Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Download
Faster access than browser!
 

Sampling (signal processing)

+ Save concept

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. [1]

127 relations: Aliasing, Analog-to-digital converter, Analogue electronics, Analytic signal, Anti-aliasing filter, Arbitrarily large, Audio Engineering Society, Auditory system, Band-pass filter, Beta encoder, Bit rate, Blu-ray, Camcorder, Capacitor, Chrominance, Claude Shannon, Compact disc, Complex number, Constellation diagram, CT scan, D-1 (Sony), Decibel, Decimation (signal processing), Delta-sigma modulation, Digital audio, Digital Audio Tape, Digital eXtreme Definition, Digital recording, Digital signal processing, Digital television, Digital video, Digital-to-analog converter, Digitization, Dirac comb, Dirac delta function, Direct Stream Digital, Discrete time and continuous time, Distortion, DV, DVD, DVD-Audio, Eventually (mathematics), FM broadcasting, Frame rate, G.711, HD DVD, Hertz, High Definition Compatible Digital, High-definition television, Hilbert transform, ..., Intermodulation, Jitter, Johnson–Nyquist noise, Kell factor, Linear function, Low-pass filter, Luma (video), Magnetic resonance imaging, Mixing console, Moiré pattern, MP3, MPEG-1, Multidimensional sampling, Narrowband, NICAM, Nippon Columbia, Noise (electronics), Nonlinear system, NTSC, Nyquist frequency, Nyquist rate, Nyquist–Shannon sampling theorem, Oversampling, PAL, PCM adaptor, Philips, Phoneme, Phonograph record, Pixel, Positron emission tomography, Proceedings of the IEEE, ProDigi, Professional audio, Pulse-code modulation, Quantization (signal processing), Raster graphics, Rec. 601, Refresh rate, Sample and hold, Sample-rate conversion, Sampling (signal processing), Scan line, Seismic tomography, Serial digital interface, Sibilant, Signal processing, Signal-to-noise ratio, Signal-to-quantization-noise ratio, Sine wave, Slew rate, Sony, Sound, Soundstream, Speech, Standard-definition television, Super Audio CD, Super Video CD, Telephone, Telephony, Ultrasound, Undersampling, Upsampling, Video CD, Voice over IP, Volume rendering, Voxel, Walkie-talkie, Whittaker–Shannon interpolation formula, Wideband, Wireless intercom, Wireless microphone, Zero-order hold, 1080i, 1080p, 3M, 44,100 Hz, 720p. Expand index (77 more) »

Aliasing

In signal processing and related disciplines, aliasing is an effect that causes different signals to become indistinguishable (or aliases of one another) when sampled.

New!!: Sampling (signal processing) and Aliasing · See more »

Analog-to-digital converter

In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.

New!!: Sampling (signal processing) and Analog-to-digital converter · See more »

Analogue electronics

Analogue electronics (also spelled analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels.

New!!: Sampling (signal processing) and Analogue electronics · See more »

Analytic signal

In mathematics and signal processing, an analytic signal is a complex-valued function that has no negative frequency components.

New!!: Sampling (signal processing) and Analytic signal · See more »

Anti-aliasing filter

An anti-aliasing filter (AAF) is a filter used before a signal sampler to restrict the bandwidth of a signal to approximately or completely satisfy the sampling theorem over the band of interest.

New!!: Sampling (signal processing) and Anti-aliasing filter · See more »

Arbitrarily large

In mathematics, the phrases arbitrarily large, arbitrarily small, and arbitrarily long are used in statements such as: which is shorthand for: "Arbitrarily large" is not equivalent to "sufficiently large".

New!!: Sampling (signal processing) and Arbitrarily large · See more »

Audio Engineering Society

Established in 1948, the Audio Engineering Society (AES) draws its membership from engineers, scientists, other individuals with an interest or involvement in the professional audio industry.

New!!: Sampling (signal processing) and Audio Engineering Society · See more »

Auditory system

The auditory system is the sensory system for the sense of hearing.

New!!: Sampling (signal processing) and Auditory system · See more »

Band-pass filter

A band-pass filter, also bandpass filter or BPF, is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.

New!!: Sampling (signal processing) and Band-pass filter · See more »

Beta encoder

A beta encoder is an analog-to-digital conversion (A/D) system in which a real number in the unit interval is represented by a finite representation of a sequence in base beta, with beta being a real number between 1 and 2.

