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MDCT (translated from German)
MDCT MDCT is the abbreviation for Modified Discrete Cosine ... process represents. The main idea of the MDCT is in TDAC (time domain alias cancelation ...
http://de.wikipedia.org/wiki/MDCT - 1k - Cached (German) - Wikipedia (German) - Similar pages
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Modified discrete cosine transform
... cosine transform The modified discrete cosine transform (MDCT) is a Fourier-related transform based on ... compaction qualities of the DCT, makes the MDCT especially attractive for signal compression applications, since ... stemming from the block boundaries. Thus, an MDCT is employed in MP3, AC-3, Ogg ... as other, rarely used, forms of the MDCT based on different types of DCT.) In MP3, the MDCT is not applied to the audio ...
http://en.wikipedia.org/wiki/Modified_discrete_cosine_transform - 25k - Cached - Similar pages
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Modified discrete cosine transform (translated from Spanish)
... well-known by its abbreviations in English, MDCT (Modified Discrete Cosine Transform), one is transformed ... ICASSP 1987, pp 2161-2164. The muestrea MDCT critically, since, although 50% of data are ... the data of the sequence after the MDCT have the same number of coefficients that ... to the original block in which the MDCT was applied. When the blocks of following ... the characteristic of the sly one, the MDCT is very useful for quantification. The ...
http://es.wikipedia.org/wiki/Transformada_Discreta_del_Coseno_Modificada - 3k - Cached (Spanish) - Wikipedia (Spanish) - Similar pages
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Jesusonic
... Lowpass filter * Resonant lowpass filter * Bandpass filter * MDCT filtering * MDCT frequency shift * MDCT sweep filter * Noise gate * Phaser * Programmable auto ...
http://en.wikipedia.org/wiki/Jesusonic - 3k - Cached - Similar pages
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Polyphase quadrature filter
... critical sampling introduces aliasing. Similar to the MDCT time domain alias cancellation the aliasing of ... MPEG-1 Layer III with an additional MDCT, in MPEG-4 AAC-SSR for the ... most of them are based on the MDCT, but are slightly modified.
http://en.wikipedia.org/wiki/Polyphase_quadrature_filter - 2k - Cached - Similar pages
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Kaiser window
... use with the modified discrete cosine transform (MDCT). The KBD window function d k is ... satisfies the Princen-Bradley condition for the MDCT (using the fact that w n−k = w ... symmetric in the proper manner for the MDCT: d k = d 2n−1−k . References Oppenheim, A ...
http://en.wikipedia.org/wiki/Kaiser_window - 5k - Cached - Similar pages
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Advanced Audio Coding
... AAC uses the modified discrete cosine transform (MDCT) together with the increased window lengths of ... Musicam. AAC can be switched dynamically between MDCT block lengths of 2,048 points to ... efficiency and simpler filterbank (hybrid → pure MDCT) Higher coding efficiency for stationary signals (blocksize ...
http://en.wikipedia.org/wiki/Advanced_Audio_Coding - 19k - Cached - Similar pages
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Discrete cosine transform
... functions, and the modified discrete cosine transform (MDCT), which is based on a DCT of ... transform, the modified discrete cosine transform, or MDCT, is used in AAC, Vorbis, and MP3 ... is called the modified discrete cosine transform (MDCT). The DCT-IV implies the boundary conditions ...
http://en.wikipedia.org/wiki/Discrete_cosine_transform - 25k - Cached - Similar pages
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Audio compression (translated from German)
... simple transformations, as "modified discrete cosine transformation" (MDCT), which convert the taken up wave shape ... whether such algorithms work better than on MDCT are based. Most algorithms try to reduce ...
http://de.wikipedia.org/wiki/Audiokompression - 13k - Cached (German) - Wikipedia (German) - Similar pages
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Talk:Modified discrete cosine transform
... that I can see to using the MDCT is that it allows you to convert ... you chose some DCT other than the MDCT the main consequence would be that you ...
http://en.wikipedia.org/wiki/Talk:Modified_discrete_cosine_transform - 3k - Cached - Similar pages
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