Advanced Home Theatre

Question 1

What is the advantage of MPEG?

Answer 1

Less data for the same quality picture

Question 2

What are the 3 kinds of encoded pictures in MPEG?

Answer 2

I, P, and B pictures

Question 3

What does the “I” in I Picture mean?

Answer 3

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

Question 4

What does the “P” in P Picture mean?

Answer 4

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

Question 5

What does the “B” in B Picture mean?

Answer 5

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

Question 6

What is a HTIB?

Answer 6

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

Question 7

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

Answer 7

The customer

Question 8

What is digital compression?

Answer 8

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

Question 9

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

Answer 9

Aspect Ratio

Question 10

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

Answer 10

DVI

Question 11

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

Answer 11

HDMI

Question 12

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

Answer 12

Composite

Question 13

In component cables, what cable carries luminance information?

Answer 13

Green

Question 14

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

Answer 14

Blue

Question 15

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

Answer 15

Red

Question 16

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

Answer 16

Chrominance and Luminance

Question 17

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

Answer 17

VGA

Question 18

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

Answer 18

540

Question 19

How many vertical lines are in a 720p picture?

Answer 19

1280

Question 20

What is considered the minimum resolution for HD?

Answer 20

720P

Question 21

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

Answer 21

MPEG2

Question 22

Method used to digitally represent analog audio signals

Answer 22

PCM

Question 23

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

Answer 23

HDMI (or DVI)

Question 24

What does the .1 represent in Dolby Digital 5.1?

Answer 24

The subwoofer channel.

Question 25

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

Answer 25

Letterboxing

Question 26

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

Answer 26

Pillarboxing

Question 27

What does progressive scan mean?

Answer 27

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

Question 28

What does interlaced mean?

Answer 28

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

Question 29

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

Answer 29

TOSLINK

Question 30

How many pins are in an HDMI connector?

Answer 30

19

Question 31

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

Answer 31

29

Question 32

How many pins are in a VGA connector?

Answer 32

15

Question 33

How many total speakers are in a 7.2 setup?

Answer 33

9

Question 34

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

Answer 34

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

Question 35

Between what devices would the preamplifier reside?

Answer 35

The STB and the amplifier

Question 36

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

Answer 36

Static video information

Question 37

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

Answer 37

CODEC

Question 38

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

Answer 38

12

Question 39

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

Answer 39

S-Video

Question 40

What is the aspect ratio for HDTV?

Answer 40

16:9

Question 41

What format is associated with EDTV?

Answer 41

480p

Question 42

What are optical audio cables made of?

Answer 42

Plastic

Question 43

What is removed from digital video signals to compress them?

Answer 43

Static video information

Question 44

What company developed ACP?

Answer 44

Macrovision

Question 45

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

Answer 45

THX

Question 46

What is the horizontal resolution of 1080p?

Answer 46

1920

Question 47

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?

Answer 47

Subwoofer

Question 48

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

Answer 48

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

Question 49

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

Answer 49

To bring movie quality sound into your home theater. | Document ID POL1055