New!!: Sampling (signal processing) and Beta encoder · See more »

Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

New!!: Sampling (signal processing) and Bit rate · See more »

Blu-ray

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format.

New!!: Sampling (signal processing) and Blu-ray · See more »

Camcorder

A camcorder is an electronic device originally combining a video camera and a videocassette recorder.

New!!: Sampling (signal processing) and Camcorder · See more »

Capacitor

A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.

New!!: Sampling (signal processing) and Capacitor · See more »

Chrominance

Chrominance (chroma or C for short) is the signal used in video systems to convey the color information of the picture, separately from the accompanying luma signal (or Y for short).

New!!: Sampling (signal processing) and Chrominance · See more »

Claude Shannon

Claude Elwood Shannon (April 30, 1916 – February 24, 2001) was an American mathematician, electrical engineer, and cryptographer known as "the father of information theory".

New!!: Sampling (signal processing) and Claude Shannon · See more »

Compact disc

Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.

New!!: Sampling (signal processing) and Compact disc · See more »

Complex number

A complex number is a number that can be expressed in the form, where and are real numbers, and is a solution of the equation.

New!!: Sampling (signal processing) and Complex number · See more »

Constellation diagram

A constellation diagram is a representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase-shift keying.

New!!: Sampling (signal processing) and Constellation diagram · See more »

CT scan

A CT scan, also known as computed tomography scan, makes use of computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without cutting.

New!!: Sampling (signal processing) and CT scan · See more »

D-1 (Sony)

D-1 or 4:2:2 Component Digital is a SMPTE digital recording video standard, introduced in 1986 through efforts by SMPTE engineering committees.

New!!: Sampling (signal processing) and D-1 (Sony) · See more »

Decibel

The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.

New!!: Sampling (signal processing) and Decibel · See more »

Decimation (signal processing)

In digital signal processing, decimation is the process of reducing the sampling rate of a signal.

New!!: Sampling (signal processing) and Decimation (signal processing) · See more »

Delta-sigma modulation

Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is a method for encoding analog signals into digital signals as found in an analog-to-digital converter (ADC).

New!!: Sampling (signal processing) and Delta-sigma modulation · See more »

Digital audio

Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.

New!!: Sampling (signal processing) and Digital audio · See more »

Digital Audio Tape

Digital Audio Tape (DAT or R-DAT) is a signal recording and playback medium developed by Sony and introduced in 1987.

New!!: Sampling (signal processing) and Digital Audio Tape · See more »

Digital eXtreme Definition

Digital eXtreme Definition (DXD) is a digital audio format that originally was developed for editing high-resolution recordings recorded in DSD, the audio standard used on Super Audio CD (SACD).

New!!: Sampling (signal processing) and Digital eXtreme Definition · See more »

Digital recording

In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device are converted into a stream of discrete numbers, representing the changes over time in air pressure for audio, and chroma and luminance values for video, then recorded to a storage device.

New!!: Sampling (signal processing) and Digital recording · See more »

Digital signal processing

Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.

New!!: Sampling (signal processing) and Digital signal processing · See more »

Digital television

Digital television (DTV) is the transmission of television signals, including the sound channel, using digital encoding, in contrast to the earlier television technology, analog television, in which the video and audio are carried by analog signals.

New!!: Sampling (signal processing) and Digital television · See more »

Digital video

Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data.

New!!: Sampling (signal processing) and Digital video · See more »

Digital-to-analog converter

In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal.

New!!: Sampling (signal processing) and Digital-to-analog converter · See more »

Digitization

Digitization, at WhatIs.com in Collins English Dictionary less commonly digitalization, is the process of converting information into a digital (i.e. computer-readable) format, in which the information is organized into bits.

New!!: Sampling (signal processing) and Digitization · See more »

Dirac comb

In mathematics, a Dirac comb (also known as an impulse train and sampling function in electrical engineering) is a periodic tempered distribution constructed from Dirac delta functions for some given period T. The symbol \operatorname(t), where the period is omitted, represents a Dirac comb of unit period.

New!!: Sampling (signal processing) and Dirac comb · See more »

Dirac delta function

In mathematics, the Dirac delta function (function) is a generalized function or distribution introduced by the physicist Paul Dirac.

New!!: Sampling (signal processing) and Dirac delta function · See more »

Direct Stream Digital

DSD Records (DSD) is a trademark used by Sony and Philips for their system of digitally recreating audible signals for the Super Audio CD (SACD).

