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34 relations: Attenuation distortion, Audio signal, Clipping (audio), Compact Disc Digital Audio, Cutoff frequency, Data transmission, Demodulation, Digital audio, Dolby noise-reduction system, Filter (signal processing), FM broadcasting, Frequency band, Frequency modulation, Frequency response, LP record, Modulation index, PCI Express, Phase modulation, Phonograph, Phonograph record, Power (physics), Quantization (signal processing), RIAA equalization, Serial ATA, Serial Attached SCSI, Serial communication, Signal integrity, Signal-to-noise ratio, Signaling (telecommunications), Specification (technical standard), Spectrogram, Telecommunication, Time constant, Transmission (telecommunications).
Attenuation distortion
Attenuation distortion is the distortion of an analog signal that occurs during transmission when the transmission medium does not have a flat frequency response across the bandwidth of the medium or the frequency spectrum of the signal.
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Audio signal
An audio signal is a representation of sound, typically as an electrical voltage for analog signals and a binary number for digital signals.
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Clipping (audio)
Clipping is a form of waveform distortion that occurs when an amplifier is overdriven and attempts to deliver an output voltage or current beyond its maximum capability.
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Compact Disc Digital Audio
Compact Disc Digital Audio (CDDA or CD-DA) is the standard format for audio compact discs.
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Cutoff frequency
In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced (attenuated or reflected) rather than passing through.
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Data transmission
Data transmission (also data communication or digital communications) is the transfer of data (a digital bitstream or a digitized analog signal) over a point-to-point or point-to-multipoint communication channel.
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Demodulation
Demodulation is extracting the original information-bearing signal from a carrier wave.
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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.
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Dolby noise-reduction system
A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog magnetic tape recording.
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Filter (signal processing)
In signal processing, a filter is a device or process that removes some unwanted components or features from a signal.
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FM broadcasting
FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.
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Frequency band
A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency.
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Frequency modulation
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
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Frequency response
Frequency response is the quantitative measure of the output spectrum of a system or device in response to a stimulus, and is used to characterize the dynamics of the system.
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LP record
The LP (from "long playing" or "long play") is an analog sound storage medium, a vinyl record format characterized by a speed of rpm, a 12- or 10-inch (30 or 25 cm) diameter, and use of the "microgroove" groove specification.
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Modulation index
The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level.
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PCI Express
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X, and AGP bus standards.
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Phase modulation
Phase modulation (PM) is a modulation pattern for conditioning communication signals for transmission.
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Phonograph
The phonograph is a device for the mechanical recording and reproduction of sound.
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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.
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Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
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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.
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RIAA equalization
RIAA equalization is a specification for the recording and playback of phonograph records, established by the Recording Industry Association of America (RIAA).
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Serial ATA
Serial ATA (SATA, abbreviated from Serial AT Attachment) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.
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Serial Attached SCSI
In computing, Serial Attached SCSI (SAS) is a point-to-point serial protocol that moves data to and from computer-storage devices such as hard drives and tape drives.
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Serial communication
In telecommunication and data transmission, serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus.
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Signal integrity
Signal integrity or SI is a set of measures of the quality of an electrical signal.
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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.
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Signaling (telecommunications)
In telecommunication, signaling has the following meanings.
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Specification (technical standard)
A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service.
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Spectrogram
A spectrogram is a visual representation of the spectrum of frequencies of sound or other signal as they vary with time.
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Telecommunication
Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.
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Time constant
In physics and engineering, the time constant, usually denoted by the Greek letter τ (tau), is the parameter characterizing the response to a step input of a first-order, linear time-invariant (LTI) system.
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Transmission (telecommunications)
In telecommunications, transmission (abbreviations: TX, Xmit) is the process of sending and propagating an analogue or digital information signal over a physical point-to-point or point-to-multipoint transmission medium, either wired, optical fiber or wireless.
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Redirects here:
De-emphasis, Deemphasis, Pre-emphasis, Pre-emphasis network, Preemphasis, Preemphasis network.
References
[1] https://en.wikipedia.org/wiki/Emphasis_(telecommunications)
