quantization noise

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• quantization noise — kvantavimo triukšmas statusas T sritis radioelektronika atitikmenys: angl. quantization noise vok. Quantisierungsrauschen, n rus. шум квантования, m pranc. bruit de quantification, m …   Radioelektronikos terminų žodynas

• quantization noise — Noise introduced into a circuit using pulse code modulation because there are too few levels of quantitation to describe the waveform accurately …   Dictionary of automotive terms

• quantization noise —    Signal errors that result from the code derived facsimile not exactly matching the waveform of the original message (i.e. noise resulting from digitizing a continuously variable signal) …   IT glossary of terms, acronyms and abbreviations

• Noise shaping — is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process of quantization or bit depth reduction of a digital signal. Its purpose is to increase the apparent signal… …   Wikipedia

• Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… …   Wikipedia

• Noise measurement — is carried out in various fields. In acoustics, it can be for the purpose of measuring environmental noise, or part of a test procedure using white noise, or some other specialised form of test signal. In electronics it relates to the sensitivity …   Wikipedia

• Noise (audio) — Noise in audio, recording, and broadcast systems refers to the residual low level sound (usually hiss and hum) that is heard in quiet periods of a programme. In audio engineering, it can refer either to the acoustic noise from loudspeakers, or to …   Wikipedia

• Quantization error — The difference between the actual analog value and quantized digital value due is called quantization error. This error is due either to rounding or truncation.Many physical quantities are actually quantized by physical entities. Examples of… …   Wikipedia

• Quantization (signal processing) — In digital signal processing, quantization is the process of approximating a continuous range of values (or a very large set of possible discrete values) by a relatively small set of discrete symbols or integer values.More specifically, a signal… …   Wikipedia

• Quantization (sound processing) — In signal processing, quantization is the process of approximating a continuous range of values (or a very large set of possible discrete values) by a relatively small set of discrete symbols or integer values. This article describes aspects of… …   Wikipedia

• Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… …   Wikipedia