Term
| An electrical current that reverses direction in a circuit at regular intervals |
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Definition
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Term
| Electrical component stores electrical charge, used as filters to convert AC to DC |
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Definition
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Term
| Substance capable of being a medium for the transmission of certain forces. Especially heat or electricity |
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Definition
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Term
| Flow of electrical charge, measured in amps |
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Term
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Definition
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Term
| A magnet with coiled wire around a soft iron core, magnetized when current flow through it. |
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Term
| Subatomic particle with negative charge. The more mobile the greater its electrical conductance. |
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Definition
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Term
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Definition
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Term
| Resistance in an electrical circuit to the flow of an alternating current, analogous to the actual electrical resistance to a direct current, being the rtaio of electromotive force to the current expressed in Ohms and symbolized as (Z) |
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Definition
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Term
| Nuetral subatomic particle |
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Definition
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Term
| Rate at which work is done, expressed as the amount of work per unit time, commonly measured in units such as watt (W), and symbolized by (P) |
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Definition
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Term
| Subatomic particle with positive charge |
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Definition
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Term
| Material's opposition to the flow of electrical circuit. Measured in Ohms and symbolized by (R). |
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Definition
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Term
| Component that adds resistance to an electrical circuit |
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Definition
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Term
| Structural or procedural diagram |
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Definition
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Term
| A device used to transfer electrical energy via a magnetic field from one circuit to another thorugh a pair of wired coils |
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Definition
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Term
| Small electrical device containing a semi conductor and having at least three electrical contacts; used in a circuit as an amplifier, detector or switch. |
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Definition
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Term
| The difference in pressure between two points, which can result in an electrical current flowing between them if they become part of a circuit |
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Definition
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Term
| All have ___ three particle |
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Definition
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Term
| Natural magnets in the earth are called |
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Definition
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Term
| Which particles are found in the nucleus of atoms? |
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Definition
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Term
| Magnetic field will attract aparticle with a ___ charge |
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Definition
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Term
| Magnetic fields repel particles with ____ charge |
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Definition
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Term
All magnetic fields have two poles
true/false |
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Definition
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Term
| Stream of moving electrons are called |
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Definition
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Term
| Electrical current that flows in two directions? |
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Definition
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Term
| Electrical current that flws in one direction |
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Definition
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Term
| Easiest type of current to produce |
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Definition
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Term
| Which property of elecricity is measured in watts? |
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Definition
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Term
| Which property of electricity is measured in amps? |
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Definition
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Term
| Which property of electricity is measured in volts? |
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Definition
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Term
| Which property of DC electricity is measured in ohms? |
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Definition
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Term
| Which property of AC electricity is measured in Ohms? |
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Definition
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Term
| _____ are used to step AC voltage up or down |
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Definition
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Term
| ____ are used in in a circuit to serve as amplifiers, detectors or switches |
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Definition
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Term
| ____ are used to temporarily store electricity in a circuit |
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Definition
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Term
| Method for creating colors by blending different frequencies oflight |
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Definition
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Term
| Maximum displacement of a periodic wave. percieved as brightness of light. |
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Definition
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Term
| Basic unit of luminous intensity equal to 1/60 of the luminous intensity per square centimeter of a blackbody radiating at the temperature of 2,046 degrees Kelvin. |
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Definition
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Term
| Property of light that allows perception of hues and tints dependant on the wavelength oflight |
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Definition
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Term
| Entire range of radiation |
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Definition
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Term
| Electromagnetic spectrum in order of decreacing frequencies? |
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Definition
| gamma, x-rays, ultraviolet, visible light, infrared, microwaves, radio waves |
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Term
| amount of illumination produced by a standard candle at a distance of one foot |
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Definition
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Term
| Unit of luminous flux equal to amount of light passing through a solid angle by a source of one candela intensity radiating equally in all directions. |
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Definition
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Term
| Unit of illumionation, equal to one lumen per square meter |
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Definition
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Term
| discrete particle having zero mass, no electrical charge, and anindefinately long lifetime |
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Definition
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Term
| What is the speed of light? |
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Definition
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Term
| Method for creating colors by light passing through or reflecting off a filter or pigment that absorbs certain wavelengths and transmits or reflects others. |
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Definition
| Subtractive color process. |
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Term
| Light can only be detected by its effects on |
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Definition
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Term
| Light can be characterized by its |
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Definition
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Term
| Spectrometer measures what aspect oflight? |
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Definition
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Term
| Whose theory of electromagnetism stated that electromagnetic waves are equally divided between an electric field and a magnetic field |
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Definition
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Term
| Electromagnetic radiation is only detected when it is intercepted and then transformed into another form of |
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Definition
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Term
| Light travels in an infinite number of straight lined called |
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Definition
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Term
| Speed oflight was first measured by |
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Definition
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Term
| Electromagnetic spectrum is comprised of ____ parts |
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Definition
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Term
| Everyday items such as pagers and cell phones use |
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Definition
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Term
