Torzításmutatók

Torzításmutatók, often translated as distortion indicators or distortion measures, are a set of metrics used to quantify the amount of unwanted alteration or deviation in a signal or data set from its original form. These alterations can arise from various sources, including noise, non-linearities in systems, or data corruption.

In the context of audio and signal processing, torzításmutatók are crucial for evaluating the fidelity of reproduced sound or transmitted signals. A common example is Total Harmonic Distortion (THD), which measures the ratio of the sum of the power of all harmonic components to the power of the fundamental frequency. Higher THD values indicate a more distorted signal. Another related metric is Intermodulation Distortion (IMD), which assesses the distortion produced when two or more frequencies are present simultaneously in a non-linear system, leading to the generation of new, unwanted frequencies.

Beyond audio, distortion measures can be applied in image processing to quantify artifacts introduced during compression or transmission. In statistics, similar concepts exist for measuring deviations from expected distributions or patterns. The specific definition and calculation of a torzításmutató depend heavily on the domain and the type of distortion being analyzed. Understanding these indicators allows engineers and researchers to assess the quality of systems and identify areas for improvement.