Design and implementation of direction measurement for a sound event using DSP processor and FPGA

Author

Janarthanan, N. ; Uppili, R. ; Rao, K. Subba

Author_Institution

Dept. of Electr. & Comput. Eng., Osmania Univ., Hyderabad, India

fYear

2004

fDate

20-22 Dec. 2004

Firstpage

62

Lastpage

65

Abstract

This paper describes the implementation of determining direction measurement of discrete/burst sound events occurring randomly far away from the system. The direction measurement algorithm basically deals with the finding of the direction of sound using the path difference phenomenon. This principle is used to measure the direction and distance of the sound source. In this project, we have developed a dedicated system using DSP processor and field programmable gate arrays (FPGA). Our system can measure the sound sources at a distance of 10 km to 20 km with an accuracy of 0.5%.

Keywords

acoustic signal processing; digital signal processing chips; direction-of-arrival estimation; field programmable gate arrays; time-of-arrival estimation; 10 to 20 km; DSP processor; FPGA; digital signal processing; direction measurement; discrete-burst sound event; field programmable array; memory interface; path difference phenomenon; sound source measurement; Acoustic sensors; Audio systems; Digital signal processing; Ear; Educational institutions; Field programmable gate arrays; Magnetic heads; Microphones; Temperature sensors; Wind speed;

fLanguage

English

Publisher

ieee

Conference_Titel

India Annual Conference, 2004. Proceedings of the IEEE INDICON 2004. First

Print_ISBN

0-7803-8909-3

Type

conf

DOI

10.1109/INDICO.2004.1497706

Filename

1497706