UA109749C2 - TRANSFORMATION OF ACTUAL SPECTRAL COMPONENTS IN A SMALL DELAY COMPLEX IN FILTER BLOCKS TO PARTLY COMPLEX - Google Patents

TRANSFORMATION OF ACTUAL SPECTRAL COMPONENTS IN A SMALL DELAY COMPLEX IN FILTER BLOCKS TO PARTLY COMPLEX

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Publication number
UA109749C2
UA109749C2 UAA201409248A UAA201409248A UA109749C2 UA 109749 C2 UA109749 C2 UA 109749C2 UA A201409248 A UAA201409248 A UA A201409248A UA A201409248 A UAA201409248 A UA A201409248A UA 109749 C2 UA109749 C2 UA 109749C2
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UA
Ukraine
Prior art keywords
complex
compartment
signal
blocks
transformation
Prior art date
Application number
UAA201409248A
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Russian (ru)
Ukrainian (uk)
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Publication date
Application filed filed Critical
Priority claimed from PCT/EP2013/053607 external-priority patent/WO2013124443A1/en
Publication of UA109749C2 publication Critical patent/UA109749C2/en

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Abstract

Розташування блоків фільтрів, що перекриваються, містить відсік синтезу та відсік аналізу. Відсік синтезу приймає перший сигнал, розділений на часові блоки, та виводить на його основі проміжний сигнал, що має бути отриманий відсіком аналізу, що формує основу для обчислення другого сигналу, розділеного на часові кадри. В варіанті здійснення відсік синтезу призначений для розкриття приблизного значення проміжного сигналу у часовому блоці, що знаходиться на L-1 часові блоки попереду його вихідного блока, приблизне значення якого обчислюється на основі будь-яких доступних часових блоків першого сигналу, так що приблизне значення вноситься у відсікові аналізу до другого сигналу. Затримка зазвичай знижується на L-1 блоки. Застосування включають в цілому обробку звукових сигналів та, зокрема, перетворення дійсних спектральних компонентів в комплексні.The location of the overlapping filter blocks contains a synthesis compartment and an analysis compartment. The synthesis compartment receives the first signal divided into time blocks and outputs an intermediate signal from it, which should be obtained by the analysis compartment that forms the basis for calculating the second signal divided into time frames. In an embodiment, the synthesis compartment is designed to reveal an approximate value of an intermediate signal in a time block located on the L-1 time blocks ahead of its output block, an approximate value of which is calculated on the basis of any available time blocks of the first signal, so that the approximate value is entered in compartment analysis to the second signal. The delay is usually reduced by L-1 blocks. Applications include the processing of audio signals and, in particular, the transformation of real spectral components into complex ones.

UAA201409248A 2012-02-24 2013-02-22 TRANSFORMATION OF ACTUAL SPECTRAL COMPONENTS IN A SMALL DELAY COMPLEX IN FILTER BLOCKS TO PARTLY COMPLEX UA109749C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261602848P 2012-02-24 2012-02-24
PCT/EP2013/053607 WO2013124443A1 (en) 2012-02-24 2013-02-22 Low delay real-to-complex conversion in overlapping filter banks for partially complex processing

Publications (1)

Publication Number Publication Date
UA109749C2 true UA109749C2 (en) 2015-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201409248A UA109749C2 (en) 2012-02-24 2013-02-22 TRANSFORMATION OF ACTUAL SPECTRAL COMPONENTS IN A SMALL DELAY COMPLEX IN FILTER BLOCKS TO PARTLY COMPLEX

Country Status (1)

Country Link
UA (1) UA109749C2 (en)

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