dorsal/arxiv
View SchemaIndoor Sonic Boom Reproduction Using ANC
| Authors | Nicolas Epain, Emmanuel Friot, Guy Rabau |
|---|---|
| Categories | |
| ArXiv ID | physics/0506118 |
| URL | https://arxiv.org/abs/physics/0506118 |
Abstract
The European programs for development of supersonic air-flights involve new studies on the human perception of sonic boom. Because this noise includes high-level components at very low-frequency, the usual psycho-acoustic tests with headphones are not relevant; instead, the original sound-field can be reproduced with many loudspeakers in a small room, but the loudspeakers must be controlled for an accurate reproduction, both in time and space, in an area large enough to enclose a listener's head. In this paper, Active Noise Control is applied to sonic boom reproduction through Boundary Surface Control (as named by S.Ise) of the acoustic pressure around a listener. A small room was built at LMA with sixteen powerful low-frequency acoustic sources in the walls. Frequency and time-domain numerical simulations of sonic boom reproduction in this room are given, including a sensitivity study of the coupling between a listener's head and the incident sonic boom wave which combine into the effective sound-field to be reproduced.
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"abstract": "The European programs for development of supersonic air-flights involve new\nstudies on the human perception of sonic boom. Because this noise includes\nhigh-level components at very low-frequency, the usual psycho-acoustic tests\nwith headphones are not relevant; instead, the original sound-field can be\nreproduced with many loudspeakers in a small room, but the loudspeakers must be\ncontrolled for an accurate reproduction, both in time and space, in an area\nlarge enough to enclose a listener\u0027s head. In this paper, Active Noise Control\nis applied to sonic boom reproduction through Boundary Surface Control (as\nnamed by S.Ise) of the acoustic pressure around a listener. A small room was\nbuilt at LMA with sixteen powerful low-frequency acoustic sources in the walls.\nFrequency and time-domain numerical simulations of sonic boom reproduction in\nthis room are given, including a sensitivity study of the coupling between a\nlistener\u0027s head and the incident sonic boom wave which combine into the\neffective sound-field to be reproduced.",
"arxiv_id": "physics/0506118",
"authors": [
"Nicolas Epain",
"Emmanuel Friot",
"Guy Rabau"
],
"categories": [
"physics.class-ph"
],
"title": "Indoor Sonic Boom Reproduction Using ANC",
"url": "https://arxiv.org/abs/physics/0506118"
},
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