New!!: Sampling (signal processing) and Direct Stream Digital · See more »

Discrete time and continuous time

In mathematics and in particular mathematical dynamics, discrete time and continuous time are two alternative frameworks within which to model variables that evolve over time.

New!!: Sampling (signal processing) and Discrete time and continuous time · See more »

Distortion

Distortion is the alteration of the original shape (or other characteristic) of something.

New!!: Sampling (signal processing) and Distortion · See more »

DV

DV is a format for storing digital video.

New!!: Sampling (signal processing) and DV · See more »

DVD

DVD (an abbreviation of "digital video disc" or "digital versatile disc") is a digital optical disc storage format invented and developed by Philips and Sony in 1995.

New!!: Sampling (signal processing) and DVD · See more »

DVD-Audio

DVD-Audio (commonly abbreviated as DVD-A) is a digital format for delivering high-fidelity audio content on a DVD.

New!!: Sampling (signal processing) and DVD-Audio · See more »

Eventually (mathematics)

In the mathematical areas of number theory and analysis, an infinite sequence (a_n) is said to eventually have a certain property if all terms beyond some (finite) point in the sequence have that property.

New!!: Sampling (signal processing) and Eventually (mathematics) · See more »

FM broadcasting

FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.

New!!: Sampling (signal processing) and FM broadcasting · See more »

Frame rate

Frame rate (expressed in or fps) is the frequency (rate) at which consecutive images called frames appear on a display.

New!!: Sampling (signal processing) and Frame rate · See more »

G.711

G.711 is an ITU-T standard for audio companding.

New!!: Sampling (signal processing) and G.711 · See more »

HD DVD

HD DVD (short for High Definition Digital Versatile Disc) is a discontinued high-density optical disc format for storing data and playback of high-definition video.

New!!: Sampling (signal processing) and HD DVD · See more »

Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

New!!: Sampling (signal processing) and Hertz · See more »

High Definition Compatible Digital

High Definition Compatible Digital, or HDCD is a Microsoft proprietary audio encode-decode process that claims to provide increased dynamic range over that of standard Redbook audio CDs, while retaining backward compatibility with existing Compact disc players.

New!!: Sampling (signal processing) and High Definition Compatible Digital · See more »

High-definition television

High-definition television (HDTV) is a television system providing an image resolution that is of substantially higher resolution than that of standard-definition television, either analog or digital.

New!!: Sampling (signal processing) and High-definition television · See more »

Hilbert transform

In mathematics and in signal processing, the Hilbert transform is a specific linear operator that takes a function, u(t) of a real variable and produces another function of a real variable H(u)(t).

New!!: Sampling (signal processing) and Hilbert transform · See more »

Intermodulation

Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities in a system.

New!!: Sampling (signal processing) and Intermodulation · See more »

Jitter

In electronics and telecommunications, jitter is the deviation from true periodicity of a presumably periodic signal, often in relation to a reference clock signal.

New!!: Sampling (signal processing) and Jitter · See more »

Johnson–Nyquist noise

Johnson–Nyquist noise (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers (usually the electrons) inside an electrical conductor at equilibrium, which happens regardless of any applied voltage.

New!!: Sampling (signal processing) and Johnson–Nyquist noise · See more »

Kell factor

The Kell factor, named after RCA engineer Raymond D. Kell, is a parameter used to limit the bandwidth of a sampled image signal to avoid the appearance of beat frequency patterns when displaying the image in a discrete display device, usually taken to be 0.7.

New!!: Sampling (signal processing) and Kell factor · See more »

Linear function

In mathematics, the term linear function refers to two distinct but related notions.

New!!: Sampling (signal processing) and Linear function · See more »

Low-pass filter

A low-pass filter (LPF) is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.

New!!: Sampling (signal processing) and Low-pass filter · See more »

Luma (video)

In video, luma represents the brightness in an image (the "black-and-white" or achromatic portion of the image).

New!!: Sampling (signal processing) and Luma (video) · See more »

Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

New!!: Sampling (signal processing) and Magnetic resonance imaging · See more »

Mixing console

In sound recording and reproduction, and sound reinforcement systems, a mixing console is an electronic device for combining sounds of many different audio signals.

New!!: Sampling (signal processing) and Mixing console · See more »

Moiré pattern

In mathematics, physics, and art, a moiré pattern or moiré fringes are large-scale interference patterns that can be produced when an opaque ruled pattern with transparent gaps is overlaid on another similar pattern.

