Multichannel Speech Enhancement in Vehicle Environment Based on Interchannel Attention Mechanism

Figure 6

The spectrum of four methods under distributed 4-channel microphone array. (a) NCC method. (b) ICD method. (c) MCS method. (d) IAF method, where (i) represents clear speech, (ii) represents noisy speech with SNR = −10 dB, and (iii) represents denoised speech.

(a)

(b)

(c)

(d)