Fig. 3
From: Polish multichannel audio-visual child speech dataset with double-expert sigmatism diagnosis
Multimodal data acquisition device: (a) closed construction, prototype from35; (b) open construction, recent version; (c) inside view to the measuring part; red numbers present the microphone (audio channel) numbers, “LC” and “RC” indicate the left and right camera, respectively; (d) sample dual-camera view; the picture comes from horizontal concatenation of the left and right camera frame. The individuals in the pictures or their legal guardians consented to publishing their image in the manuscript.
