of signal processing systems, especially filters. The mathematical limits for noise removal are set by information theory. Signal processing noise can... 7 KB (937 words) - 03:14, 26 March 2023 |
Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background... 25 KB (3,699 words) - 03:18, 20 April 2024 |
In signal processing theory, Gaussian noise, named after Carl Friedrich Gauss, is a kind of signal noise that has a probability density function (pdf)... 4 KB (394 words) - 12:42, 8 July 2023 |
Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output... 42 KB (6,357 words) - 18:30, 23 March 2024 |
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The... 30 KB (4,020 words) - 18:28, 3 March 2024 |
the noise in the resulting image. Audio signal processing – for electrical signals representing sound, such as speech or music Image processing – in... 19 KB (1,761 words) - 14:49, 11 February 2024 |
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort... 44 KB (4,926 words) - 22:59, 23 April 2024 |
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide... 26 KB (2,932 words) - 00:55, 22 February 2024 |
Adaptive noise cancelling is an unorthodox signal processing technique that is highly effective in suppressing additive interference or noise corrupting... 32 KB (4,165 words) - 13:28, 16 February 2024 |
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement... 3 KB (348 words) - 21:11, 21 October 2023 |
the process of quantization or bit-depth reduction of a signal. Its purpose is to increase the apparent signal-to-noise ratio of the resultant signal. It... 10 KB (1,245 words) - 22:35, 26 February 2024 |
image processor, also known as an image processing engine, image processing unit (IPU), or image signal processor (ISP), is a type of media processor or... 8 KB (901 words) - 10:06, 5 July 2023 |
sound. An analog signal is subject to electronic noise and distortion introduced by communication channels, recording and signal processing operations, which... 5 KB (472 words) - 16:00, 23 April 2024 |
(as opposed to the discrete digital signal processing where the signal processing is carried out by a digital process). "Analog" indicates something that... 10 KB (1,620 words) - 03:12, 28 October 2023 |
In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave... 30 KB (3,041 words) - 00:02, 29 April 2024 |
Pink noise, 1⁄f noise, fractional noise or fractal noise is a signal or process with a frequency spectrum such that the power spectral density (power per... 53 KB (6,477 words) - 11:07, 7 April 2024 |
of digital signal processing (DSP), a digital signal is a discrete time, quantized amplitude signal. In other words, it is a sampled signal consisting... 4 KB (420 words) - 12:57, 15 January 2024 |
Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic... 12 KB (1,484 words) - 19:25, 11 April 2024 |
of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of noise have... 24 KB (2,811 words) - 11:10, 25 April 2024 |
Signal averaging is a signal processing technique applied in the time domain, intended to increase the strength of a signal relative to noise that is... 5 KB (981 words) - 17:50, 28 November 2021 |
In signal processing, a filter is a device or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing... 22 KB (2,982 words) - 20:28, 8 October 2023 |
In signal processing, phase noise is the frequency-domain representation of random fluctuations in the phase of a waveform, corresponding to time-domain... 13 KB (1,457 words) - 02:20, 19 August 2023 |
Median filter (category Signal processing) to remove noise from an image or signal. Such noise reduction is a typical pre-processing step to improve the results of later processing (for example... 10 KB (1,277 words) - 22:05, 21 April 2024 |
information theory, digital communications, radio communications, signal processing, and spectroscopy and is one of the determinants of the capacity of... 16 KB (2,296 words) - 03:55, 9 February 2024 |
Peak signal-to-noise ratio (PSNR) is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that... 10 KB (1,178 words) - 01:40, 10 April 2024 |