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Volume 32 Issue 3
Aug.  2010
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Ge Yun, Zhang Dong. New Fast Algorithm for Modulated Complex Lapped Transform with Arbitrary Windowing Function[J]. Journal of Electronics & Information Technology, 2010, 32(3): 747-749. doi: 10.3724/SP.J.1146.2009.00204
Citation: Ge Yun, Zhang Dong. New Fast Algorithm for Modulated Complex Lapped Transform with Arbitrary Windowing Function[J]. Journal of Electronics & Information Technology, 2010, 32(3): 747-749. doi: 10.3724/SP.J.1146.2009.00204

New Fast Algorithm for Modulated Complex Lapped Transform with Arbitrary Windowing Function

doi: 10.3724/SP.J.1146.2009.00204
  • Received Date: 2009-02-20
  • Rev Recd Date: 2009-07-21
  • Publish Date: 2010-03-19
  • A new algorithm for efficient computation of the Modulated Complex Lapped Transform (MCLT) with arbitrary windowing function is presented. For the MCLT of length-2M input data sequence, the proposed method is based on computing a length-2M type-II generalized discrete Hartley transform. Comparison with existing algorithms shows that the proposed method achieves the minimal number of arithmetic operations.
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  • Malvar H S. Fast algorithm for the modulated complexlapped transform[J].IEEE Signal Processing Letters.2003,10(1):8-10[2]Jose Juan Garcia-Hernandez and Mariko Nakano-Miyatake.Data hiding in audio signal using Rational Dither Modulation[J].IEICE Electronics Express.2008, 5(7):217-222[3]Dai Q and Chen X. New algorithm for modulated complexlapped transform with symmetrical window function[J].IEEESignal Processing Letters.2004, 11(12):925-928[4]Chen X and Dai Q. A novel DCT-based algorithm forcomputing the modulated complex lapped transform[J].IEEETransactions on Signal Processing.2006, 54(11):4480-4484[5]Britanak V, Yip Y, and Rao K R. Discrete Cosine and SineTransforms: General Properties, Fast Algorithms and IntegerApproximations. New York: Academic, 2007: 117-195.[6]Dai Xingdong and Meghanad D. Wagh fast algorithm formodulated complex lapped transform[J].IEEE SignalProcessing Letters.2009, 16(1):30-32[7]Hu N C, Chang H I, and Ersoy O K. Generalized discreteHartley transforms[J].IEEE Transactions on Signal Processing.1992, 40(12):2931-2940[8]Bi G, Chen Y, and Zeng Y. Fast algorithms for generalizeddiscrete Hartley transform of composite sequence lengths[J].IEEE Transactions on Circuits System. II.2000, 47(9):893-901
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