Implementation of digital sigma-delta modulators for high-resolution audio digital-to-analog converters based on field programmable gate array

• Autorzy: Kulka Z. , Woszczek P.
• Konferencja: 12th International Symposium on Sound and Vision Engineering and Mastering (ISSVEM'07), June 15-16, Gdansk, Poland
• Języki publikacji: EN

Abstrakty

EN

Sigma-delta modulators (SDMs) are now widely used in high-resolution audio analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The field programmable gate array (FPGA)-based hardware is particularly suitable for the implementation of basic functional blocks of audio sigma-delta DACs. This paper presents the design, simulation, and the FPGA implementation of the lowpass digital sigma-delta modulators (SDMs) in various configurations. The results can be used for digital SDM designs and its future applications in the audio sigma-delta DACs as well as for educational purposes.

Słowa kluczowe

EN

Audio Sigma-Delta DAC; Digital sigma-delta modulator; FPGA

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2008
• Tom: Vol. 33, No. 1
• Strony: 93--101
• Opis fizyczny: Bibliogr. 5 poz., rys., tab.

Twórcy

autor

Kulka Z.

autor

Woszczek P.

• Warsaw University of Technology, Institute of Radioelectronics, Nowowiejska 15/19, 00-665 Warszawa, Poland,

Bibliografia

• [1] KULKA Z., Analog-to-Digital and Digital-to-Analog converters for high-quality musical sound, Proc. of the XI Symposium AES – New Trends in Audio and Video, 1, 134, 269–288 (2006).
• [2] NORSWORTHY S. R., SCHREIER R., TEMES G. C., Delta-Sigma data converters, theory, design, and simulation, IEEE Press, New York 1997.
• [3] RAY C. C. et al., An FPGA-based re-configurable 24-bit 96 kHz Sigma-Delta Audio DAC, FPT, Tokyo 2003.
• [4] WOSZCZEK P., Implementation of Digital §¢ modulators in FPGA – dedicated for audio D/A converters, Master Thesis, Warsaw University of Technology, 2006.
• [5] Mathworks, Matlab 7, 2007.