A constrained matching pursuit approach to audio declipping

@article{Adler2011ACM,
  title={A constrained matching pursuit approach to audio declipping},
  author={Amir Adler and Valentin Emiya and Maria G. Jafari and Michael Elad and R{\'e}mi Gribonval and Mark D. Plumbley},
  journal={2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2011},
  pages={329-332}
}
We present a novel sparse representation based approach for the restoration of clipped audio signals. In the proposed approach, the clipped signal is decomposed into overlapping frames and the declipping problem is formulated as an inverse problem, per audio frame. This problem is further solved by a constrained matching pursuit algorithm, that exploits the sign pattern of the clipped samples and their maximal absolute value. Performance evaluation with a collection of music and speech signals… CONTINUE READING

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