Acoustic fingerprint
For acoustic emissions of ships and submarines see Acoustic signature. An acoustic fingerprint is a unique code generated from an audio waveform. Depending upon the particular algorithm acoustic fingerprints can be used to automatically categoriz..
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Adaptive Transform Acoustic Coding
Adaptive Transform Acoustic Coding ATRAC is a family of proprietary audio compression algorithms developed by Sony. MiniDisc was the first commercial product to incorporate ATRAC in 1992. ATRAC allowed a relatively small disc like MiniDisc to hav..
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Ant colony optimization
The ant colony optimization algorithm ACO introduced by Marco Dorigo in his PhD thesis is a probabilistic technique for solving computational problems which can be reduced to finding good paths through graphs. They are inspired by the behaviour o..
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Audio compression (data)
This article is about a process which reduces the data rate or file size of digital audio signals. For processes which reduce the dynamic range without changing the amount of digital data of audio signals see dynamic range compression audio.For p..
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Backdoor (computing)
A backdoor in a computer system or cryptosystem or algorithm is a method of bypassing normal authentication securing remote access to a computer obtaining access to plaintext and so on while attempting to remain undetected. The backdoor may take ..
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Chung Kwei (algorithm)
Chung Kwei is a spam filtering algorithm based on the Tiresias algorithm for finding coding genes within bulk DNA. <pXXX CBR XX..
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Codec
This article is on the compressiondecompression algorithms used in digital media. For other uses of codec see Codec disambiguation. . A codec is a device or program capable of performing encoding and decoding on a digital data stream or signal. ..
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Combinatorial optimization
Combinatorial optimization is a branch of optimization in applied mathematics and computer science related to operations research algorithm theory and computational complexity theory that sits at the intersection of several fields including artif..
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Compression artifact
Original image with good color grade.Loss of edge clarity and tone "fuzziness" in JPEG compression. A compression artifact or artefact is the result of an aggressive data compression scheme applied to an image audio or video that discards some da..
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Context-adaptive binary arithmetic coding
Context adaptive binary arithmetic coding CABAC is a form of entropy coding used in H.264MPEG 4 AVC video encoding. As such it is an inherently lossless compression technique. It is notable for providing considerably better compression than most ..
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CSS (disambiguation)
CSS may stand for: In computing: . Cascading Style Sheets a language useful in describing the style of document presentations Content Scramble System an encryption algorithm in DVDs Central Structure Store in the PHIGS 3D API Closed source softw..
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Data compression ratio
Data compression ratio also known as compression power is a computer science term used to quantify the reduction in data representation size produced by a data compression algorithm. The data compression ratio is analogous to the physical compres..
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Dirac (codec)
For the physicist see Paul Dirac. For other uses of this word see Dirac disambiguation. Dirac is a prototype algorithm for the encoding and decoding of raw video. It was presented by the BBC in January 2004 as the basis of a new codec for the tra..
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Dolby Digital Plus
Dolby Digital Plus logo Dolby Digital Plus DD+ or E AC 3 is a digital audio compression scheme developed specifically for the introduction of HDTV and HD DVDBlu ray Disc. It is a development of the earlier Dolby Digital system. Compared to Dolby ..
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DSPACE
For digital repositories see DSpace . In computational complexity theory DSPACE or SPACE is the computational resource describing the resource of memory space for a deterministic Turing machine. It represents the total amount of memory space tha..
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Dulance
Dulance was a price engine that specialized in searching for hard to find products often sold by small independent online retailers “The Long Tail”. Overview . . Dulance was different from other price engines in that it relied on spidering scre..
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EM
Look up em inWiktionary the free dictionary. . EM Em or em has several meanings: Computing . . . emphasis typography or the HTML element for emphasis Expectation maximization algorithm used for statistical computing Scientific . . . Effecti..
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Encryption
"Encrypt" redirects here. For the film see Encrypt film.This article is about algorithms for encryption and decryption. For an overview of cryptographic technology in general see Cryptography. In cryptography encryption is the process of transfor..
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