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EURASIP Journal on Audio, Speech, and Music Processing
Fig. 1 | EURASIP Journal on Audio, Speech, and Music Processing

Fig. 1

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

Fig. 1

Depiction of the four regions for which the a priori constraint (APC) and the data-dependent constraint (DDC) may be active or inactive within the space spanned by the maximum tolerable speech distortion parameters, \(\widetilde {\epsilon }\) and \(\hat {\epsilon }\). The curve dividing the regions II and IV is the DDC bounding curve defined when the equality is satisfied from (56). The curve dividing the regions III and IV is the APC bounding curve defined when the equality is satisfied from (60)

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