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Figure 4 | EURASIP Journal on Audio, Speech, and Music Processing

Figure 4

From: Lightweight multi-DOA tracking of mobile speech sources

Figure 4

Microphone array setup of the proposed system and its coordinate system. The setup uses an array with three microphones, in a 2D array positioned horizontally. There are two coordinate systems being used: the local coordinate system per microphone array D l;x y that uses the front of the pair as its reference, and the global coordinate system \(\mathit {D}^{[0]}_{l;xy}\) that uses the front of the whole array as reference.

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