annotate arrows/dsp/spec_bench2.m @ 6:0ce3c2070089
Removed duplicate code and fixed doc in timed_action.
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samer |
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Mon, 14 Jan 2013 14:33:37 +0000 |
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672052bd81f8 |
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1 % spec_bench2 - Arrow for doing spectral-based processing (no phase)
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2 %
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3 % spec_bench ::
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4 % N:natural ~'frame size',
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5 % M:natural ~'hop size'
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6 % arrow( {[dftbins(N),W]}, {[dftbins(N),W]}, S1), ~'arrow to process power spectra',
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7 % -> arrow( {[N,W]}, {[N,W]}, pair(pair(empty,S1),empty)) ~'total arrow'.
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8 %
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9 % This splits a signal into magnitude and phase spectra (using Hanning analysis window),
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10 % applies supplied arrows to the two branches, and then recombines them using an inverse
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11 % DFT and overlap-and-add to compose the output signal.
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12 function o=spec_bench(N,M,a)
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13 o=apowspec(hanning(N))*a*aspecsyn(N,M,@hanning);
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14 end
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