# Global ETD Search - ndltd

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The set of N audio signals may be synthesized from M audio signals by upmixing (36), where M is one or more and N is greater than M. Discriminative Correlation Filter with Channel and Spatial Reliability Alan Lukeziˇ ˇc1, Toma´ˇs Voj ´ıˇr2, Luka Cehovin Zajcˇ 1, Jiˇr´ı Matas2 and Matej Kristan1 1Faculty of Computer and Information Science, University of Ljubljana, Slovenia 2Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic {alan.lukezic, luka.cehovin, matej.kristan}@fri.uni-lj.si The compensation of nonlinear signal distortions as caused by small, low-cost loudspeakers driven at high volume by second-order Volterra filters has been investigated in recent works. In the field of acoustic echo cancellation, such undesired signal components are removed by adaptive filtering. Since the performance of the usually applied LMS adaptation suffers from correlations of the input In this study the feasibility and performance of time variable decorrelation (VADER) filters derived from covariance information on decadal Gravity Recovery and Climate Experiment (GRACE) time series are investigated. The VADER filter is based on publicly available data that are provided by several GRACE processing centers, and does not need its own Level-2 processing chain. The objective of this research is to create an ensemble of decorrelation filters that, when combined with a specially treated B-Format Room Impulse Response (RIR), will approximate the expected measurements on a real array of outward-facing cardioid microphones in an acoustic diffuse field.

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We utilize crystal arrays, a certain class of symmetrical microphone arrays with crystal-like geometries, which enable interchannel decorrelation of isotropic noise without knowing the value of its covariance matrix. We refer to this decorrelation as blind noise decorrelation. Filter based trackers model the appearance of objects us-ing ﬁlters trained on example images. The target is ini-tially selected based on a small tracking window cen-tered on the object in the ﬁrst frame. From this point on, tracking and ﬁlter training work together.

## Hyperspektral avbildning - statusrapport 2015 - FOI

Shop a wide variety of Lens Filter Kits; Polarizing Filters, Creative Effects Filters, Diffusion Filters & much more, at B&H. We show that that models regularized with local feature decorrelation have is no guarantee that networks with a high number of filter weights, and thus with a Regarding external connectivity and functionality, a key feature of the adaptive filter model is its use of the decorrelation algorithm, which renders it uniquely av J Nygårds · 2016 · Citerat av 12 — The decorrelation by removing the previous information can also be performed at the local estimates as in the channel filter [8]. C. Covariance Intersection. The CI av O Gustafsson · 2020 — In the first paper, we introduce a filter that removes heteroscedasticity from a decorrelation matrix, L, such that Lεt becomes a sequence of uncorrelated. A Decorrelation Approach to Blind MIMO Signal Separation.

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IEEE Trans. Signal Process. , 2 , 926 - 930 2) Soh, J.K., Douglas, S.C.: `Efficient implementations of the NLMS algorithm with decorrelation filters for acoustic echo cancellation', Proc.

Filter width 125 pm. Decorrelation is a general term for any process that is used to reduce autocorrelation within a signal, or cross-correlation within a set of signals, while preserving other aspects of the signal. A frequently used method of decorrelation is the use of a matched linear filter to reduce the autocorrelation of a signal as far as possible. In general, the de-correlation filtering can be a linear process (such as linear spectrum shaping or linear prediction filtering, LP) or a non-linear process (such as linear prediction coding, LPC). Figure 2 illustrates signal de-correlation for a pair of signals x1(t) and x2(t). Figure 2: De-correlation filters for signal x1(t) and x2(t)
A linear decorrelation and renormalization of the signal channels can be implemented with an operator O, which often improves further multichannel processing.

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You may think of this as filtering out all the wavelengths the instrument should not “care about.” In order for positive filtering to be completely effective, the analyzer must filter out all wavelengths associated with all interfering species. This paper describes a new framework for extracting the target signal in diffuse noise environments. We utilize crystal arrays, a certain class of symmetrical microphone arrays with crystal-like geometries, which enable interchannel decorrelation of isotropic noise without knowing the value of its covariance matrix. We refer to this decorrelation as blind noise decorrelation. Filter based trackers model the appearance of objects us-ing ﬁlters trained on example images. The target is ini-tially selected based on a small tracking window cen-tered on the object in the ﬁrst frame. From this point on, tracking and ﬁlter training work together.

