A Novel DCT-Based Algorithm for Computing the Modulated Complex Lapped Transform

@article{Chen2006AND,
  title={A Novel DCT-Based Algorithm for Computing the Modulated Complex Lapped Transform},
  author={Xinjian Chen and Qionghai Dai},
  journal={IEEE Transactions on Signal Processing},
  year={2006},
  volume={54},
  pages={4480-4484}
}
In this correspondence, we propose a novel discrete cosine transform (DCT)-based algorithm for the fast computation of the modulated complex lapped transform (MCLT), which we have previously proposed. The method is mainly based on two DCTs and two stages of butterfly operations. For a length-M MCLT, the proposed algorithm requires only Mlog2M multiplications for the sine window and Mlog2M+2M multiplications for any other window function. Thus, the multiplicative complexity of the proposed… CONTINUE READING

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