Speaker Direction-of-Arrival Estimation Based on Orthogonal Dipoles

Guo, Feng; Cao, Yuhang; Huang, Zhaoqiong; You, X. Z.; Guan, Haixing; Liang, Jiaen; Li, Baoqing

doi:10.1007/s00034-018-0976-4

Cited by 2 publications

(1 citation statement)

References 33 publications

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“…In addition, Guo et al [20] introduced a 3 × 3 uniform rectangular array of 2D acoustic vector sensors with a miniaturized aperture to extract the directional acoustic modes. In [21], the authors designed a smallaperture differential microphone array and proposed a speaker direction-of-arrival (DOA) estimation method with orthogonal dipoles. Sun et al [16] designed a multisource listening system capable of separating simultaneous overlapping sounds and localizing the sources in 3D space, using only a single microphone with a metamaterial enclosure.…”

Section: Introductionmentioning

confidence: 99%

SuperSoundcompass: a high-accuracy acoustic localization sensor using a small aperture microphone array

Wang

Dong

et al. 2021

Meas. Sci. Technol.

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Although miniaturized acoustic localization sensors have significant advantages in many fields, such as video conferencing, smart homes, intelligent scene monitoring, and robot audition, it is challenging to achieve high localization accuracy using them. In this study, a miniaturized acoustic localization sensor called SuperSoundcompass is developed. The system consists of seven identical microelectromechanical systems microphones distributed on a circular substrate with a radius of 4.5 cm. A high localization accuracy can be obtained with a limited number of acoustic sensors with compressive sensing applied. In order to verify the effectiveness of SuperSoundcompass, a series of simulations and experiments are performed under various conditions, such as low signal-to-noise ratio, coherent arrivals, and snapshot-starved data. The average root-mean-square error of SuperSoundcompass at 0 dB is 1.81∘. The results confirm its excellent performance in terms of accuracy.

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Section: Introductionmentioning

confidence: 99%