Virtual Surround Sound system makes it possible to reproduce multi channel recording over an ordinary pair of stereo headphones. In the field of spatial hearing, signal decorrelation is known to have a dramatic impact on the
In general, the de-correlation filtering can be a linear process (such as linear spectrum shaping or linear prediction filtering, LP) or a non-linear process (such as linear prediction coding, LPC). Figure 2 illustrates signal de-correlation for a pair of signals x1(t) and x2(t). Figure 2: De-correlation filters for signal x1(t) and x2(t)
ALLPASS FILTERS FOR DECORRELATION Allpass ﬁlters are useful for signal decorrelation because they main- tain a ﬂat frequency response while effecting the phrase and group delay. Digital allpass ﬁlters contain poles inside the unit circle matched with zeros at reciprocal magnitudes and at the same fre- quencies as the pole.

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Lauridsen decorrelation filters. The delay ∂ = 10ms (440 samples is experiment chosen to produce stereo sounds for the application concerned. 5.L HRTF MEASUREMENT The ability of humans to use spatial cues to estimate the spatial location of a target is of great practical and research importance.Recently, In nature decorrelation is a product of the delay, reverberation and filtering properties of any room or space. In the studio, effects processors -reverb, delay, chorus, flanger, comb filter, etc. – produce decorrelated output. The default settings used attempt to maximise the amount of decorrelation between loudspeakers by randomly panning transinets to different loudspeakers and using optimal filters for the steady-state components (that can be longer as there is less risk of transinet smearing). It is commonly known that speckle decorrelation limits the possibility to measure large deformations by electronic speckle pattern interferometry (ESPI).

Python toolbox for decorrelating and upmixing audio signals. the tools needed for offline processing of audio files and includes a range of decorrelation filters.

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### Eventide Rewinds Time with the Clockworks Bundle - Studio

variable filter, has also been started. I hyperspektrala sensorer som använder filter sker spektral separering genom selektiv Color Separation - Decorrelation. Stereo Echo Cancellation(SEC) employing Signal Decorrelation with SEC ; De-correlation; Non-linear Processing NLP ; Time Varying All-Pass Filter TV-APF and coherence decreases, until it finally vanishes. The spatial decorrelation can be removed by a process recognized as range filtering, at the cost of decreased JL-GFDN: A Novel Gabor Filter-Based Deep Network Using Joint Spectral-Spatial Local Binary Pattern for Hyperspectral Image Classification2020Ingår i: Standardvärde: 0.0 dB. 1. Tryck ENTER efter att du valt det filter som ska justera mellan "Filter 1" till Adaptive Decorrelation ändrar tidsaxeln och fasen. A Semidefinite Programming Approach to Spatial Decorrelation of Design of Discrete Coefficient FIR Filters by a Fast Entropy-Directed Reality: Re-Eq is a simple, rational filter to address the fact that home theaters Reality: For Dolby Digital and other 5.1 formats, De-Correlation av L Jämtnäs · 2005 · Citerat av 8 — problems with traditional single-station RTK, e.g.

## Eventide Rewinds Time with the Clockworks Bundle - Studio

In addition to the coefficients, outlier information is an output from filter design, which can be used for gravity field determination. Decorrelation is a general term for any process that is used to reduce autocorrelation within a signal, or cross-correlation within a set of signals, while preserving other aspects of the signal.

You didn’t see that coming, did you?Why is it that, despite a We use cookies for a number of reasons, such as keeping FT Sites reliable and secure, personalising content and ads, providing social media features and to analyse how our Sites are used. Manage cookies What does a high-pass filter do? A high-pass filter reduces low-frequency noise by attenuating some frequencies and letting others pass. A high-pass filter allows high frequencies to pass but cuts, or attenuates, frequencies below a thresho While your vacuum cleaner must have a vacuum bag, a motor, a hose, and a strong agitator brush, without a good vacuum filter you will just be circulating dust. While your vacuum cleaner must have a vacuum bag, a motor, a hose, and a strong There are no products listed under this category. If you'd like to share this PDF, you can purchase copyright permissions by increasing the quantity.