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. 2022 Mar 28;2022:6005446. doi: 10.1155/2022/6005446

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Copyright © 2022 Abeer Ali Alnuaim et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Spectrogram for an audio with sad emotion.