A Planer Moving Microphone Array for Sound Source Localization Article Swipe
Chuyang Wang
,
Henry K. Chu
,
Yat Sze Choy
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/app15126777
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/app15126777
Sound source localization (SSL) equips service robots with the ability to perceive sound similarly to humans, which is particularly valuable in complex, dark indoor environments where vision-based systems may not work. From a data collection perspective, increasing the number of microphones generally improves SSL performance. However, a large microphone array such as a 16-microphone array configuration may occupy significant space on a robot. To address this, we propose a novel framework that uses a structure of four planar moving microphones to emulate the performance of a 16-microphone array, thereby saving space. Because of its unique design, this structure can dynamically form various spatial patterns, enabling 3D SSL, including estimation of angle, distance, and height. For experimental comparison, we also constructed a circular 6-microphone array and a planar 4 × 4 microphone array, both capable of rotation to ensure fairness. Three SSL algorithms were applied across all configurations. Experiments were conducted in a standard classroom environment, and the results show that the proposed framework achieves approximately 80–90% accuracy in angular estimation and around 85% accuracy in distance and height estimation, comparable to the performance of the 4 × 4 planar microphone array.
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Metadata
- Type
- article
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- en
- Landing Page
- https://doi.org/10.3390/app15126777
- OA Status
- gold
- References
- 50
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4411338316
All OpenAlex metadata
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https://openalex.org/W4411338316Canonical identifier for this work in OpenAlex
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https://doi.org/10.3390/app15126777Digital Object Identifier
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A Planer Moving Microphone Array for Sound Source LocalizationWork title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-06-16Full publication date if available
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Chuyang Wang, Henry K. Chu, Yat Sze ChoyList of authors in order
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https://doi.org/10.3390/app15126777Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.3390/app15126777Direct OA link when available
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Acoustics, Sound (geography), Microphone array, Computer science, Microphone, Physics, Sound pressureTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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50Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.complex, | 21 |
| abstract_inverted_index.distance | 175 |
| abstract_inverted_index.enabling | 104 |
| abstract_inverted_index.improves | 42 |
| abstract_inverted_index.perceive | 11 |
| abstract_inverted_index.proposed | 161 |
| abstract_inverted_index.rotation | 135 |
| abstract_inverted_index.standard | 152 |
| abstract_inverted_index.valuable | 19 |
| abstract_inverted_index.classroom | 153 |
| abstract_inverted_index.conducted | 149 |
| abstract_inverted_index.distance, | 111 |
| abstract_inverted_index.fairness. | 138 |
| abstract_inverted_index.framework | 70, 162 |
| abstract_inverted_index.generally | 41 |
| abstract_inverted_index.including | 107 |
| abstract_inverted_index.patterns, | 103 |
| abstract_inverted_index.similarly | 13 |
| abstract_inverted_index.structure | 74, 97 |
| abstract_inverted_index.algorithms | 141 |
| abstract_inverted_index.collection | 34 |
| abstract_inverted_index.comparable | 179 |
| abstract_inverted_index.estimation | 108, 169 |
| abstract_inverted_index.increasing | 36 |
| abstract_inverted_index.microphone | 48, 130, 189 |
| abstract_inverted_index.Experiments | 147 |
| abstract_inverted_index.comparison, | 116 |
| abstract_inverted_index.constructed | 119 |
| abstract_inverted_index.dynamically | 99 |
| abstract_inverted_index.estimation, | 178 |
| abstract_inverted_index.microphones | 40, 79 |
| abstract_inverted_index.performance | 83, 182 |
| abstract_inverted_index.significant | 58 |
| abstract_inverted_index.6-microphone | 122 |
| abstract_inverted_index.environment, | 154 |
| abstract_inverted_index.environments | 24 |
| abstract_inverted_index.experimental | 115 |
| abstract_inverted_index.localization | 2 |
| abstract_inverted_index.particularly | 18 |
| abstract_inverted_index.performance. | 44 |
| abstract_inverted_index.perspective, | 35 |
| abstract_inverted_index.vision-based | 26 |
| abstract_inverted_index.16-microphone | 53, 86 |
| abstract_inverted_index.approximately | 164 |
| abstract_inverted_index.configuration | 55 |
| abstract_inverted_index.configurations. | 146 |
| cited_by_percentile_year | |
| countries_distinct_count | 1 |
| institutions_distinct_count | 3 |
| citation_normalized_percentile.value | 0.27158043 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |