[PDF] Non-linear frequency warping using constant-Q transformation for speech emotion recognition | Semantic Scholar
@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).