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- Quadrature_mirror_filter abstract "In digital signal processing, a quadrature mirror filter is a filter whose magnitude response is mirror image about of that of another filter. Together these filters are known as the Quadrature Mirror Filter pair.A filter will be quadrature mirror filter of if The filter responses are symmetric about In audio/voice codecs, a quadrature mirror filter pair is often used to implement a filter bank that splits an input signal into two bands. The resulting high-pass and low-pass signals are often reduced by a factor of 2, giving a critically sampled two-channel representation of the original signal. The analysis filters are often related by the following formulae in addition to quadrate mirror property:where is the frequency, and the sampling rate is normalized to .This is known as power complementary property.In other words, the power sum of the high-pass and low-pass filters is equal to 1. Orthogonal wavelets -- the Haar wavelets and related Daubechies wavelets, Coiflets, and some developed by Mallat, are generated by scaling functions which, with the wavelet, satisfy a quadrature mirror filter relationship.".
- Quadrature_mirror_filter wikiPageExternalLink WTpart4.html.
- Quadrature_mirror_filter wikiPageExternalLink Johnston.pdf.
- Quadrature_mirror_filter wikiPageExternalLink waveletIPAM.pdf.
- Quadrature_mirror_filter wikiPageID "237170".
- Quadrature_mirror_filter wikiPageRevisionID "542543488".
- Quadrature_mirror_filter hasPhotoCollection Quadrature_mirror_filter.
- Quadrature_mirror_filter subject Category:Digital_signal_processing.
- Quadrature_mirror_filter subject Category:Filter_theory.
- Quadrature_mirror_filter subject Category:Wavelets.
- Quadrature_mirror_filter comment "In digital signal processing, a quadrature mirror filter is a filter whose magnitude response is mirror image about of that of another filter. Together these filters are known as the Quadrature Mirror Filter pair.A filter will be quadrature mirror filter of if The filter responses are symmetric about In audio/voice codecs, a quadrature mirror filter pair is often used to implement a filter bank that splits an input signal into two bands.".
- Quadrature_mirror_filter label "Filtro QMF".
- Quadrature_mirror_filter label "Filtro espejo en cuadratura".
- Quadrature_mirror_filter label "Quadrature mirror filter".
- Quadrature_mirror_filter label "Квадратурный зеркальный фильтр".
- Quadrature_mirror_filter label "直交ミラーフィルタ".
- Quadrature_mirror_filter sameAs Kvadraturně_zrcadlový_filtr.
- Quadrature_mirror_filter sameAs Filtro_espejo_en_cuadratura.
- Quadrature_mirror_filter sameAs Filtro_QMF.
- Quadrature_mirror_filter sameAs 直交ミラーフィルタ.
- Quadrature_mirror_filter sameAs m.01jfgg.
- Quadrature_mirror_filter sameAs Q2699730.
- Quadrature_mirror_filter sameAs Q2699730.
- Quadrature_mirror_filter wasDerivedFrom Quadrature_mirror_filter?oldid=542543488.
- Quadrature_mirror_filter isPrimaryTopicOf Quadrature_mirror_filter.