Fig. 11
From: Room-localized speech activity detection in multi-microphone smart homes

Performance of the room discriminant features of Section 5.1 in classifying speech segments exhibiting low or high overlap with audio events in other rooms for the DIRHA-sim test set (en, energy-based; coh, coherence-based; srp, SRP-based; ts, spectrogram texture smoothness; ev, envelope variance; all, intra-room fusion (9)) In all cases, inter-room fusion (10) and room-specific SVMs are used