| Presentation | 2024-03-14 Group Delay Ripple Reduction Method for Sound Source Localization Using Wide Width Microphone Pairs Shunsuke Ase, Tomoya Hori, Kenji Suyama, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | GRODMIC is a method proposed as a high spatial resolution source localization. Essential task of this method is an estimation accuracy of group delay characteristics corresponding to a propagation delay characteristics between microphones. However, an expantion of microphone width brings multiple ripples in the group delay characteristics due to increasing a filter order for a modeling. As a result, we have arrived at an assertion that just a decreasing of filter order leads to an improvement of localization performance. In this study, a ripple reduction method by adding delay to the received signal is proposed. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | microphone array / sound source localization / spatial aliasing / adaptive filter / group delay |
| Paper # | CAS2023-114,CS2023-107 |
| Date of Issue | 2024-03-07 (CAS, CS) |
| Conference Information | |
| Committee | CAS / CS |
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| Conference Date | 2024/3/14(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. |
| Chair | Yasutoshi Aibara(OmniVision) / Daisuke Umehara(Kyoto Inst. of Tech.) |
| Vice Chair | Norihiko Shinomiya(Soka Univ.) / Seiji Kozaki(Mitsubishi Electric) |
| Secretary | Norihiko Shinomiya(Soka Univ.) / Seiji Kozaki(Renesas Electronics) |
| Assistant | Nao Ito(NIT, Toyama college) / Motoi Yamaguchi(TECHNOPRO) / Shinji Shimoda(Sony Semiconductor Solutions) / Shunsuke Koshita(Hachinohe Inst. of Tech.) / Hikaru Kawasaki(NICT) / Takeshi Suehiro(Mitsubishi Electric) |
| Paper Information | |
| Registration To | Technical Committee on Circuits and Systems / Technical Committee on Communication Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Group Delay Ripple Reduction Method for Sound Source Localization Using Wide Width Microphone Pairs |
| Sub Title (in English) | |
| Keyword(1) | microphone array |
| Keyword(2) | sound source localization |
| Keyword(3) | spatial aliasing |
| Keyword(4) | adaptive filter |
| Keyword(5) | group delay |
| 1st Author's Name | Shunsuke Ase |
| 1st Author's Affiliation | Tokyo Denki University(Tokyo Denki Univ.) |
| 2nd Author's Name | Tomoya Hori |
| 2nd Author's Affiliation | Tokyo Denki University(Tokyo Denki Univ.) |
| 3rd Author's Name | Kenji Suyama |
| 3rd Author's Affiliation | Tokyo Denki University(Tokyo Denki Univ.) |
| Date | 2024-03-14 |
| Paper # | CAS2023-114,CS2023-107 |
| Volume (vol) | vol.123 |
| Number (no) | CAS-438,CS-439 |
| Page | pp.pp.17-22(CAS), pp.17-22(CS), |
| #Pages | 6 |
| Date of Issue | 2024-03-07 (CAS, CS) |