signal processing - meaning and definition. What is signal processing
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What (who) is signal processing - definition

MODELS AND ANALYZES DATA REPRESENTATIONS OF PHYSICAL EVENTS
Signal theory; Signal processsing; Signal Processing; Multi-scale signal analysis; Signal processor; Signals processing; Statistical signal processing; Statistical Signal Processing; Signal analysis; Signal conditioner; Polynomial signal processing; Signal Processor; History of signal processing; Computer-assisted signal processing; List of applications of signal processing
  • Seismic signal processing
  • current]] or [[voltage]] waveforms, which then are processed, transmitted as [[electromagnetic wave]]s, received and converted by another transducer to final form.

Audio signal processing         
ELECTRONIC MANIPULATION OF AUDIO SIGNALS
Audio Signal Processing; Audio processor; Sound processing; Digital audio processing; History of audio signal processing; Applications of audio signal processing

Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic representations of sound waves—longitudinal waves which travel through air, consisting of compressions and rarefactions. The energy contained in audio signals is typically measured in decibels. As audio signals may be represented in either digital or analog format, processing may occur in either domain. Analog processors operate directly on the electrical signal, while digital processors operate mathematically on its digital representation.

Analog signal processing         
TYPE OF SIGNAL PROCESSING
Analog signal processor; Analogue signal processing; Analog Signal Processing
Analog signal processing is a type of signal processing conducted on continuous analog signals by some analog means (as opposed to the discrete digital signal processing where the signal processing is carried out by a digital process). "Analog" indicates something that is mathematically represented as a set of continuous values.
Digital signal processing         
  • An example of the 2D discrete wavelet transform that is used in [[JPEG2000]]. The original image is high-pass filtered, yielding the three large images, each describing local changes in brightness (details) in the original image. It is then low-pass filtered and downscaled, yielding an approximation image; this image is high-pass filtered to produce the three smaller detail images, and low-pass filtered to produce the final approximation image in the upper-left.
MATHEMATICAL SIGNAL MANIPULATION BY COMPUTERS
Signal sampling; Digital Signal Processing; Digtial Signal Processor; Native processing; DIGITAL SIGNAL PROCESSING; Digital transform; Applications of 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. The digital signals processed in this manner are a sequence of numbers that represent samples of a continuous variable in a domain such as time, space, or frequency.

Wikipedia

Signal processing

Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements. Signal processing techniques are used to optimize transmissions, digital storage efficiency, correcting distorted signals, subjective video quality and to also detect or pinpoint components of interest in a measured signal.

Examples of use of signal processing
1. The camcorder also has an updated––more sensitive––microphone with improved signal processing.
2. The SP5050 has DSP (digital signal processing) that helps with reducing background noise, which is quite helpful here.
3. The company specialises in digital signal processing and analogue chips used in mobile telephones, music players and other electronic gadgets.
4. Friday The 6th WSEAS International Conference on signal processing, computational geometry and artificial vision is held in Aghios Nikolaos in Crete.
5. Its audio quality is enhanced even more with Digital Signal Processing (DSP), canceling out excess noises and echoes. «We are committed to providing convenient communications in the car — and out of it too.