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Telephony call multiplexing standard
Digital Signal 3 (DS3 or T3 line) is a digital signal level 3 T-carrier. The signal rate for this type of signal is 44.736 Mbit/s (45 Mb). It can transport
Digital_Signal_3
Signal used to represent data as a sequence of discrete values
A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take on, at most, one of a finite number
Digital_signal
Mathematical signal manipulation by computers
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide
Digital_signal_processing
Specialized microprocessor optimized for digital signal processing
A digital signal processor (DSP) is a specialized microprocessor chip, with its architecture optimized for the operational needs of digital signal processing
Digital_signal_processor
Signal with discrete values in time and amplitude
context of digital signal processing (DSP), a digital signal is a discrete time, quantized amplitude signal. In other words, it is a sampled signal consisting
Digital signal (signal processing)
Digital_signal_(signal_processing)
T-carrier signal by Bell Labs
Digital Signal 1 (DS1, sometimes DS-1) is a T-carrier signaling scheme devised by Bell Labs. DS1 is the primary digital telephone standard used in the
Digital_Signal_1
Varying physical quantity that conveys information
into analog signals and digital signals; according to the determinacy of signals, classified into deterministic signals and random signals; according to
Signal
Digital Signal 0 (DS0) is a basic digital signaling rate of 64 kilobits per second (kbit/s), corresponding to the capacity of one analog voice-frequency-equivalent
Digital_Signal_0
System that converts an analog signal into a digital signal
In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as from fingers touching a touchscreen
Analog-to-digital_converter
Field of electrical engineering
seismic signals, altimetry processing, and scientific measurements. Signal processing techniques are used to optimize transmissions, digital storage efficiency
Signal_processing
Marker covertly embedded in a signal
A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. It is typically used to identify
Digital_watermarking
Hybrid of microcontrollers and digital signal processors
A digital signal controller (DSC) is a hybrid of microcontrollers and digital signal processors (DSPs). Like microcontrollers, DSCs have fast interrupt
Digital_signal_controller
Technology that records, stores, and reproduces sound
Digital audio is a representation of sound recorded in, or converted into, digital form. In digital audio, the sound wave of the audio signal is typically
Digital_audio
Process of mapping a continuous set to a countable set
In mathematics and digital signal processing, quantization is the process of mapping input values from a large set (often a continuous set) to output values
Quantization (signal processing)
Quantization_(signal_processing)
Electronic manipulation of audio signals
consisting of compressions and rarefactions. As audio signals may be represented in either digital or analog format, processing may occur in either domain
Audio_signal_processing
Mathematical operation on a sampled signal
In signal processing, a digital filter is a system that performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain
Digital_filter
Measurement of a signal at discrete time intervals
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
Sampling_(signal_processing)
Digital Signal Designation is the classification of digital bit rates in the digital multiplex hierarchy used in transport of signals from one location
Digital_Signal_Designation
Transfer of data over a communication channel
transmission and digital communications. Analog data communication conveys voice, data, image, signal or video information using a continuous signal, which varies
Data_communication
Signal processing effect
of aliasing In digital signal processing, aliasing is a phenomenon in which a reconstructed signal from samples of the original signal contains low frequency
Aliasing
Resampling method
In digital signal processing, downsampling, subsampling, compression, and decimation are terms associated with the process of resampling in a multi-rate
Downsampling (signal processing)
Downsampling_(signal_processing)
Process of varying one or more properties of a periodic waveform
representing sound from a microphone, a video signal representing moving images from a video camera, or a digital signal representing a sequence of binary digits
Signal_modulation
Electronic signal to synchronize circuits
especially synchronous digital circuits, a clock signal (historically also known as logic beat) is an electronic logic signal (voltage or current) which
Clock_signal
Electronic circuits that utilize digital signals
Digital electronics Digital electronics is a field of electronics involving the study of digital signals and the engineering of devices that use or produce
Digital_electronics
Device that converts a digital signal into an analog signal
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. An analog-to-digital converter
Digital-to-analog_converter
Maximum amplitude a system can represent
and signal processing, full scale represents the maximum amplitude a system can represent. In digital systems, a signal is said to be at digital full
Full_scale
Method for creating waveforms
signal generation, local oscillators in communication systems, function generators, mixers, modulators, sound synthesizers and as part of a digital phase-locked
Direct_digital_synthesis