New!!: Sampling (signal processing) and Moiré pattern · See more »

MP3

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format for digital audio.

New!!: Sampling (signal processing) and MP3 · See more »

MPEG-1

MPEG-1 is a standard for lossy compression of video and audio.

New!!: Sampling (signal processing) and MPEG-1 · See more »

Multidimensional sampling

In digital signal processing, multidimensional sampling is the process of converting a function of a multidimensional variable into a discrete collection of values of the function measured on a discrete set of points.

New!!: Sampling (signal processing) and Multidimensional sampling · See more »

Narrowband

In radio, narrowband describes a channel in which the bandwidth of the message does not significantly exceed the channel's coherence bandwidth.

New!!: Sampling (signal processing) and Narrowband · See more »

NICAM

Near Instantaneous Companded Audio Multiplex (NICAM) is an early form of lossy compression for digital audio.

New!!: Sampling (signal processing) and NICAM · See more »

Nippon Columbia

, often pronounced Korombia,, is a Japanese record label founded in 1910 as.

New!!: Sampling (signal processing) and Nippon Columbia · See more »

Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

New!!: Sampling (signal processing) and Noise (electronics) · See more »

Nonlinear system

In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input.

New!!: Sampling (signal processing) and Nonlinear system · See more »

NTSC

NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.

New!!: Sampling (signal processing) and NTSC · See more »

Nyquist frequency

The Nyquist frequency, named after electronic engineer Harry Nyquist, is half of the sampling rate of a discrete signal processing system.

New!!: Sampling (signal processing) and Nyquist frequency · See more »

Nyquist rate

In signal processing, the Nyquist rate, named after Harry Nyquist, is twice the bandwidth of a bandlimited function or a bandlimited channel.

New!!: Sampling (signal processing) and Nyquist rate · See more »

Nyquist–Shannon sampling theorem

In the field of digital signal processing, the sampling theorem is a fundamental bridge between continuous-time signals (often called "analog signals") and discrete-time signals (often called "digital signals").

New!!: Sampling (signal processing) and Nyquist–Shannon sampling theorem · See more »

Oversampling

In signal processing, oversampling is the process of sampling a signal with a sampling frequency significantly higher than the Nyquist rate.

New!!: Sampling (signal processing) and Oversampling · See more »

PAL

Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).

New!!: Sampling (signal processing) and PAL · See more »

PCM adaptor

A PCM adaptor is a device used for recording digital audio in the PCM format, which in turn connects to a video cassette recorder (acting as a transport) for storage and playback of the digital audio information.

New!!: Sampling (signal processing) and PCM adaptor · See more »

Philips

Koninklijke Philips N.V. (Philips, stylized as PHILIPS) is a Dutch multinational technology company headquartered in Amsterdam currently focused in the area of healthcare.

New!!: Sampling (signal processing) and Philips · See more »

Phoneme

A phoneme is one of the units of sound (or gesture in the case of sign languages, see chereme) that distinguish one word from another in a particular language.

New!!: Sampling (signal processing) and Phoneme · See more »

Phonograph record

A phonograph record (also known as a gramophone record, especially in British English, or record) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.

New!!: Sampling (signal processing) and Phonograph record · See more »

Pixel

In digital imaging, a pixel, pel, dots, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

New!!: Sampling (signal processing) and Pixel · See more »

Positron emission tomography

Positron-emission tomography (PET) is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease.

New!!: Sampling (signal processing) and Positron emission tomography · See more »

Proceedings of the IEEE

The Proceedings of the IEEE is a monthly peer-reviewed scientific journal published by the Institute of Electrical and Electronics Engineers (IEEE).

New!!: Sampling (signal processing) and Proceedings of the IEEE · See more »

ProDigi

Mitsubishi's ProDigi was a professional audio, reel-to-reel, digital audio tape format with a stationary head position, similar to Sony's Digital Audio Stationary Head, which competed against ProDigi when the format was available in the mid-1980s through the early 1990s.

New!!: Sampling (signal processing) and ProDigi · See more »

Professional audio

Professional audio, abbreviated as pro audio, refers to both an activity and a category of high quality, studio-grade audio equipment.

New!!: Sampling (signal processing) and Professional audio · See more »

Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals.

New!!: Sampling (signal processing) and Pulse-code modulation · See more »

Quantization (signal processing)

Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set.

