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EURASIP Journal on Audio, Speech, and Music Processing
Fig. 3 | EURASIP Journal on Audio, Speech, and Music Processing

Fig. 3

From: An integrated MVDR beamformer for speech enhancement using a local microphone array and external microphones

Fig. 3

Beam patterns as a function of the confidence metric, F, at a frequency of 3 kHz for different tunings of the integrated MVDR-LMA-XM beamformer as applied to a microphone configuration consisting of an LMA only. (Left) A tuning strategy similar to that depicted in Fig. 2a and (right) a tuning strategy similar to that depicted in Fig. 2b. F=0 corresponds to the position εAP and F=1 corresponds to the position εDD from Figs. 2. As F increases, the path from εAP to εDD is followed resulting in the depicted beam patterns

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