Term
| Normal standard definition TV pictures are composed of ___ horizontal lines. |
|
Definition
|
|
Term
| The 1080i format utilizes two sequential fields of ___ lines each |
|
Definition
|
|
Term
| Interlaced Scanning produces ___ fields or ___ complete frames every second |
|
Definition
|
|
Term
| This minimal amount of pixels is required for a good quality picture. |
|
Definition
| 300,000 / 350,000 / 100,000 |
|
|
Term
| Three video elements (foundations) that comprise a home theater system. |
|
Definition
| Video Quality, Video Formats & Video Equipment |
|
|
Term
| The method of displaying television picture in which the picture is displayed in a single pass |
|
Definition
|
|
Term
| Progressive Scanning flashes the complete picture on-screen in ___ of a second. |
|
Definition
|
|
Term
| At, or above ___ frames per second, the human eye/brain perceives a constant light source, regardless of other factors. |
|
Definition
|
|
Term
| Two methods for displaying widescreen format on a non-widescreen TV. (16:9 on a 4:3) |
|
Definition
|
|
Term
| The traditional name for 4:3 aspect ratio. |
|
Definition
|
|
Term
| Name for 16:9 aspect ratio. |
|
Definition
|
|
Term
| Name for 1.66:1 aspect ratio used mainly for animation and European movies. |
|
Definition
|
|
Term
| Name for 1.85:1 aspect ratio used by most American movies today. |
|
Definition
| VistaVision or Academy Flat |
|
|
Term
| Name for 2.35:1 aspect ratio used for epic movies and musicals. (Star Wars) |
|
Definition
| Cinemascope or Technirama |
|
|
Term
| Name for 2.60:1 aspect ratio used for Ultra-Widescreen format. (How the West Was Won) |
|
Definition
|
|
Term
| Name 2.76:1 aspect ratio used for Ultra-Widescreen format. (Ben Hur) |
|
Definition
|
|
Term
| This method involves cropping off the sides of an image area to fit 4:3 screens. |
|
Definition
|
|
Term
| Pan & Scan can cut up to __% of the total picture area. |
|
Definition
|
|
Term
| This method displays the widescreen picture on a 4:3 screen at its full width with black bars filling the screen above and below the picture. |
|
Definition
|
|
Term
| The 16:9 aspect ratio minimizes the letterbox effect although some letterboxing is still required for movies shot at the ___ & ___ ratios. |
|
Definition
|
|
Term
| The opposite of letterboxing is ___. |
|
Definition
| Pillarboxing (also known as Windowpaning) |
|
|
Term
| To preserve the original aspect ratio of 4:3 on a 16:9 screen, resulting in black bars on either side of the picture is? |
|
Definition
|
|
Term
| Some TVs feature a smart expand mode which stretches only the ___ of the picture to fill the entire screen resulting in a somewhat less distorted picture. |
|
Definition
|
|
Term
| This refers to an image surrounded by black bars top, bottom and sides. Usually caused by a broadcast in letterbox format on a widescreen TV, the override setting is turned off, or broadcasters include the bars on either side of a widescreen broadcast. |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Direct view CRT TVs have a ___ large picture tube. |
|
Definition
|
|
Term
| CRT based rear and front projection TVs use three CRTs. One for each of these colors. |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Liquid Crystal on Silicone |
|
|
Term
| D-ILA, HD-ILA (JVC) and SXRD (Sony) are other names for ___ |
|
Definition
|
|
Term
| Ionized gas emits high-frequency UV rays which stimulate the cells' phosphors, causing them to glow, which creates this TVs image. |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| High Definition Multimedia Interface |
|
|
Term
| An HDMI cable uses this many pins. |
|
Definition
|
|
Term
| HDMI has a bandwidth of ___. |
|
Definition
|
|
Term
| Scalers change the ___ of an image to fit the display device without change the image's ___. |
|
Definition
|
|
Term
| These enable multiple video and audio signals to be selected and sent to one or more display devices. |
|
Definition
|
|
Term
| These alter and manipulate a signal in several ways such as, convert composite to S-Video, amplify or peak a signal, completely reformat a signal. |
|
Definition
|
|
Term
| When positioning speakers, try to position all front and surround speakers at the same ___. |
|
Definition
|
|
Term
| The ideal height for all speakers is sitting ear level. If not possible, strive for no more than ___ degrees off the horizontal axis. |
|
Definition
|
|
Term
| The center speaker should be placed... |
|
Definition
| directly above or below the TV. |
|
|
Term
| Left and right speakers should be placed... |
|
Definition
| immediately to the left & right of the TV screen. |
|
|
Term
| In a 5.1 surround system, the surround speakers should be place to the ___ of the main listening area, not the ___. |
|
Definition
|
|
Term
