| Paper Abstract and Keywords |
| Presentation |
2015-06-18 14:00
Tetrahedral microphone system for a virtual cardioid microphone
Kaoru Ashihara (AIST) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Since every waveform can be subdivided into one or more sinusoids, spatial audio information at a given observation point can be approximated by giving the amplitude, phase and wave normal direction of each sine wave. The wave normal direction of each sine wave can be obtained by using a 4-channel tetrahedral microphone system. By using the obtained spatial audio information, sound from particular direction can be enhanced or suppressed programmatically. By converting 3-D vectors to 8-bit digits, spatial audio information can be transmitted at a low bit rate. It allows the user to pick up or reject sound from any requested direction during the reproduction. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Virtual cardioid microphone / Directionality / Wave normal / Spatial sound / Miniature head simulator / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 115, pp. 31-36, June 2015. |
| Paper # |
|
| Date of Issue |
2015-06-11 (PRMU, SP, WIT) |
| ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
| Download PDF |
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| Conference Information |
| Committee |
WIT SP ASJ-H PRMU |
| Conference Date |
2015-06-18 - 2015-06-19 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
ASJ-H |
| Conference Code |
2015-06-WIT-SP-H-PRMU |
| Language |
English (Japanese title is available) |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Tetrahedral microphone system for a virtual cardioid microphone |
| Sub Title (in English) |
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| Keyword(1) |
Virtual cardioid microphone |
| Keyword(2) |
Directionality |
| Keyword(3) |
Wave normal |
| Keyword(4) |
Spatial sound |
| Keyword(5) |
Miniature head simulator |
| Keyword(6) |
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| Keyword(7) |
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| 1st Author's Name |
Kaoru Ashihara |
| 1st Author's Affiliation |
National Institute of Advanced Industrial Science and Technology (AIST) |
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| Speaker |
Author-1 |
| Date Time |
2015-06-18 14:00:00 |
| Presentation Time |
25 minutes |
| Registration for |
ASJ-H |
| Paper # |
PRMU2015-37, SP2015-6, WIT2015-6 |
| Volume (vol) |
vol.115 |
| Number (no) |
no.98(PRMU), no.99(SP), no.100(WIT) |
| Page |
pp.31-36 |
| #Pages |
6 |
| Date of Issue |
2015-06-11 (PRMU, SP, WIT) |