New!!: Sampling (signal processing) and Quantization (signal processing) · See more »

Raster graphics

In computer graphics, a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color), viewable via a monitor, paper, or other display medium.

New!!: Sampling (signal processing) and Raster graphics · See more »

Rec. 601

ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec.

New!!: Sampling (signal processing) and Rec. 601 · See more »

Refresh rate

The refresh rate (most commonly the "vertical refresh rate", "vertical scan rate" for cathode ray tubes) is the number of times in a second that a display hardware updates its buffer.

New!!: Sampling (signal processing) and Refresh rate · See more »

Sample and hold

In electronics, a sample and hold (S/H, also "follow-and-hold"Horowitz and Hill, p. 220.) circuit is an analog device that samples (captures, takes) the voltage of a continuously varying analog signal and holds (locks, freezes) its value at a constant level for a specified minimum period of time.

New!!: Sampling (signal processing) and Sample and hold · See more »

Sample-rate conversion

Sample-rate conversion is the process of changing the sampling rate of a discrete signal to obtain a new discrete representation of the underlying continuous signal.

New!!: Sampling (signal processing) and Sample-rate conversion · See more »

Sampling (signal processing)

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.

New!!: Sampling (signal processing) and Sampling (signal processing) · See more »

Scan line

A scan line (also scanline) is one line, or row, in a raster scanning pattern, such as a line of video on a cathode ray tube (CRT) display of a television set or computer monitor.

New!!: Sampling (signal processing) and Scan line · See more »

Seismic tomography

Seismic tomography is a technique for imaging the subsurface of the Earth with seismic waves produced by earthquakes or explosions.

New!!: Sampling (signal processing) and Seismic tomography · See more »

Serial digital interface

Serial digital interface (SDI) is a family of digital video interfaces first standardized by SMPTE (The Society of Motion Picture and Television Engineers) in 1989.

New!!: Sampling (signal processing) and Serial digital interface · See more »

Sibilant

Sibilance is an acoustic characteristic of fricative and affricate consonants of higher amplitude and pitch, made by directing a stream of air with the tongue towards the sharp edge of the teeth, which are held close together; a consonant that uses sibilance may be called a sibilant.

New!!: Sampling (signal processing) and Sibilant · See more »

Signal processing

Signal processing concerns the analysis, synthesis, and modification of signals, which are broadly defined as functions conveying "information about the behavior or attributes of some phenomenon", such as sound, images, and biological measurements.

New!!: Sampling (signal processing) and Signal processing · See more »

Signal-to-noise ratio

Signal-to-noise ratio (abbreviated 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 noise.

New!!: Sampling (signal processing) and Signal-to-noise ratio · See more »

Signal-to-quantization-noise ratio

Signal-to-Quantization-Noise Ratio (SQNR or SNqR) is widely used quality measure in analysing digitizing schemes such as PCM (pulse code modulation) and multimedia codecs.

New!!: Sampling (signal processing) and Signal-to-quantization-noise ratio · See more »

Sine wave

A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.

New!!: Sampling (signal processing) and Sine wave · See more »

Slew rate

In electronics, slew rate is defined as the change of voltage or current, or any other electrical quantity, per unit of time.

New!!: Sampling (signal processing) and Slew rate · See more »

Sony

is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo.

New!!: Sampling (signal processing) and Sony · See more »

Sound

In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.

New!!: Sampling (signal processing) and Sound · See more »

Soundstream

Soundstream Inc. was the first audiophile digital audio recording company, providing commercial services for recording and computer-based editing.

New!!: Sampling (signal processing) and Soundstream · See more »

Speech

Speech is the vocalized form of communication used by humans and some animals, which is based upon the syntactic combination of items drawn from the lexicon.

New!!: Sampling (signal processing) and Speech · See more »

Standard-definition television

Standard-definition television (SDTV or SD) is a television system which uses a resolution that is not considered to be either high- or enhanced-definition.

New!!: Sampling (signal processing) and Standard-definition television · See more »

Super Audio CD

Super Audio CD (SACD) is a read-only optical disc for audio storage, introduced in 1999.

New!!: Sampling (signal processing) and Super Audio CD · See more »

Super Video CD

Super Video CD (Super Video Compact Disc or SVCD) is a digital format for storing video on standard compact discs.

New!!: Sampling (signal processing) and Super Video CD · See more »

Telephone

A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.