Topics referred to by the same term
Israel Institute of Technology T3 line, or Digital Signal 3, a 44.736 Mbit/s telecommunications channel standard T-3, a Palomar–Leiden survey Jupiter Trojan
T3
Integrated circuit
A mixed-signal integrated circuit is any integrated circuit that has both analog circuits and digital circuits on a single semiconductor die. Their usage
Mixed-signal integrated circuit
Mixed-signal_integrated_circuit
System for digitally encoding audio signals
Direct Stream Digital (DSD) is a trademark used by Sony and Philips for their system for digitally encoding audio signals for the Super Audio CD (SACD)
Direct_Stream_Digital
Computational technique
Multidimensional digital signal processing (MDSP) refers to the extension of digital signal processing (DSP) techniques to signals that vary in more than
Multidimensional DSP with GPU acceleration
Multidimensional_DSP_with_GPU_acceleration
That's why we need digital signal conditioning to condition process-control signal to be an approximated digital format. Digital signal conditioning in process
Digital_signal_conditioning
Standard for transmitting digital video to a display
a 29-pin MicroCross connector to carry digital and analog video. Critically, DVI allows dual-link TMDS signals, meaning it supports higher resolutions
Digital_Visual_Interface
2017 single by Twice
charted at number 1, 3 and 22 on K-pop Hot 100, Billboard charts' World Digital Song Sales and (Philippine Hot 100) respectively. "Signal" won 12 music program
Signal_(Twice_song)
Concept in digital electronics
Signal integrity or SI is a set of measures of the quality of an electrical signal. In digital electronics, a stream of binary values is represented by
Signal_integrity
Changing the sampling rate of a discrete signal
downscaling, or decimation; and interpolation. The term multi-rate digital signal processing is sometimes used to refer to systems that incorporate sample-rate
Sample-rate_conversion
Set of digital telephony standards
telephone system consisted of digital links like T1/E1 on the long-distance lines between telephone company offices and analog signals on copper telephone wires
ISDN
Range of frequencies occupied by an unmodulated signal
Bissell and David A. Chapman (1992). Digital Signal Transmission. Cambridge University Press. ISBN 0-521-42557-3. Mikael Gustavsson and J. Jacob Wikner
Baseband
Amount by which a signal can exceed a designated nominal level
In digital and analog audio, headroom refers to the amount by which the signal-handling capabilities of an audio system can exceed a designated nominal
Headroom (audio signal processing)
Headroom_(audio_signal_processing)
Finite states of a digital signal
In digital circuits, a logic level is one of a finite number of states that a digital signal can inhabit. Logic levels are usually represented by the
Logic_level
Digital processing technique
multidimensional digital signal processing (mD-DSP) is defined as the application of parallel programming and multiprocessing to digital signal processing techniques
Parallel multidimensional digital signal processing
Parallel_multidimensional_digital_signal_processing
Digital electronic representation of moving visual images
analog signals. Digital video comprises a series of digital images displayed in rapid succession, usually at 24, 25, 30, or 60 frames per second. Digital video
Digital_video
Method for converting signals between digital and analog
encoding signals into low bit depth digital signals at a very high sample-frequency as part of the process of delta–sigma analog-to-digital converters
Delta-sigma_modulation
Audio performance differences between technologies
the two methods are the bandwidth and the signal-to-noise ratio (S/N ratio). The bandwidth of the digital system is determined, according to the Nyquist
Comparison of analog and digital recording
Comparison_of_analog_and_digital_recording
Encodes digital audio as video
digital audio as a video signal for recording on a videocassette recorder. The adapter also has the ability to decode a video signal back to digital audio
PCM_adaptor
Test signal in telecommunications
In digital telephony, the digital milliwatt is a standard test signal that serves as a reference for analog signal levels in the telecommunications network
Digital_milliwatt
Family of digital video interfaces
standards are used for transmission of uncompressed, unencrypted digital video signals (optionally including embedded audio and time code) within television
Serial_digital_interface
Digital signal resampling method
In digital signal processing, upsampling, expansion, and interpolation are terms associated with the process of resampling in a multi-rate digital signal
Upsampling
Device in signal processing
electronic instrumentation and signal processing, a time-to-digital converter (TDC) is a device that detects events and produces digital representations of the
Time-to-digital_converter
Global switchover to digital television
digital broadcasts; viewers must either purchase new digital TVs, or digital converter boxes which have a digital tuner and change the digital signal
Digital_television_transition
Audio codec
Dolby Digital Plus, also known as Enhanced AC-3 (and commonly abbreviated as DDP, DD+, E-AC-3 or EC-3), is a digital audio compression scheme developed
Dolby_Digital_Plus
Annual festival of light art and digital culture in Prague
Signal Festival is a Prague-based festival of digital and creative culture, held annually since 2013. The festival transforms the city into an open-air
Signal_Festival
