Practically Efficient Blind Speech Separation Using Frequency Band Selection Based on Magnitude Squared Coherence and a Small Dodecahedral Microphone Array

Table 1

Simulation conditions.

Sampling frequency	40 (kHz)
Source signal	Speech (6 males, 6 females), 4 (sec)
Target frequency region	0–8 (kHz)
Number of sources	12
Velocity of sound	340 (m/sec)
Reverberation time	138 (msec)
Window function	Hann
Window length	1024 (sample)
Shift length	256 (sample)
FFT length (𝑁𝐹)	1024 (sample)