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PC Sound Card as an Audio Measuring Device


Đurek, Ivan; Somek, Branko; Fajt, Siniša
PC Sound Card as an Audio Measuring Device // Proc. of MIPRO 2005 28th International Convention / Biljanović, Petar ; Skala, Karolj (ur.).
Opatija, 2005. str. 165-167 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
PC Sound Card as an Audio Measuring Device

Autori
Đurek, Ivan ; Somek, Branko ; Fajt, Siniša

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proc. of MIPRO 2005 28th International Convention / Biljanović, Petar ; Skala, Karolj - Opatija, 2005, 165-167

Skup
MIPRO 2005 28th International Convention

Mjesto i datum
Opatija, Hrvatska, 30.05.-03.06.2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Sound card; measurimg device; distorion

Sažetak
Possibilities and quality of modern PC sound cards are increasing. New sound cards offer 24-bit quantization and higher sampling frequencies, which in some cases are going up to 196 kHz. In theory this makes them comparable with professional audio measuring devices. Praxis is somewhat different because of some characteristic problems that occur in PC environment. Noise is the largest problem, which affects dynamic range of a sound card, especially those in computer cases. Sound cards, which connect through USB port, are somewhat less affected with this problem. Other problems include generation of signals with small distortion, small voltage range and similar. This article makes a comparison of the professional audio measuring device and three sound cards. All were used to make standard measurements on audio devices and their results were compared and analyzed.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika



POVEZANOST RADA


Projekt / tema
0036011

Ustanove
Fakultet elektrotehnike i računarstva, Zagreb