| There are ___ colors that comprise the spectrum of light |
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Definition
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Term
| Most common source of ultraviolet rays? |
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Definition
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Term
| ____ is the primary agent responsible for sunburns |
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Definition
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Term
| ___ are a type of EM radiation that have very short wavelengths and high frequencies which allow them to move around molecules |
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Definition
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Term
| ___ are emitted by exploding stars in space |
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Definition
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Term
| What color has the lowest frequency of any visible light? |
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Definition
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Term
| Which color has the higest frequency of any visible light? |
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Definition
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Term
| Brightness or intensity of color depends on its |
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Definition
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Term
| High energy charged particles that travel through space at nearly the speed oflight |
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Definition
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Term
| One of the easiest ways to create electromagnetic radiation |
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Definition
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Term
| Most output of a commonlighting instrument |
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Definition
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Term
| Measurement of light amplitude falls into two categories |
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Definition
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Term
| Lumen is a measurement of what kind of light? |
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Definition
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Term
| ____ is an illumination of one lumen per square meter. |
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Definition
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Term
| ___ is a measure of luminous intensity. |
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Definition
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Term
| One Lumen per square foot equals |
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Definition
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Term
| ____ decreases in inverse proportion to the square of the distance |
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Definition
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Term
| Surface reflects all wavelegnths it appears |
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Definition
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Term
| Surface absorbs wavelengths it appears |
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Definition
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Term
| ___ is a property oflight, not an object itself |
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Definition
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Term
| ___ color process deals with reflected or filtered light |
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Definition
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Term
| ___ color process deals with mixing of direct light |
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Definition
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Term
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Definition
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Term
| subtractive color process magenta is created by |
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Definition
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Term
| subtractive color process yellow is created by |
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Definition
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Term
| What color is the key color in the subtractive color process |
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Definition
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Term
| Short instrumental passage played between regular versus or choruses of songs |
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Definition
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Term
| Musical passage to break up repetitiveness |
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Definition
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Term
| Concluding passage to a piece of music |
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Definition
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Term
| Connector named filter Paul Neill Carl Concelman, is used for video |
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Definition
| BNC (Bayoneet-locking Connector) |
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Term
| A semiconductor tech used to build light-sensitive electronic devices such as cameras and image scanners. each chip consists of light sensitive photocells |
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Definition
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Term
| Vaccume tube in which a hot cathode emits electrons that are accelerated as a beam |
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Definition
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Term
| differecne between one color and a reference color of the same brightness and chromacity |
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Definition
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Term
| An all digital display tech, uses an optical semiconductor to recreate source material |
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Definition
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Term
| Device uses digital light processing (DLP) contains up to 1.3 million microscopic mirrors that are mounted on "Hinges" to allow them to move. The mirrors are on fifth the width of a human hair, and corrospond to one pixel onscreen. |
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Definition
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Term
| Threaded coaxial cable connector used with CATV (cable tv) it combines audi and video signals onto a single connector. |
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Definition
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Term
| Display used in flast tvs and laptops |
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Definition
| LCD (Liquid Crystal Display) |
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Term
| Brightness component of a video signal, ranging from very dim (dark) to very bright (dazzling) |
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Definition
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Term
| Body defining television video signal format used in USA |
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Definition
| NTSC (Nataional Television Standard Commitee) |
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Term
| Video signal format used in UK |
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Definition
| PAL (Phase alternating line) |
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Term
| electrically neutral, highly ionized gas comosed of ions, electrons, and neutral particles, used in phosphor based scren tech |
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Definition
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Term
| Plug/jack designed for use with coaxial cable, for frequency ranging from very lowest up to several mghtz |
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Definition
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Term
| Four pin connector, provides very high video quality, runs (luminace) and (chrominance) color info over seperate pins |
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Definition
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Term
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Definition
| SECAM (Sequential Couleur Avec Memoire) |
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Term
| Display standard for IBM PCs, with 640x480 pixels in 16 colors and a 4:3 aspect ratio. Also a text mode in 720x400. |
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Definition
| VGA (Video Graphics Array) |
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Term
| NTSC standard for creating video is a ____ electrical current |
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Definition
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Term
| Televison screen image is projected at ____ frames per second |
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Definition
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Term
| PAL standard is how many Htz? |
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Definition
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Term
| Standard television signal consists of how many parts? |
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Definition
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Term
| What are the 4 parts of a television signal? |
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Definition
| Luminance, Chrominance, Timing and Blanking, Audio |
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Term
| cameras for soundstage use in TV |
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Definition
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Term
| cameras that have seperate camera and VTR |
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Definition
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Term
| Cameras that have a camera and VTR ina single unit |
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Definition
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Term
| Proper name for imaging device found in a camera |
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Definition
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Term
| Video cameras imaging devices are comprised of ____ layers, which capture an image and convert it into an electrical signal |
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Definition
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Term
| light entering the camera body is split into three additive colors thorugh one of how many methods? |
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Definition
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Term
| method of color speration in cameras for consumers, not the best quality |
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Definition
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Term
