Desarrollo de Algoritmos para Muestreo Compresivo Aplicado a Señales de Audio

@inproceedings{Moreno2014DesarrolloDA,
  title={Desarrollo de Algoritmos para Muestreo Compresivo Aplicado a Se{\~n}ales de Audio},
  author={Rodolfo G Moreno and Mauricio A Mart{\'i}nez and Mariko M Nakano and Hector Perez},
  year={2014}
}
In this paper, it is proposed to apply the discrete cosine transform (DCT) and the compressive sampling (CS) techniques to audio signal compression. Using spectral analysis and the properties of the DCT, audio signals can be treated as sparse signals in the frequency domain. This is especially true for sounds representing tones. Thus, it is proposed using the DCT as a preprocessor to obtain a sparse representation in the frequency domain, combined with CS to obtain an efficient representation… CONTINUE READING

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