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. 2024 Feb 28;10:e1901. doi: 10.7717/peerj-cs.1901

Table 4. Spectrograms Analysis of Noisy Speech Signal and Enhanced Signal of AWGN, Airport, Babble, Car, Exhibition and Restaurant Noises.

Noise at −5db SNR level (a): Noisy Speech Signal (b): Enhanced Signal/ Reconstructed Signal (BAV-MCSE) (c): Enhanced Signal/ Reconstructed Signal
(DWT-CNN-MCSE)
AWGN graphic file with name peerj-cs-10-1901-i012.jpg graphic file with name peerj-cs-10-1901-i013.jpg graphic file with name peerj-cs-10-1901-i014.jpg
Airport graphic file with name peerj-cs-10-1901-i015.jpg graphic file with name peerj-cs-10-1901-i016.jpg graphic file with name peerj-cs-10-1901-i017.jpg
Babble graphic file with name peerj-cs-10-1901-i018.jpg graphic file with name peerj-cs-10-1901-i019.jpg graphic file with name peerj-cs-10-1901-i020.jpg
Car graphic file with name peerj-cs-10-1901-i021.jpg graphic file with name peerj-cs-10-1901-i022.jpg graphic file with name peerj-cs-10-1901-i023.jpg
Exhibition graphic file with name peerj-cs-10-1901-i024.jpg graphic file with name peerj-cs-10-1901-i025.jpg graphic file with name peerj-cs-10-1901-i026.jpg
Restaurant graphic file with name peerj-cs-10-1901-i027.jpg graphic file with name peerj-cs-10-1901-i028.jpg graphic file with name peerj-cs-10-1901-i029.jpg