Table 1 Experimental conditions
From: Nonlinear speech enhancement by virtual increase of channels and maximum SNR beamformer
Number of real microphones | 2 |
Number of virtual microphones N v | 0–9 |
Real microphone interval | 4 cm |
Input SIR | 0 dB |
Reverberation time | 640 ms |
Sampling rate | 8 kHz |
FFT frame length | 1024 samples |
FFT frame shift | 256 samples |
Speech-enhanced period length | 20 s |
Target-active period length |θ T| | 10 s |
Target-inactive period length |θ I| | 10 s |