Related Words

Audio Frequency Spectrum: The band of frequencies extending roughly from 20 Hz to 20 khz and encompassing the full range of normal human hearing.

Radio-Frequency Fingerprinting: A process that identifies a cellular phone by the unique fingerprint that characterizes its signal transmission. RF fingerprinting is one process used to prevent cloning fraud, because a clo . . . View Full Definition

Radio Frequency Interference (RFI): A high-frequency signal radiated by improperly shielded conductors. RFI can interfere with the operation of other electronic devices.

Range (Audio): Usually described as frequency range, this is a system's frequency transmission limits, beyond which the frequency is attenuated below a specified tolerance. Also, the frequency band or band . . . View Full Definition

Radio Frequency Identification (RFID): RFID first appeared in tracking and access applications during the 1980s. It is a method of remotely storing and retrieving data using devices called RFID tags/transponders and is coming int . . . View Full Definition

RealAudio: This is a method of playing sounds invented by Rob Glasser that creates a buffer between the supplying server and your computer. The file is played without downloading it completely.

Resonant Frequency: The frequency at which a speaker cone vibrates with the least inertia. The point on the spectrum at which it has the greatest amplitude relative to all other applied frequencies.

Reset Frequency: The frequency with which the floating rate changes.

Radio Frequency (Rf): An alternating current or voltage with a frequency (or carrier wave) above about 100khz. It's called radio frequency because these frequencies have a capacity to be radiated as electromagnet . . . View Full Definition

Power Spectrum: intensity [= squared amplitude] of the Fourier transform, presented either in the form of an image (= the outcome of the PW operation) or as a profile (= the outcome of averaging the 2D powe . . . View Full Definition