Speech samples with varying SNR and different beamformers
-
0 dB
None
STOI: 0.51 Max-EV
STOI: 0.61 Cardioid
STOI: 0.59 Hypercardioid
STOI: 0.59 -
4 dB
None
STOI: 0.59 Max-EV
STOI: 0.71 Cardioid
STOI: 0.68 Hypercardioid
STOI: 0.68 -
8 dB
None
STOI: 0.66 Max-EV
STOI: 0.77 Cardioid
STOI: 0.76 Hypercardioid
STOI: 0.76 -
12 dB
None
STOI: 0.72 Max-EV
STOI: 0.82 Cardioid
STOI: 0.81 Hypercardioid
STOI: 0.81 -
16 dB
None
STOI: 0.75 Max-EV
STOI: 0.86 Cardioid
STOI: 0.85 Hypercardioid
STOI: 0.84 -
20 dB
None
STOI: 0.78 Max-EV
STOI: 0.88 Cardioid
STOI: 0.87 Hypercardioid
STOI: 0.86
Speech samples without beamformig and with Max-EV beamforming after prcoessing by different videoconferencing software and with varying SNR
-
0 dB
None
STOI: 0.51 None-Teams
STOI: 0.59 None-Webex
STOI: 0.61 None-Zoom
STOI: 0.54 Max-EV
STOI: 0.61 Max-EV-Teams
STOI: 0.65 Max-EV-Webex
STOI: 0.72 Max-EV-Zoom
STOI: 0.68 -
10 dB
None
STOI: 0.69 None-Teams
STOI: 0.74 None-Webex
STOI: 0.75 None-Zoom
STOI: 0.74 Max-EV
STOI: 0.81 Max-EV-Teams
STOI: 0.85 Max-EV-Webex
STOI: 0.85 Max-EV-Zoom
STOI: 0.84 -
20 dB
None
STOI: 0.78 None-Teams
STOI: 0.80 None-Webex
STOI: 0.79 None-Zoom
STOI: 0.79 Max-EV
STOI: 0.88 Max-EV-Teams
STOI: 0.88 Max-EV-Webex
STOI: 0.88 Max-EV-Zoom
STOI: 0.88
