Fig. 7From: Multi-resolution auditory cepstral coefficient and adaptive mask for speech enhancement with deep neural networkSpeech enhancement effect samples with − 5 dB factory2 noise. a Waveform of clean speech. b Waveform of noisy speech. c Waveform of enhanced speech with the contrast algorithm 1. d Waveform of enhanced speech with the contrast algorithm 2. e Waveform of enhanced speech with the proposed algorithm. f Spectrogram of clean speech. g Spectrogram of noisy speech. h Spectrogram of enhanced speech with the contrast algorithm 1. i Spectrogram of enhanced speech with the contrast algorithm 2. j Spectrogram of enhanced speech with the proposed algorithmBack to article page