Most of the existing frequency-invariant beamformers (FIBs) with circular arrays are
implemented with omnidirectional microphones, where uniform circular arrays (UCAs) and …

Linear differential microphone arrays (LDMAs) are commonly integrated into thin and
portable devices to achieve high-fidelity speech acquisition. Traditional LDMAs typically …

It is desired that a fixed beamformer should maintain the frequency-invariant beampattern
and achieve the high white noise gain (WNG), ie, high robustness against the mismatch in …

Concentric circular microphone arrays have been used in a wide range of applications, such
as teleconferencing systems and smarthome devices for speech signal acquisition. Such …

Due to the recent trend toward miniaturization of acoustic transducers, differential
loudspeaker arrays (DLA) of small size are becoming a popular approach to achieve …

Circular directional differential microphone arrays (CDDMAs) are composed of directional
microphones, and the mismatch error of the microphones may lead to a significant …

The differential beamformer (DBF) has attracted considerable attention in underwater array
signal processing due to its distinct advantages, including frequency-independent …

Differential microphone arrays (DMAs) have attracted considerable attention for their high
spatial gains and frequency-invariant spatial responses. However, they often face significant …

The directional loudspeaker array has various applications due to its capability to direct
sound generation towards the target listener and reduce noise pollution. Differential …

Differential beamforming has attracted much research since it can utilize an array with a
small aperture size to form frequency-invariant beampatterns and achieve high directional …