digital filter

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• Digital filter — A general finite impulse response filter with n stages, each with an independent delay, di, and amplification gain, ai. In electronics, computer science and mathematics, a digital filter is a system that performs mathematical operations on a… …   Wikipedia

• digital filter — skaitmeninis filtras statusas T sritis automatika atitikmenys: angl. digital filter vok. Digitalfilter, n; diskretes Filter, n rus. цифровой фильтр, m pranc. filtre digital, m; filtre numérique, m …   Automatikos terminų žodynas

• Filter design — is the process of designing a filter (in the sense in which the term is used in signal processing, statistics, and applied mathematics), often a linear shift invariant filter, which satisfies a set of requirements, some of which are contradictory …   Wikipedia

• Digital signal processing — (DSP) is concerned with the representation of discrete time signals by a sequence of numbers or symbols and the processing of these signals. Digital signal processing and analog signal processing are subfields of signal processing. DSP includes… …   Wikipedia

• Digital speakers — are a form of loudspeaker technology. Not to be confused with modern digital formats and processing, they are a mature technology, having been experimented with extensively by Bell Labs as far back as the 1920s. Contents 1 Principle of operation… …   Wikipedia

• Filter — may refer to: Chemistry, engineering and materials In chemistry, engineering, or household usage, a device to separate mixtures. See: * Filter (chemistry) * Water filter * Air filter * Oil filter * Pneumatic filter Optics and photography In… …   Wikipedia

• Digital control — is a branch of control theory that uses digital computers to act as system controllers. Depending on the requirements, a digital control system can take the form of a microcontroller to an ASIC to a standard desktop computer. Since a digital… …   Wikipedia

• Digital room correction — An example of the frequency magnitude of a room response before and after digital room correction. Digital room correction (or DRC) is a process in the field of acoustics where digital filters designed to ameliorate unfavorable effects of a room… …   Wikipedia

• Digital biquad filter — In signal processing, a digital biquad filter is a second order recursive linear filter, containing two poles and two zeros. Biquad is an abbreviation of biquadratic , which refers to the fact that in the Z domain, its transfer function is the… …   Wikipedia

• Digital delay line — A digital delay line is a discrete element in digital filter theory, which allows a signal to be delayed by a number of samples. If the delay is an integer multiple of samples digital delay lines are often implemented as circular buffers. This… …   Wikipedia

• Digital cinema — refers to the use of digital technology to distribute and project motion pictures. A movie can be distributed via hard drives, optical disks (such as DVDs and Blu ray Discs) or satellite and projected using a digital projector instead of a… …   Wikipedia