New!!: Sampling (signal processing) and Telephone · See more »

Telephony

Telephony is the field of technology involving the development, application, and deployment of telecommunication services for the purpose of electronic transmission of voice, fax, or data, between distant parties.

New!!: Sampling (signal processing) and Telephony · See more »

Ultrasound

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.

New!!: Sampling (signal processing) and Ultrasound · See more »

Undersampling

In signal processing, undersampling or bandpass sampling is a technique where one samples a bandpass-filtered signal at a sample rate below its Nyquist rate (twice the upper cutoff frequency), but is still able to reconstruct the signal.

New!!: Sampling (signal processing) and Undersampling · See more »

Upsampling

In digital signal processing, upsampling can refer to the entire process of increasing the sampling rate of a signal, or it can refer to just one step of the process, the other step being interpolation.

New!!: Sampling (signal processing) and Upsampling · See more »

Video CD

Video CD (abbreviated as VCD, and also known as Compact Disc digital video) is a home video format and the first format for distributing films on standard optical discs.

New!!: Sampling (signal processing) and Video CD · See more »

Voice over IP

Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

New!!: Sampling (signal processing) and Voice over IP · See more »

Volume rendering

In scientific visualization and computer graphics, volume rendering is a set of techniques used to display a 2D projection of a 3D discretely sampled data set, typically a 3D scalar field.

New!!: Sampling (signal processing) and Volume rendering · See more »

Voxel

A voxel represents a value on a regular grid in three-dimensional space.

New!!: Sampling (signal processing) and Voxel · See more »

Walkie-talkie

A walkie-talkie (more formally known as a handheld transceiver, or HT) is a hand-held, portable, two-way radio transceiver.

New!!: Sampling (signal processing) and Walkie-talkie · See more »

Whittaker–Shannon interpolation formula

The Whittaker–Shannon interpolation formula or sinc interpolation is a method to construct a continuous-time bandlimited function from a sequence of real numbers.

New!!: Sampling (signal processing) and Whittaker–Shannon interpolation formula · See more »

Wideband

In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel.

New!!: Sampling (signal processing) and Wideband · See more »

Wireless intercom

A wireless intercom is a telecommunications device that enables voice communication without the need to run copper wires between intercom stations.

New!!: Sampling (signal processing) and Wireless intercom · See more »

Wireless microphone

A wireless microphone is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated.

New!!: Sampling (signal processing) and Wireless microphone · See more »

Zero-order hold

The zero-order hold (ZOH) is a mathematical model of the practical signal reconstruction done by a conventional digital-to-analog converter (DAC).

New!!: Sampling (signal processing) and Zero-order hold · See more »

1080i

1080i (also known as Full HD or BT.709) is an abbreviation referring to a combination of frame resolution and scan type, used in high-definition television (HDTV) and high-definition video.

New!!: Sampling (signal processing) and 1080i · See more »

1080p

1080p (1920×1080 px; also known as '''Full HD''' or FHD and BT.709) is a set of HDTV high-definition video modes characterized by 1080 horizontal lines of vertical resolution; the p stands for progressive scan, i.e. non-interlaced.

New!!: Sampling (signal processing) and 1080p · See more »

3M

The 3M Company, formerly known as the Minnesota Mining and Manufacturing Company, is an American multinational conglomerate corporation based in Maplewood, Minnesota, a suburb of St. Paul.

New!!: Sampling (signal processing) and 3M · See more »

44,100 Hz

In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency.

New!!: Sampling (signal processing) and 44,100 Hz · See more »

720p

720p (1280×720 px; also called HD Ready or standard HD) is a progressive HDTV signal format with 720 horizontal lines and an aspect ratio (AR) of 16:9, normally known as widescreen HDTV (1.78:1).

New!!: Sampling (signal processing) and 720p · See more »

Redirects here:

16-bit sample, Audio sampling rate, Data Compression/sampling frequency, Digital audio sample, Digital audio samples, Digital audio sampling and dither, Digital sample, Digital samples, I/Q sampling, Kilosample, Megasample, Ms/s, Sampe rate, Sample (signal), Sample frequency, Sample interval, Sample rate, Sample time, Sampler (signal), Sampling (information theory), Sampling Frequency, Sampling frequencies, Sampling frequency, Sampling interval, Sampling period, Sampling rate, Sampling time, Super-Nyquist sampling, Time resolved.

References

[1] https://en.wikipedia.org/wiki/Sampling_(signal_processing)

OutgoingIncoming
Hey! We are on Facebook now! »