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Mobile Electronics Glossary of Terms and Definitions - I

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mobile Electronics Glossary - I
  IASCA - International Auto Sound Challenge Association
  ICE - Acronym for In Car Entertainment
  IIR Filter - (Infinite Impulse Response Filter) A digital filter employing a single stage, through which the signal is passed repeatedly to achieve the desired processing effect. Offers simplicity of design and lower cost than the FIR type.
  Image Rejection - The rejection of the same signals that can be received at two or more points on the dial of a tuner by a single radio station (ghost, images) . Image Rejection is expressed in decibels, the higher the number the better.
  Imaging - The reproduction of sound accurately so that the listener can imagine the original environment and placement of the original sound sources accurately within within that environment. The better the imaging the more analogous the reproduced sound will be to the original.
  Impedance - The opposition to the flow of alternating current (AC) in a circuit. Measured in ohms .
  Inductance - The ability to induce an electrical current. Measured in Henrys.
  Inductive Coupling - Radiated noise that is transmitted through a magnetic field to surrounding lines.
  Inductor - An electrical component in which impedance increases as the frequency of the AC decreases. Also known as coils that are used in passive crossovers. Inductors are rated in Hennes.
  Infinite Baffle - A loudspeaker baffle of infinite space that has no openings for the passage of sound from the front to the back of the speaker. Also, a sealed enclosure where the internal volume is greater than the Vas of the driver.
  Input Sensitivity Control - Adjusts the amount of input signal being fed to the amplifier stage to reduce distortion.
  Insulation - A material that electrically isolates a conductor or thermally isolates an object from its surroundings.
  Intermodulation Distortion (in loudspeakers) - Is the distortion generated in single cone speakers when the cone is reproducing a high and low frequency simultaneously. The high frequency peaks will be flattened off if the low frequency is distorted in any way.
  ISO-DIN Mounting - Refers to a mounting system in which the headunit is mounted behind the dash panel with side brackets, employing factory installed trim panels.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mobile Electronics Basics:
Diodes
Glossary of Terms and Definitions
Ohm's Law
Recommended Books & DVD's
Recommended Wire Sizes
Relays
Resistors
Tools and Equipment


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