| In a 7.1 surround system, the two rear speakers should be behind the viewer and slightly to the left and right, between ___ and ___ from the front of the listener. |
|
Definition
|
|
Term
| In a 6.1 surround system, the one rear speaker should be placed... |
|
Definition
| directly behind the viewer. |
|
|
Term
| The subwoofer should be placed where? |
|
Definition
| Subwoofers are non directional, so it can be placed anywhere. |
|
|
Term
| In general, Home theater problems will be one of these problems. |
|
Definition
| Picture, Audio, Remote control, Power and signal flow. |
|
|
Term
| This works by separating successive pictures into two types of video information - that which stays the same and that which changes. |
|
Definition
|
|
Term
|
Definition
| Moving Pictures Experts Group |
|
|
Term
| MPEG is separated into 3 application types. |
|
Definition
| MPEG-1 (Video CDs), MPEG-2 (DVD, CATV, HDTV), MPEG-4 (internet streaming, video on cell phones, interactive TV) |
|
|
Term
| Why is there not an MPEG-3? |
|
Definition
| MPEG-3 was abandoned after MPEG-2 was deemed sufficient at the time for HDTV. |
|
|
Term
| An MPEG video is a sequence of three kinds of encoded pictures... |
|
Definition
| I-Picture (Intra-coded), P-pictures (Predictive) and B-pictures (Bi-directional) |
|
|
Term
| In a normal MPEG sequence there are how many frames? |
|
Definition
|
|
Term
| An I-Picture is encoded as a single free standing image, with no reference to preceding or subsequent pictures. All the pictures after an I-picture and before the next I-picture are called a ___. |
|
Definition
|
|
Term
| These pictures use both past and subsequent pictures as references to calculate the compressed picture data. |
|
Definition
| Bi-Directional (B-pictures) |
|
|
Term
|
Definition
| Digital Transmission Content Protection |
|
|
Term
| Defines a cryptographic protocol for protecting audio/video entertainment content from illegal copying, intercepting and tampering. |
|
Definition
| DTCP (Digital Transmission Content Protection) |
|
|
Term
|
Definition
| Digital Transmission Licensing Administrator |
|
|
Term
| This company, that developed ACP, offers content protection, digital rights management, and software licensing solutions. |
|
Definition
|
|
Term
|
Definition
| Analog Copying and Piracy |
|
|
Term
| The protection of content by requiring certain criteria to be met before granting access to content. |
|
Definition
|
|
Term
| Two names for an optical SPDIF connection. |
|
Definition
|
|
Term
|
Definition
| Sony Phillips Digital Interconnect Format |
|
|
Term
| Creates pictures by shooting an electronic beam at a phosphor-coated glass screen. |
|
Definition
|
|
Term
| Projects light from microscopic mirrors onto big, widescreen, rear projection TVs (or micro displays). |
|
Definition
| Digital Light Processing (DLP) |
|
|
Term
| Creates images by passing light through a layer of liquid crystal sandwiched between two panes of polarized glass. |
|
Definition
| Liquid Crystal Display (LCD) |
|
|
Term
| A more recent technology, this differs from DLP & LCD, in that it is both reflective and trans missive. |
|
Definition
| Liquid Crystal on Silicon (LCoS) |
|
|
Term
| S-Video contains this many pins. |
|
Definition
|
|
Term
|
Definition
| Multi-Channel Television Sound |
|
|
Term
|
Definition
|
|
Term
| Decoder that allows TV viewer to receive an additional audio track, provided the program being watched supports it. |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Latent or out of sync audio is often called this problem. |
|
Definition
|
|
Term
| If a customer uses headphones for listening and the STB is hooked up via HDMI, the headphones should be connected where? |
|
Definition
| At the TVs audio output to prevent audio delay (lip sync) |
|
|
Term
| List the three types of audio quality. |
|
Definition
|
|
Term
| This is a certification for home theater equipment and configurations. |
|
Definition
|
|
Term
| What are 5 typical audio cables used in home theater. |
|
Definition
| Optical SPDIF, Coaxial SPDIF, USB, RCA connectors (left-right) and HDMI |
|
|
Term
| This audio connection is typically used for 600 ohm line level audio. |
|
Definition
| Left-Right Stereo cable (RCA connectors) |
|
|
Term
| Coaxial SPDIF connectors are often marked by this color |
|
Definition
|
|
Term
| This optical rectangular connector is by far the most common digital audio connector. |
|
Definition
|
|
Term
|
Definition
| Electronic Industries Association of Japan |
|
|
Term
|
Definition
| Japan Electronics and Information Technology Industries Association |
|
|
Term
| The optical signal of an EIAJ/JEITA connector has a peak wavelength of ___. |
|
Definition
|
|
Term
