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@article{Singh2021NonlinearFW,
  title={Non-linear frequency warping using constant-Q transformation for speech emotion recognition},
  author={Premjeet Singh and Goutam Saha and Md. Sahidullah},
  journal={2021 International Conference on Computer Communication and Informatics (ICCCI)},
  year={2021},
  pages={1-6},
  url={https://api.semanticscholar.org/CorpusID:231846518}
}

The constant-Q transform (CQT) for speech emotion recognition (SER) provides variable spectro-temporal resolution with higher frequency resolution at lower frequencies, which makes it more promising for SER than standard short-time Fourier transform (STFT).

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