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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Denoising is a collection of techniques to remove unwanted noise from a signal. Typically this is done by filtering, but a variety of other techniques is available. Often combinations are used in sequ…
218 questions
An analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal into a digital signal.
217 questions
in mathematics, the inverse operation of convolution signals. In general, the purpose of deconvolution is to find solutions of the convolution equation defined as: f * g = x. Where h is the recorde…
210 questions
A random process (in time), also called "stochastic process" is a signal that, when sampled at any given time, is a random variable.
209 questions
205 questions
An adaptive filter is a filter that self-adjusts its transfer function according to an optimization algorithm driven by an error signal.
203 questions
Speech recognition is the process of converting the spoken word to text, usually without regard to a particular speaker (which is more commonly referred to as "voice recognition").
200 questions
In signal processing and related disciplines, aliasing refers to an effect that causes different signals to become indistinguishable (or aliases of one another) when sampled.
197 questions
Pitch of an audio signal representing a musical note, measured in units of octave and relative to a pitch standard such as A440, is the base-2 logarithm of the frequency ratio of the fundamental frequ…
190 questions
Asking for official sources, e.g. books, scientific articles or other similar literature that can be used to back up your statements or methods.
179 questions
Related to the calculation, verification, usage, and requirements for Mel Frequency Cepstral Coefficients.
179 questions
Quadrature Phase Shift Keying
171 questions
170 questions
real-time refers to processing done with a strict set of time constraints in a deterministic manner.
167 questions
166 questions
Edge detection is the process of identifying points in an image, where image brightness changes sharply.
164 questions
164 questions
A high-pass filter is a device that passes high frequencies and attenuates frequencies lower than its cutoff frequency.
162 questions
162 questions
means the asker is new to the DSP field and is requesting extra guidance. It has similar connotations to the homework tag, but this lets potential answerers know they should probably do more …
160 questions
Smoothing a signal or data set approximates the data to reveal patterns and exclude noise, fine-scale structure and rapid changing phenomina.
159 questions
Butterworth filters fall into a class of filters with magnitude frequency response that is "maximally flat" magnitude. Butterworth filters have no ripple either in the passband nor in the stopband.
159 questions
157 questions
is a mathematical object to be recorded in a [usually] rectangular array of elements of ring or field, which (table) is a set of rows and columns are located at the intersection of its elements. The n…
157 questions
BPSK, a mechanism of modulation is expanded Binary Phase Shift Keying.
151 questions
The Discrete Cosine Transform expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies.
149 questions
149 questions
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