmitted
A
50
17
Q
Videotape recording was primarily invented to:
A
ENABLE PROGRAMMES TO BE TRANSMITTED IN DIFFERENT TIMEZONES IN THE USA
18
Q
Who invented television?
A
ALL OF THE ABOVE (Baird, Marconi, Nipkow)
19
Q
Primarily what was Teletext?
A
A TEXT BASED INFORMATION SERVICE VIA TV
20
Q
Some film editors used to edit film using a Steenbeck. What type of editing device is it?
A
FLAT-BED
21
Q
To “ASTON” something is…
A
ADD A GRAPHIC OR CAPTION TO AN IMAGE
22
Q
T/F - High definition TV is a recent (post 2000) technology
A
FALSE
23
Q
Which of the following most accurately describes early electronic cameras as having
A
LOTS OF LENSES
24
Q
The first electronic cameras had tubes which were?
A
HEAVY AND SLOW TO WARM UP
ALSO SENSITIVE TO LOUD SOUND “microphony”
25
Rec.709 is the ITU’s recommendation for what?
HD VIDEO
26
Complete the following formulae
Y =
U =
V =
```
Y = R+G+B
U = B-Y
V = R-Y
```
27
T/F - An HD-SDI signal can easily be used after being sent down a 2,400m cable
FALSE
28
Select the correct value for the following digital levels as set out in Rec.709 (WHITE/BLACK):
WHITE LEVEL: 940
| BLACK LEVEL: 64
29
When converting an analogue signal to a digital value, the minimum sample rate, as suggested by Nyquist, is what?
2.2X HIGHEST FREQUENCY
30
What is the result of adding red and green light together?
YELLOW LIGHT
31
The first TV communications satellite was called?
TELSTAR
32
What does HD-SDI stand for?
HIGH DEFINITION - SERIAL DIGITAL INTERFACE
33
You have been asked to create a HD project, on an unfamiliar editing application for a programme to be delivered to a major UK TV Channel. Although you are unfamiliar with the application is asks for various parameters to be set, which you should be familiar with. What settings would you select for the following?
- FRAME RATE
- FRAME SIZE
- PIXEL ASPECT RATIO
- FIELDS
- AUDIO SAMPLE RATE
```
FRAME RATE: 25 FRAMES/SECOND
FRAME SIZE: 1920X1080
PIXEL ASPECT RATIO: SQUARE PIXELS (1.0)
FIELDS: UPPER FIELD FIRST
AUDIO SAMPLE RATE: 48KHZ
```
34
When given all of the following options, which signal should you use to connect two devices together that offers the best quality?
SDI
35
T/F - n Rec.709 encoded signal the green information is not transmitted on its own.
TRUE
36
Which of the following is most closely associated with the expression: 4:2:2?
YUV
37
The analogue alternative to PAL as used in north America is called what?
NTSC
38
What are colour bars used for?
TESTING EQUIPMENT
|
TESTING CIRCUITS
39
What values are displayed on a vectorscope?
UV
40
The Luminance signal is also known as?
Y
41
When calibrating a picture monitor which of the following buttons would assist you the most?
BLUE ONLY
42
Which of the following should be avoided in a grading suite or an on-line edit suit?
COLOURFUL POSTERS ADVERTISING SCI-FI FILMS
COLOURFUL WALLS
COLOUR CHANGING LED LIGHTING
WINDOWS
43
How can a diagnosis of colour blindness effect the roles you can take in the film and television industries?
IT WOULD NOT BE SENSIBLE, OR EVEN POSSIBLE, TO TAKE ON A ROLE THAT INVOLVES THE CRITICAL ANALYSIS OF COLOUR CONTENT IN PICTURES
44
Link the grades of picture monitor to their uses:
GRADE 1 OR REFERENCE - EXCELLENT FOR ASSESSING PICTURE QUALITY, ESPECIALLY COLOUR CONTENT
GRADE 2 - ACCEPTABLE FOR ASSESSING PICTURE QUALITY BUT NOT IDEAL FOR USE IN A GRADING SUITE
NON GRADED - GOOD ENOUGH TO GIVE THE USER CONFIDENCE THE PICTURES EXIST
45
Which of the following are not assessed using a picture monitor?
SWEARING
46
Rec.601 is the ITU’s recommendation for what?
SD VIDEO
47
Which of the following are credible reasons, for a member of technical staff, to monitor video?
