• of signal compression include: Bandwidth compression Data compression Dynamic range compression Gain compression Image compression Lossy compression One-way...
    517 bytes (85 words) - 09:15, 22 October 2017
  • For data compression, signaling compression, or SigComp, is a compression method designed especially for compression of text-based communication data...
    3 KB (387 words) - 21:40, 21 July 2024
  • Thumbnail for Dynamic range compression
    Dynamic range compression (DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet...
    39 KB (4,695 words) - 10:49, 12 July 2025
  • and correction or line coding, the means for mapping data onto a signal. Data Compression algorithms present a space-time complexity trade-off between the...
    68 KB (7,556 words) - 07:48, 8 July 2025
  • estimation, statistical signal processing, digital image processing, data compression, video coding, audio coding, image compression, signal processing for telecommunications...
    27 KB (2,992 words) - 23:14, 26 July 2025
  • Thumbnail for Quantization (signal processing)
    rounding. Quantization also forms the core of essentially all lossy compression algorithms. The difference between an input value and its quantized value...
    41 KB (6,284 words) - 20:31, 25 July 2025
  • can be compressed using the mechanism known as SigComp (signaling compression). Compression algorithms perform this operation by substituting repeated...
    53 KB (6,787 words) - 23:02, 15 May 2025
  • Pulse compression is a signal processing technique commonly used by radar, sonar and echography to either increase the range resolution when pulse length...
    31 KB (5,513 words) - 00:27, 10 July 2025
  • Discrete cosine transform (category Data compression)
    Ahmed in 1972, is a widely used transformation technique in signal processing and data compression. It is used in most digital media, including digital images...
    101 KB (11,972 words) - 11:01, 5 July 2025
  • Thumbnail for Wavelet transform
    Wavelet compression is a form of data compression well suited for image compression (sometimes also video compression and audio compression). Notable...
    28 KB (3,993 words) - 15:23, 21 July 2025
  • Expander may refer to: Dynamic range compression operated in reverse Part of the process of signal compression Part of the process of companding A component...
    917 bytes (154 words) - 01:54, 27 May 2023
  • Thumbnail for Signal transmission
    example, digitizing an analog signal, and data compression. Transmission of a digital message, or of a digitized analog signal, is known as data transmission...
    2 KB (131 words) - 07:22, 21 September 2024
  • Thumbnail for Nasir Ahmed (engineer)
    Nasir Ahmed (engineer) (category Data compression researchers)
    used data compression transformation, the basis for most digital media standards (image, video and audio) and commonly used in digital signal processing...
    21 KB (1,529 words) - 22:35, 23 May 2025
  • Entropy coding (category Data compression)
    characteristics of a data stream are known in advance (especially for signal compression), a simpler static code may be useful. These static codes include...
    4 KB (478 words) - 14:12, 18 June 2025
  • Thumbnail for A-law algorithm
    A-law algorithm (category Data compression)
    least one country uses it. μ-law algorithm Dynamic range compression Signal compression Companding G.711 DS0 Tapered floating point Waveform Coding Techniques...
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  • digital signal processing, downsampling, compression, and decimation are terms associated with the process of resampling in a multi-rate digital signal processing...
    14 KB (1,804 words) - 14:33, 28 November 2024
  • Thumbnail for RF power amplifier
    include gain, power output, bandwidth, power efficiency, linearity (low signal compression at rated output), input and output impedance matching, and heat dissipation...
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  • Thumbnail for MP3
    MP3 (redirect from Data compression/MP3)
    most listeners; for example, compared to CD-quality digital audio, MP3 compression can commonly achieve a 75–95% reduction in size, depending on the bit...
    108 KB (11,631 words) - 14:07, 25 July 2025
  • lossless data compression algorithm that is focused on compression and decompression speed. It belongs to the LZ77 family of byte-oriented compression schemes...
    8 KB (716 words) - 03:46, 21 July 2025
  • Thumbnail for Image compression
    Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...
    16 KB (1,761 words) - 13:33, 20 July 2025
  • compression codecs (e.g., for image compression). The signal in this case is the original data, and the noise is the error introduced by compression....
    10 KB (1,205 words) - 09:40, 30 April 2025
  • Thumbnail for Lossy compression
    In information technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and...
    26 KB (3,269 words) - 15:54, 15 June 2025
  • Parallel compression, also known as New York compression, is a dynamic range compression technique used in sound recording and mixing. Parallel compression, a...
    8 KB (1,085 words) - 07:15, 27 June 2025
  • Codec (category Data compression)
    addition to encoding a signal, a codec may also compress the data to reduce transmission bandwidth or storage space. Compression codecs are classified...
    10 KB (1,278 words) - 17:08, 4 January 2025
  • of compressions and rarefactions. The energy contained in audio signals or sound power level is typically measured in decibels. As audio signals may...
    14 KB (1,484 words) - 16:08, 23 December 2024
  • Thumbnail for G.729
    G.729 is a royalty-free narrow-band vocoder-based audio data compression algorithm using a frame length of 10 milliseconds. It is officially described...
    16 KB (1,542 words) - 21:37, 25 April 2024
  • message. Out-of-band signaling has been used since Signaling System No. 6 (SS6) was introduced in the 1970s, and also in Signalling System No. 7 (SS7) in...
    7 KB (962 words) - 09:05, 5 March 2025
  • Adaptive differential pulse-code modulation (category Data compression)
    each, giving a 64 kbit/s digital signal known as DS0. The default signal compression encoding on a DS0 is either μ-law (mu-law) PCM (North America and...
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  • Dual-tone multi-frequency (DTMF) signaling is a telecommunication signaling system using the voice-frequency band over telephone lines between telephone...
    19 KB (2,098 words) - 03:32, 28 July 2025
  • technical issues of signal compression that Bell Labs would eventually resolve. Signal compression, and its later sibling data compression were fundamental...
    57 KB (6,396 words) - 17:48, 10 July 2025