| In reference to the traditional line level audio cable using the RCA stereo connectors, the stereo plug consists of a central pin measuring approximately ___ in diameter and an outer shell (called the sleeve) measuring approximately ___ in diameter. |
|
Definition
|
|
Term
| Audio signals are carried on a copper wire surrounded by an insulating PVC jacket. The wire feeds a positive electrical current to the pins of the connectors, while the sleeve serves as a shield or ground. |
|
Definition
|
|
Term
| The ratio of the width of a television or motion picture to its height. |
|
Definition
|
|
Term
| What are the two most important standards when assessing an HDTV system? |
|
Definition
| Aspect Ratio, Scanning Rates |
|
|
Term
| A good quality picture needs at least this amount of pixels. |
|
Definition
300,000 (student manual)
350,000 (leader guide)
1,000,000 (new guide) |
|
|
Term
| Within display scanning, each horizontal scan starts below the previous one with its downward movement controlled by the ___. |
|
Definition
|
|
Term
| The time it takes for pixels to be illuminated across the screen from left to right. Usually expressed in kilohertz, it describes the number of horizontal lines displayed per second. |
|
Definition
|
|
Term
| More commonly referred to as refresh rate, this is the number of times per second that the scan cycle is moved from the bottom right to the top left of the display where the cycle is repeated. |
|
Definition
|
|
Term
| About how many pixels are needed for a good HD picture? |
|
Definition
|
|
Term
| Originally derived from the days of film and motion pictures, it is a single unique image. |
|
Definition
|
|
Term
| Visible fading of luminance between scan cycles on video displays. |
|
Definition
|
|
Term
| Displays operating at __Hz and above are preferred due to reduced flicker. |
|
Definition
|
|
Term
| EDTV can be in either the 4:3 or 16:9 aspect ratio for a resolution of 480x640 or ___ pixels. |
|
Definition
|
|
Term
| The five types of digital video formats. |
|
Definition
| SDTV 480i, EDTV 480p, HDTV 720p, 1080i, 1080p |
|
|
Term
| What are 6 technologies used to display video? |
|
Definition
| Cathrode Ray Tube (CRT), Digital Light Processing (DLP), Liquid Crystal Display (LCD), LCD with LED backlight, Liquid Crystal on Silicone (LCoS), Plasma |
|
|
Term
| What are the four display types? |
|
Definition
| Direct-view, Front projection, Rear projection, Flat panel |
|
|
Term
| Besides CRT technology, what other 2 display technologies are often considered to be direct-view? |
|
Definition
|
|
Term
| Front Projection TVs are grouped into two primary categories: |
|
Definition
| CRT and Micro-Display (DLP, LCD, PDP) |
|
|
Term
|
Definition
|
|
Term
| These are magnets used in CRT televisions and come in Red, Blue, and Green. |
|
Definition
|
|
Term
| Plasma TVs were vulnerable to screen burn in pre-(year) |
|
Definition
|
|
Term
| Composite video contains color and luminence information modulated onto a single ___ Mhz carrier |
|
Definition
|
|
Term
| The chrominance signal is greatly affected by group delay resulting in colors that arrive at varying times during the scanning process. The offset registration has been compared to the color registration error common in old newspaper comics. |
|
Definition
|
|
Term
| RF or "Radio Frequency" remote controls are just now launching within Comcast markets. The newest Comcast RF/IR remote is what model? |
|
Definition
|
|
Term
| As it pertains to home theater, the three main steps involved in site preparation are: |
|
Definition
| Determining customer expectations, Analyzing the current setup, Planning the signal flow. |
|
|
Term
| If you are using one of "these" boxes, you should also be using the XR-2 remote |
|
Definition
| Spectrum X1 OSG 3.0, Barcelona OSG 2.0, HD-uHDTA |
|
|
Term
| On the XR-2 remote, a green LED at the top indicates "this" while a red LED indicates "this" |
|
Definition
| Green idicates RF mode, Red indicates Infrared mode |
|
|
Term
| The RF XR-2 remote will control devices on these twoplatforms |
|
Definition
|
|
Term
| A ground loop issue is basically the result of |
|
Definition
| a 60 cycle AC component in the audio connection |
|
|
Term
| How many pixels make up a 720p picture? |
|
Definition
|
|
Term
| How many pixels make up a 1080i picture? |
|
Definition
|
|
Term
| What are 6 technologies used to display video? |
|
Definition
| Cathrode Ray Tube (CRT), Digital Light Processing (DLP), Liquid Crystal Display (LCD), LCD with LED backlight, Liquid Crystal on Silicone (LCoS), Plasma |
|
|
Term
| What are the four display types? |
|
Definition
| Direct-view, Front projection, Rear projection, Flat panel |
|
|
Term
| Besides CRT technology, what other 2 display technologies are often considered to be direct-view? |
|
Definition
|
|
