Effective and low-noise masking technique by use with active noise control
| Project/Area Number |
25289051
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Partial Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Dynamics/Control
|
|---|
| Research Institution | Kyushu University |
|---|
Principal Investigator |
KIJIMOTO Shinya 九州大学, 工学(系)研究科(研究院), 教授 (30204861)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
ISHIKAWA Satoshi 九州大学, 大学院工学研究院, 准教授 (60612124)
KOBA Yosuke 九州大学, 工学部, 技術専門職員 (20380602)
|
|---|
| Project Period (FY) |
2013-04-01 – 2016-03-31
|
| Project Status |
Completed (Fiscal Year 2015)
|
| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2013: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
|
|---|
| Keywords | 音声マスキング / 能動音響制御 |
|---|
| Outline of Final Research Achievements |
There are several situations that the conversation sound which contains personal information or a confidential information can be heard unintentionally by a third-party . In this research, novel approaches about masking using active noise control technique are proposed. These approaches make one's recognition difficult with changing the frequency characteristics of the target sound adaptively and/or selectively. It was confirmed that Japanese vowels can be masked effectively with the proposed band-noise. In addition, the effectiveness of the proposed method using active noise control was also confirmed. We compared the conventional masking sound performance and made the condition of an ideal masking sound clear.
|
Report
(4 results)
Research Products
(19 results)