| There are how many DTV formats total? |
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Definition
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Term
| Academy standard apect ratio is |
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Definition
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Term
| American Widescreen aspect is? |
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Definition
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Term
| Allows for seperate signals of component video |
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Definition
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Term
| Recording process where a waveform that is analogous to the original waveform is recorded |
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Definition
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Term
| Component of magnetic tape that consists of mylar or polyester strip, to which oxide is glued by the binder |
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Definition
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Term
| type of plug or fitting at the input or output of a device or cable. Balanced connectors employ three conductors (High low, ground) to convey a signal. |
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Definition
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Term
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Definition
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Term
| adhesive component of magentic tape, hold oxide on backing |
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Definition
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Term
| responsible for moving tape across the tape head at a constant accurate speed |
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Definition
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Term
| controls audio signal being sent to recorder |
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Definition
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Term
| controls amplitude of audio signal if it is too wide |
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Definition
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Term
| Microphone that operates on concept of two charged plates |
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Definition
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Term
| variety of time based signal processors that create distinct repetitions of sound |
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Definition
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Term
| controls dynamic range of audio signal, equalizers gates and comprssors |
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Definition
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Term
| responsible for recording ultra high frequency on tape which erases anything previously recorded |
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Definition
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Term
| dynamic signal processor that consist of frequency slective amplifiers. allow for alteration of frequency. |
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Definition
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Term
| negative copy of a record print made froma cetate, used to create positive copy |
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Definition
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Term
| variety of time based signal processors that replicate the phase/timing differecne of two identical audio signals being played at the same time |
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Definition
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Term
| dynamic signal processor that controls amplitude of an audio signal by allowing the signal to pass (open) or not allowing it to (closed) |
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Definition
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Term
| Tape speed is measured in this |
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Definition
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Term
| Adjusts amplitude levels of audio laving the console |
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Definition
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Term
| Third satge of recording, all material recorded is blended signal levels are assigned |
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Definition
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Term
| controls audiolevel being sent from recorder |
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Definition
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Term
| component of an audio console that allows for the selection of different sets of speakers you canlisten from |
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Definition
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Term
| Positive copy of a record, made fromt he father |
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Definition
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Term
| Ideal level of audio signal (odB) |
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Definition
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Term
| Second pahse of production, materialis added toprevious recordings |
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Definition
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Term
| Outside power source needed for condenser microphone |
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Definition
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Term
| One component of tape's transport system responsible formoving tape across heads at constant speed |
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Definition
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Term
| One of three tape heads, responsible for playing back recorded sound with maxikum fidelity. Used for mixing phase of recording |
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Definition
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Term
| Variety of time based signal processors that replicate accoustic reflection qualtities of rooms of varying sizes |
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Definition
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Term
| Audio info in the form of electricity is called? |
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Definition
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Term
| Path audio signal takes through peice of audio equipment |
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Definition
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Term
| Device used to alter audio signal as signal passes through |
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Definition
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Term
| amplitude difference between nominal level of an audio signal and the noise floor |
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Definition
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Term
| Negative copy of record made from mother |
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Definition
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Term
| Component of the tape machine's transport system that drives the left hand reel |
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Definition
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Term
| Part of tape heads, responsible for recording and playback simultaneous allowing overdubbing. |
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Definition
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Term
| Common type of balanced audio connector |
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Definition
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Term
| Component in tape machines transport that drives right side reel |
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Definition
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Term
| Signal based processor that control timing of an audio signal, includes reverbs flangers and delays |
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Definition
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Term
| Initial phase of prouction stage recording |
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Definition
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Term
| Device that converts one form of energy into another, makes acoustical energy to electrical energy |
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Definition
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Term
| Portion of tape recorder that moves tape from reel to reel |
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Definition
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Term
| Type of plug or fitting at the input or output of a device or cable. Employs two conductors (High and ground) to convey a sigfnal, RCA is an example |
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Definition
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Term
| common type of balanced audio connector |
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Definition
| XLR (Exchanging Line Receptacle) |
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Term
| When was digital audio tape introduced |
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Definition
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Term
| What invention brought down prices oflogic based devices for consumers |
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Definition
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Term
| Work with disc jockeys, radio staions by helping get specific types of music to the right people |
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Definition
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Term
| Transducer that converts acoustic energy to electircal energy |
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Definition
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Term
| Transducer that converts electrical energy to acoustical energy |
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Definition
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Term
| Transducer that converts electrical energy to magnetic energy |
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Definition
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Term
| tranducer that converts magnetic energy to electric energy |
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Definition
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Term
| Tranducer converts electrical energy tolight energy |
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Definition
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Term
| Operates on the principle of a coil wire attached to a diaphragm |
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Definition
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Term
| connectors employ three conductors |
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Definition
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