| IEICE Technical Committee Submission System Conference Paper's Information |
Online Proceedings [Sign in] Tech. Rep. Archives |
| Go Top Page | Go Previous | [Japanese] / [English] |
| Paper Abstract and Keywords | ||
| Presentation | 2008-03-07 14:05 Examination of distance dependency of HRTF near head Yoshihide Hayakawa, Takanori Nishino, Kazuya Takeda (Nagoya Univ.)  EA2007-119 |
|
| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Spatial sound reproduction technology is applied to various fields such as a home theater, a portable audio, and a cellular phone. To achieve spatial sound reproduction, a head-related transfer function (HRTF) is commonly used. HRTF depends on the sound source direction and the size and shape of the head and the pinna. The sound localization can be performed by using the interaural phase difference and the spectral characteristics and so on. Many researchers have been dealt with the HRTFs measured at away from listener, however, HRTF measurements near a head were conducted and analyzed insufficiently. To measure HRTFs near the head within 1 m, a small sound equipment is needed. In this study, a small equipment for HRTF measurement is improved by using micro dynamic-type loudspeakers and evaluated its characteristics such as directionality and sound attenuation. In the experiments, two kinds of origin were used. One of them was the center of both ears; the other was the entrance of the right ear canal. The HRTF measurements were conducted with developed small equipment in two origins. The incidences of pinna were investigated by comparison of the frequency characteristics. As a result, the sound waves at low frequency were emphasized as the sound source was close to the head. Moreover, in the case of measuring HRTFs when the center of both ears was origin, the sound source distance dependency was strong. It was shown that the sound source distance dependency could be reduced by using coordinates that the origin was the entrance of ear canal, and it contributes to interpolate HRTFs near the head. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Dodecahedral loudspeaker / Head-Related Transfer Function / spectrum / distance dependency / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 532, EA2007-119, pp. 43-48, March 2008. | |
| Paper # | EA2007-119 | |
| Date of Issue | 2008-02-29 (EA) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2007-119 |
|
| Conference Information | |
| Committee | EA |
| Conference Date | 2008-03-07 - 2008-03-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NTT Musashino R&D Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Audio signal and speech processing, enhancement/General |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2008-03-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Examination of distance dependency of HRTF near head |
| Sub Title (in English) | |
| Keyword(1) | Dodecahedral loudspeaker |
| Keyword(2) | Head-Related Transfer Function |
| Keyword(3) | spectrum |
| Keyword(4) | distance dependency |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yoshihide Hayakawa |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Takanori Nishino |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Kazuya Takeda |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 4th Author's Name | |
| 4th Author's Affiliation | () |
| 5th Author's Name | |
| 5th Author's Affiliation | () |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| 7th Author's Name | |
| 7th Author's Affiliation | () |
| 8th Author's Name | |
| 8th Author's Affiliation | () |
| 9th Author's Name | |
| 9th Author's Affiliation | () |
| 10th Author's Name | |
| 10th Author's Affiliation | () |
| 11th Author's Name | |
| 11th Author's Affiliation | () |
| 12th Author's Name | |
| 12th Author's Affiliation | () |
| 13th Author's Name | |
| 13th Author's Affiliation | () |
| 14th Author's Name | |
| 14th Author's Affiliation | () |
| 15th Author's Name | |
| 15th Author's Affiliation | () |
| 16th Author's Name | |
| 16th Author's Affiliation | () |
| 17th Author's Name | |
| 17th Author's Affiliation | () |
| 18th Author's Name | |
| 18th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2008-03-07 14:05:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2007-119 |
| Volume (vol) | vol.107 |
| Number (no) | no.532 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2008-02-29 (EA) |
[Return to Top Page]