TO CHECK SIGNALS ARE WITHIN THE TECHNICAL SPECIFICATIONS
48
A waveform monitor is best described as a device used to measure…
THE LUMINANCE LEVEL
49
A vectorscope is best described as a device used to measure…
THE AMOUNT OF COLOUR IN A PICTURE
50
Match the characteristics of the image sensors (CCD):
STROBING
51
Match the characteristics of the image sensors (CMOS):
JELLY EFFECT
52
When is the tally light on a camera red?
WHEN THE CAMERA IS “ON-AIR” OR RECORDING
53
What is the arrow pointing at (GRAPH)?
MAXIMUM WHITE LEVEL
54
Within the context of broadcast television, what do the letters CCU stand for?
CAMERA CONTROL UNIT
55
Why do cameras in a multi-camera environment, need to be “lined-up”?
TO ADHERE TO BROADCAST STANDARDS
SO THE CAMERA OUTPUTS MATCH EACH OTHER
56
T/F - Gregory’s hole is when pictures disappear due to a broken camera cable.
FALSE
57
The sensor/s inside a digital video camera will capture specific colours, which colours?
RED
GREEN
BLUE
58
What does the acronym PsF stand for?
PROGRESSIVE SEGMENTED FRAME
59
Which chart is used to line-up cameras at the start of a multi-camera studio session (A,B,C,D)?
C - BLACK AND WHITE
60
T/F - The white area of a TV studio camera line-up chart is as white as a piece of pure white paper.
FALSE
61
When considering Y’UV values, which of the following statements is correct (black and white)?
NEITHER WHITE NOR BLACK ARE COLOURS
62
T/F - An LED light, that appears white to the human eye, is good enough quality to use as a source of white light on a high-end commercial shoot
FALSE
63
AES/EBU (AES3) is a standard for what?
DIGITAL AUDIO
64
Match the following TLCI grades to the quality of light (Source R.137)
100 - PERFECT
80 - EASY TO GET MOST COLOURS RIGHT
50 - HARD TO GET MUCH RIGHT
0 - TOO HARD, NOT WORTH TRYING
65
In the context of television lighting, what does TLCI stand for?
TELEVISION LIGHTING CONSISTENCY INDEX
66
Which of the following statements are true:
- Tri-coloured led lighting does not generate full spectrum light
- LED lighting is popular because it runs at a cooler operating temperature than tungsten
- LED lighting is only good for news programmes
TRI-COLOURED LED LIGHTING DOES NOT GENERATE FULL SPECTRUM LIGHT
LED LIGHTING IS POPULAR BECAUSE IT RUNS AT A COOLER OPERATING TEMPERATURE THAN TUNGSTEN
67
Within the context of a television studio, what does the acronym OCP stand for?
OPERATIONAL CONTROL PANEL
68
Occasionally, viewers complain about...
ADVERTS SOUNDING LOUDER THAN PROGRAMMES
69
Which meter do you need to use when mixing audio for broadcast?
LOUDNESS
70
What does an increase of 6dB represent?
THE AUDIO IS TWICE THE LEVEL
71
Radio microphones, as used by broadcasters, are...
CONVENIENT
72
The recommended level for audio line-up tone for the major UK TV broadcasters is?
-18dBFS
73
Phantom power is provided by:
FEEDING 48V UP A BALANCED CABLE
74
Generally, audio recorded too high will be:
DISTORTED
75
When talking about audio signals levels…
MIC LEVEL WILL BE LOWER THAN LINE LEVEL
76
When using R.128, the required average level of a programme should be?
-23LUFS
77
Balanced cables prevent:
INTERFERENCE FROM BEING RECORDED
78
Thinking about RAID. Typically how many drives can fail before data is lost?
RAID 0 - 0
RAID 5 - 1
RAID 6 - 2
79
Which country uses drop-frame timecode?
USA
80
Can you use the monitoring meters inside Avid Media and Adobe Premiere Pro to measure signal levels?
YES BUT JUST USE THEM AS A GUIDE
81
VHS videotape was:
NOT A BROADCAST QUALITY FORMAT
82
What timecode does a TV programme start at?
10:00:00:00
83
Which of the following can be visible on analogue videotape?
SCRATCHES
HEAD-SWITCHING
QUALITY LOSS OVER MULTIPLE GENERATIONS
DROPOUT
84
How many video tracks does a video tape have?
1
85
Which of the following are not videotape formats?
- D4
- D1
- D2
- D3
- D5
- BETCAM-SR
- BETACAM-SP
D4
BETACAM-SR
86
Typically what size storage does a DVD offer?
4.7GB
87
What are the following (H.264 and Quicktime)?