Standardized optical fiber digital audio interconnect
which the digital optical socket carries (transmits) a stream of digital audio signals from audio equipment (CD player, DVD player, Digital Audio Tape
TOSLINK
Television transmission using digital encoding
Digital television (DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which
Digital_television
Frameworks for modeling variables that evolve over time
Discrete-time signals, used in digital signal processing, can be obtained by sampling and quantization of continuous signals. Continuous signal may also be defined
Discrete time and continuous time
Discrete_time_and_continuous_time
Audio or video represented as a stream of discrete numbers
In digital recording, an audio or video signal is converted into a stream of discrete numbers representing the changes over time in air pressure for audio
Digital_recording
Smart antenna with multi channels digital beamforming
to digital signal processing in DAA is the "digital beamforming" after Analog-to-digital converters (ADC) of receiver channels or before Digital-to-analog
Digital_antenna_array
Electronic moving image
video encodes images electronically, turning them into analog or digital electronic signals for transmission and recording. Video was originally exclusively
Video
Television that uses analog signals
signal becomes snowy and subject to interference. In contrast, picture quality from a digital television (DTV) signal remains good until the signal level
Analog_television
Audio effect
A digital delay line (or simply delay line, also called delay filter) is a discrete element in a digital filter that allows a signal to be delayed by a
Digital_delay_line
2026 studio album by Muse
The Wow! Signal is the tenth studio album by the English rock band Muse, released on 26 June 2026 through Warner Records and Helium-3. It was produced
The_Wow!_Signal_(album)
Technological basis for the SoundDroid
The Audio Signal Processor (ASP) is a large-scale digital signal processor developed by James A. Moorer at Lucasfilm's The Droid Works. Moorer programmed
Audio_Signal_Processor
Model of signal reconstruction in digital-to-analog (DAC) converters
signal reconstruction done by a conventional digital-to-analog converter (DAC). That is, it describes the effect of converting a discrete-time signal
Zero-order_hold
Digital TV with specs similar to analog broadcasts
systems mentioned. In North America, digital SDTV is broadcast in the same 4:3 fullscreen aspect ratio as NTSC signals, with widescreen content often being
Standard-definition television
Standard-definition_television
Number of bits of information recorded for each digital audio sample
PCM digital signals. Non-PCM formats, such as those using lossy compression, do not have associated bit depths. A PCM signal is a sequence of digital audio
Audio_bit_depth
Ratio of the fundamental signal to the output's strongest spurious signal
fundamental signal to the strongest spurious tone in the output. It is also defined as a measure used to specify analog-to-digital and digital-to-analog
Spurious-free_dynamic_range
Colour in an image or video
amplitude of this modulated chrominance signal correspond approximately to the hue and saturation of the color. In digital-video and still-image color spaces
Chrominance
Digital representation of sampled analog signals
to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs, digital telephony and other digital audio
Pulse-code_modulation
Electronic method for digitally capturing and retransmitting RF signals
Digital Radio Frequency Memory (DRFM) is an electronic method for digitally capturing and retransmitting RF signals. DRFM systems are typically used in
Digital radio frequency memory
Digital_radio_frequency_memory
Multiple converters working in parallel
Communications) standard, where high-speed ADCs were essential for digital signal processing in mobile phones. Companies like Analog Devices and Texas
Time-interleaved_ADC
Baseband analog video signal format
video signal on magnetic tape. With the advent of affordable, high-speed analog-to-digital converters, real-time composite-to-YUV sampled digital sampling
Composite_video
Standards for terrestrial television signals
picture content. Modern digital processing circuits have achieved a similar effect but using the front porch of the video signal. Given all of these parameters
Broadcast_television_systems
Oscilloscope that stores and analyses signals digitally
A digital storage oscilloscope (DSO) is an oscilloscope which stores and analyses the input signal digitally rather than using analog techniques. It is
Digital_storage_oscilloscope
Instrument for displaying time-varying signals
often use digital signal sampling. Samples feed fast analog-to-digital converters, following which all signal processing (and storage) is digital. Many oscilloscopes
Oscilloscope
Digital signal sample rate converter
In digital signal processing, a cascaded integrator–comb (CIC) is a computationally efficient class of low-pass finite impulse response (FIR) filter that
Cascaded integrator–comb filter
Cascaded_integrator–comb_filter
Measure for analyzing digitizing schemes
the maximum nominal signal strength and the quantization error (also known as quantization noise) introduced in the analog-to-digital conversion. As SQNR
Signal-to-quantization-noise ratio
Signal-to-quantization-noise_ratio
Function used in signal processing
Memorandum. Rabiner, Lawrence R.; Gold, Bernard (1975). "3.11". Theory and application of digital signal processing. Englewood Cliffs, N.J.: Prentice-Hall.
