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#X text 146 555 musil;
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#X text 153 577 Graz \, Austria;
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#X text 103 544 (c) Thomas Musil 2000 - 2010;
#X text 17 16 sparse_FIR~;
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#X text 134 16 convolve a signal with a coefficent list of non zero
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set to zero and won't be calculated (sparse).;
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#X text 177 74 will change the max. order of FIR filter (or size).
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