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Acoustic Localization based on FPGA (CROSBI ID 563097)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Aleksi, Ivan ; Hocenski, Željko ; Horvat, Petar Acoustic Localization based on FPGA // MIPRO / Nikola Bogunović ; Petar Ribarić (ur.). 2010. str. 90-92

Podaci o odgovornosti

Aleksi, Ivan ; Hocenski, Željko ; Horvat, Petar

engleski

Acoustic Localization based on FPGA

Novel acoustic localization device based on FPGA is presented in this paper. It is based on a FPGA multi-channel signal processing module that is connected to a sound detector array. Sound detector is made by microphones and cascade analog amplifiers. Detector also includes Schmitt trigger that generates a true/false logic signal in correspondence to availability of sound waves in surrounding area. Each microphone was assigned predetermined sound wave direction detecting area. Finite state machine is implemented in FPGA in order to detect a direction of a sound wave. One drawback to this method is that the analog circuits should be set equally among channels. Discussion is done on how to equalize multi-channel analog components that are used for sound localization device. Applicability of such devices may be in tracking some sound-active object (animals, wounded peoples) in an environment with reduced visibility (fog, forest, muddy water).

FPGA; microphone; multi-channel sound signal detection; sound localization

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Podaci o prilogu

90-92.

2010.

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objavljeno

978-953-233-053-3

Podaci o matičnoj publikaciji

MIPRO 2010 - 33. međunarodni skup, CTS - Računala u tehničkim sustavima

Nikola Bogunović ; Petar Ribarić

Rijeka: Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO

1847-3938

Podaci o skupu

MIPRO 2010

predavanje

24.05.2010-28.05.2010

Opatija, Hrvatska

Povezanost rada

Računarstvo