Advanced Home Theater Flashcards

1
Q

What is the advantage of MPEG?

A

Less data for the same quality picture

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2
Q

What are the 3 kinds of encoded pictures in MPEG?

A

I, P, and B pictures

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3
Q

What does the “I” in I Picture mean?

A

Intra-coded, a single compressed picture that contains all the spatial information of a video picture

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4
Q

What does the “P” in P Picture mean?

A

P is a predictive picture, based on the nearest previous I or P picture

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5
Q

What does the “B” in B Picture mean?

A

Bi-directional picture, uses both past and
subsequent pictures as references to calculate the
compressed picture data.

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6
Q

What is a HTIB?

A

Home Theater in a box, a complete matched surround sound system packaged in a single box

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7
Q

Who is responsible for configuration and setup of a home theater system?

A

The customer

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8
Q

What is digital compression?

A

Reducing the quantity of data while retaining as much quality as possible

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9
Q

What term describes the proportion of screen width to screen height?

A

Aspect Ratio

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10
Q

What type of cable carries a digital picture signal, but no audio?

A

DVI

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11
Q

What type of cable carries a digital picture signal as well as digital audio?

A

HDMI

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12
Q

What type of cable combines all video information into a single line level signal?

A

Composite

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13
Q

In component cables, what cable carries luminance information?

A

Green

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14
Q

In component cables, what cable carries the information relating to the difference between blue and luminance?

A

Blue

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15
Q

In component cables, what cable carries the information relating to the difference between red and luminance?

A

Red

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16
Q

What are the 2 types of signals carried by an S-Video cable?

A

Chrominance and luminance

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17
Q

This is an analog cable type commonly used with computer monitors.

A

VGA

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18
Q

In an 1080i picture, how many lines are drawn every 1/60th of a second?

A

540

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19
Q

How many vertical lines are in a 720p picture?

A

1280

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20
Q

What is considered the minimum resolution for HD?

A

720p

21
Q

What compression protocol does Comcast use for video in their set top boxes?

A

MPEG2

22
Q

Method used to digitally represent analog audio signals

A

PCM

23
Q

What cable type that is compatible with our equipment offers the highest picture quality?

A

HDMI (or DVI)

24
Q

What does the .1 represent in Dolby Digital 5.1?

A

The subwoofer channel.

25
Q

Displaying a widescreen picture on a standard (4:3) display will result in black bars called what?

A

Letterboxing

26
Q

Displaying a standard picture on a widescreen (16:9) display will result in black bars called what?

A

Pillarboxing

27
Q

What does progressive scan mean?

A

All lines in a picture are drawn every time the picture is refreshed

28
Q

What does interlaced mean?

A

Every other line in a picture is drawn every time the picture is refreshed

29
Q

What is the term for the fiber optic cable used to transmit digital audio?

A

TOSLINK

30
Q

How many pins are in an HDMI connector?

A

19

31
Q

What is the maximum number of pins in a DVI connector?

A

29

32
Q

How many pins are in a VGA connector?

A

15

33
Q

How many total speakers are in a 7.2 setup?

A

9

34
Q

What are all of the channels in a 7.1 home theater setup?

A

Center channel, front left, front right, surround left, surround right, rear left, rear right, and subwoofer

35
Q

Between what devices would the preamplifier reside?

A

The STB and the amplifier

36
Q

What is removed from the video signal to compress digital video?

A

Static video information

37
Q

What is a device or software that enables compression and/or decompression?

A

CODEC

38
Q

How many pictures, or frames, are there in an MPEG GOP?

A

12

39
Q

What type of in home video connection carries information over 4 separate wires?

A

S-Video

40
Q

What is the aspect ratio for HDTV?

A

16:9

41
Q

What format is associated with EDTV?

A

480p

42
Q

What are optical audio cables made of?

A

Plastic

43
Q

What is removed from digital video signals to compress them?

A

Static video information

44
Q

What company developed ACP?

A

Macrovision

45
Q

Name the High Fidelity audiovisual reproduction standard used in movie theaters, screening rooms, home theater, etc.

A

THX

46
Q

What is the horizontal resolution of 1080p?

A

1920

47
Q

What type of Speaker in a Home Theater System is used for powerful low-frequency effects that are felt more than heard in movie theaters?

A

Subwoofer

48
Q

What are the four Channels used in a Dolby Pro-Logic System?

A

Front left, center, front right and a mono surround channel that is usually split between two rear speakers. (Einstein Document ID HOW3321

49
Q

What is the benefit of having Dolby Digital Surround Sound as part of your Home Entertainment System?

A

To Bring movie quality sound into your home theater.

Document ID POL1055