```
H.264 = ESSENCE
QUICKTIME = WRAPPER
```
88
Transcoding is converting…
A FILE FROM ONE CODEC TO ANOTHER
89
Temporal redundancy is…
GETTING RID OF REPEATED DATA IN A SERIES OF FRAMES
90
Which codec is not based on MPEG4?
DV-CAM
91
What is the approximate data rate for an HD SDI stream?
1.2GBPS
92
What will a long GOP contain?
I-FRAMES, P-FRAMES AND B-FRAMES
93
Which is the odd one out:
H.264
MXF
AVC-intra
DNxHD
MXF
94
Memory cards are…
EASY TO LOOSE
CHEAP TO REPLACE
EXPENSIVE TO FILL
95
What information is the most valuable to the ingest operator when setting up a project?
THE TECHNICAL SPECIFICATIONS OF THE PROGRAMME
96
When multiple editors are working on a programme which of the following are credible options?
Make one project per editor
Put shared media in a shared project and unique material in individual projects
Ingest the media to separate projects
(ALL OF THE ABOVE)
MAKE ONE PROJECT PER EDITOR
PUT SHARED MEDIA IN A SHARED PROJECT AND UNIQUE MATERIAL IN INDIVIDUAL PROJECTS
INGEST THE MEDIA TO SEPARATE PROJECTS
97
T/F it is wise to change the file name on the camera card to something more sensible before the ingest process starts?
For example: 00001.mts to Day 4 - Cam 1 - Card 1
FALSE
98
Which of the following questions does not need to be asked at the beginning of a project by the ingest operator?
WHAT IS THE DELIVERY DATE
99
After a long day’s shooting it is recommended that you…
MAKE A BACK UP OF THE CAMERA CARDS BY COPYING THEM TO A SAFE PLACE
100
During a shoot you can easily log the shots being filmed if…
THE CAMERA RECORDS TOD T/C
101
Which of the following statements is not true?
- Processes need to be efficient
- Film and TV content is cheap to make
- Film and TV content is expensive to make
- Editing is expensive
FILM AND TV CONTENT IS CHEAP TO MAKE
102
Before handing a project to an editor the ingest operator or assistant editor should…
ASK THE EDITOR HOW THEY’D LIKE THE FILES NAMED
103
What’s the least you should write on a memory card?
A UNIQUE CARD NUMBER
104
Which of the following could trigger PSE?
- Bright red pictures
- Dark green pictures
- Fast cuts
- More than three flashes per second
- Patterns - more than 5 light/dark stripes
FAST CUTS
PATTERNS - MORE THAN 5 LIGHT/DARK STRIPES
MORE THAN 3 FLASHES PER SECOND
105
When performing a quality check which of the following is the trained operator not interested in?
DIFFICULT TO UNDERSTAND REGIONAL ACCENTS
106
Why would this image fail a quality check?
| Only Fools & Horses
THE IMAGE IS 4:3 BUT IS BEING STRETCHED TO BE DISPLAYED IN A 16:9 FRAME
107
UK broadcasters require HD programmes to be delivered using which codec and data rate?
AVC-INTRA 100MBPS
108
What is wrong with this image? (Girl on stage)
THE PEAK WHITES ARE BEING INCORRECTLY PROCESSED
109
On a transmission file the timecode of the line-up is most likely to start at:
09:59:30:00
110
On a transmission file the timecode, where the programme starts, will be:
10:00:00:00
111
Quality checks can be performed by…
TRAINED PEOPLE OR COMPUTERS
112
When performing a quality check the technical quality has to be assessed. Which of the following statements is the most accurate?
TECHNICAL QUALITY IS USUALLY OBJECTIVE BUT CAN BE SUBJECTIVE
113
With reference to technical delivery standards in the UK, which statement is true?
THE MAJOR UK BROADCASTERS WORK TOGETHER TO CREATE A SINGLE TECHNICAL STANDARD
114
Which of the following statements is most correct? (Dynamic range)
THE DYNAMIC RANGE OF HDR IS VERY SIMILAR TO THAT OF THE HUMAN EYE
115
What are the correct values for the resolutions of 4K and UHD?
```
4K = 4096 x 2160
UHD = 3840 x 2160
```
116
If, when playing back 4K or UHD media in Avid the material fails to playback satisfactorily what steps can you take to improve the playback?
MAKE PROXY FILES OF THE SOURCE MATERIAL
REDUCE THE PLAYBACK RESOLUTION
117
Which of the following options lists the frame rates for UHD content on UK TV?
25FPS OR 50FPS
118
What is the ITU’s standard for UHD TV?
REC.2020
