Acoustic based safety emergency vehicle detection for intelligent transport systems

Fazenda, BM; Atmoko, H; Gu, F; Guan, L; Ball, A

Abstract

A system has been investigated for the detection of incoming direction of an emergency vehicle. Acoustic detection methods based on a cross microphone array have been implemented. It is shown that source detection based on time delay estimation outperforms sound intensity techniques, although both techniques perform well for the application. The relaying of information to the driver as a warning signal has been investigated through the use of ambisonic technology and a 4 speaker array which is ubiquitous in most modern vehicles. Simulations show that accurate warning information may be relayed to the driver and afford correct action.

• Presentation Conference Type: Other
• Conference Name: ICROS-SICE International Joint Conference 2009
• End Date: Aug 21, 2009
• Publication Date: Jan 1, 2009
• Deposit Date: Jun 22, 2010
• Publicly Available Date: Jun 22, 2010
• Additional Information: Event Type : Conference