Window_function
Discrete, discontinuous representation of information
non-electronic digital signal, with just two states (on and off). In particular, smoke signals are one of the oldest examples of a digital signal, where an
Digital_data
Type of electronic or electrochemical sensor
measuring signal is directly converted into a digital signal inside the sensor. The data transmission through the cable is also digital. This digital data
Digital_sensor
Series of Digital Signal Processor chips
TMS320 is a blanket name for a series of digital signal processors (DSPs) from Texas Instruments. It was introduced on April 8, 1983, through the TMS32010
TMS320
Chinese digital TV standard
DTMB (Digital Terrestrial Multimedia Broadcast) (Chinese: 数字地面多媒体广播) is the digital TV standard for mobile and fixed devices, developed in the People's
Digital Terrestrial Multimedia Broadcast
Digital_Terrestrial_Multimedia_Broadcast
Device for suppressing part of a signal
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
Filter_(signal_processing)
Digital radio standard
reception quality degrades rapidly when the signal strength falls below a critical threshold (as is normal for digital broadcasts), whereas FM reception quality
Digital_Audio_Broadcasting
Type of television tuner to display digital signals on analog sets
digital television (DTV) transmission, and converts the digital signal into an analog signal that can be received and displayed on an analog television
Digital_television_adapter
Ratio of the desired signal to the background noise
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
Signal-to-noise_ratio
Family of digital signal processors
The Motorola DSP56000 (also known as 56K) is a family of digital signal processor (DSP) chips produced by Motorola Semiconductor (later Freescale Semiconductor
Motorola_56000
interference canceller (known as XPIC) is a signal processing technique implemented on the demodulated received signals at the baseband level. It is typically
XPIC
Filter whose phase response is proportional to frequency
linear-phase filters where the group delay is zero. In non-real-time digital signal processing, this can be obtained from any linear-phase filter simply
Linear_phase
Synthesizer that uses digital signal processing to make sounds
A digital synthesizer is a synthesizer that uses digital signal processing (DSP) techniques to make musical sounds, in contrast to older analog synthesizers
Digital_synthesizer
Tool for digital signal processing
synthesis, meaning reconstitution of a complete signal resulting from the filtering process. In digital signal processing, the term filter bank is also commonly
Filter_bank
Similar to 1-D Digital signal processing in case of the Multidimensional signal processing we have Efficient algorithms. The efficiency of an Algorithm
Fast Algorithms for Multidimensional Signals
Fast_Algorithms_for_Multidimensional_Signals
Type of low-pass filter
needs to compute only half as many output samples as input samples. In digital signal processing, half-band filters are widely used for their efficiency in
Half-band_filter
Technique for reducing low-resolution image distortion
In digital signal processing, spatial anti-aliasing is a technique for minimizing the distortion artifacts (aliasing) when representing a high-resolution
Spatial_anti-aliasing
2025 California law requiring OS-level age signals for app developers
birth date, age, or both, of the device's primary user and provide a digital signal specifying the associated age bracket via a "reasonably consistent real-time
California Digital Age Assurance Act
California_Digital_Age_Assurance_Act
Digital radio broadcast technology
its own. HD Radios tune into the station's analog signal first and then look for a digital signal. The European DRM system shares channels similar to
HD_Radio
Electronic measuring instrument that combines several measurement functions in one unit
multimeter the signal under test is converted to a voltage and an amplifier with electronically controlled gain preconditions the signal. A digital multimeter
Multimeter
Video signal that has been split into component channels
Component video is an analog video signal split into two or more component channels. In popular use, it refers to a type of component analog video (CAV)
Component_video
Process of sampling signals from sensors and converting into digital data
the process of sampling signals that measure real-world physical conditions and converting the resulting samples into digital numeric values that can
Data_acquisition
Study of speech signals and the processing methods of these signals
processing is the study of speech signals and the processing methods of signals. The signals are usually processed in a digital representation, so speech processing
Speech_processing
1977 radio signal detected as part of SETI
The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States
Wow!_signal
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