Open AccessA Digital Loudspeaker: Experimental Construction
Author(s) -
P. Valoušek
Publication year - 2006
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/858
Subject(s) - loudspeaker , transducer , acoustics , signal (programming language) , signal processing , digital signal , computer science , digital signal processing , sampling (signal processing) , engineering , electronic engineering , computer hardware , telecommunications , physics , programming language , detector
To verify the principal functionality of a digital loudspeaker the experimental construction of a digital loudspeaker was designed. This system consists of signal processing unit and transducer array. Both parts offer 8-bit precision and wide a spectrum of sampling frequencies. The signal processing unit is based on a programmable logic device which provides a flexible system for preparing a driving signal. The transducer array is formed by conventional dynamic transducers arranged in a circle. The initial measurements and listening tests provide acceptable results that are valuable for further digital loudspeaker developments.