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Multi-Gabor Dictionaries For Audio Time-Frequency …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.7.7778
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In this paper we consider the construction of multiresolution Gabor dictionaries appropriate for audio signal analysis. Motivated by a desire for parsimony and efficiency, we propose and formalise the idea of reduced multi-Gabor systems, showing that they constitute a frame for L (R) and other …
Multi-Gabor dictionaries for audio time-frequency …
https://www.researchgate.net/publication/3927272_Multi-Gabor_dictionaries_for_audio_time-frequency_analysis
Reduced multi-Gabor systems are obtained by a partition of the time -frequency plane which is adapted to audio signals of practical interest [25], [28]. In fact, the original motivation to ...
Multi-Gabor Dictionaries for Audio Time-Frequency …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.136.2992
BibTeX @INPROCEEDINGS{Wolfe01multi-gabordictionaries, author = {Patrick J. Wolfe and Simon J. Godsill}, title = {Multi-Gabor Dictionaries for Audio Time-Frequency Analysis}, booktitle = {Proc. IEEE Wkshp. on Appl. of Sig. Proc. to Audio and Acoust}, year = {2001}, pages = {43--46}}
Multi-Gabor Dictionaries for Audio Time-Frequency Analysis
https://core.ac.uk/display/20989610
Multi-Gabor Dictionaries for Audio Time-Frequency Analysis . By Patrick J. Wolfe and Simon J. Godsill. Abstract. In this paper we consider the construction of multiresolution Gabor dictionaries appropriate for audio signal analysis. Motivated by a desire for parsimony and efficiency, we propose and formalise the idea of reduced multi-Gabor ...
ACCELERATING MATCHING PURSUIT FOR MULTIPLE TIME …
http://ltfat.org/notes/ltfatnote056.pdf
2.1. Multi-Gabor Dictionaries A Gabor dictionary D (g,a,M) generated from a window g ∈R L, ∥g∥ 2 = 1, time shift aand a number of modulations Mis given as D (g,a,M)(l,m+ nM) = g(l−na)e i2πm(l−na)/M (1) for l = 0,...,L−1 and m = 0,...,M−1 for each n = 0,...,N−1, where N = L/ais the number of window time
Fast Matching Pursuit with Multi-Gabor Dictionaries
http://ltfat.org/notes/ltfatnote052.pdf
2.1 Multi-Gabor Dictionaries A Gabor dictionary D (g,a,M) generated from a window g ∈R L,∥g∥ 2 = 1, time shift a and a number of modulations M is given as D (g,a,M)(l,m +nM) = g(l −na)e i2πm(l−na)/M (3) forl = 0,...,L−1andm = 0,...,M−1for eachn = 0,...,N −1, where N = …
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