János Márkus

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— In this paper the theoretical operation of incremen-tal (charge-balancing) delta-sigma (∆Σ) converters is reviewed, and the implementation of a 22-bit incremental A/D converter is described. Two different analyses of the first-order incremental converter are presented, and based on these results two extensions to higher-order modulators are proposed.(More)
1 Small improvements to the iteration procedure of the IEEE Standard 1241-2001 are suggested, and extension of the standard MATLAB program implementing the sine wave test is discussed. The program is compatible with the LabView program already announced, and in other working modes offers extensions, too.
Small improvements to the iteration procedure of the IEEE Standard 1241-2001 are suggested, and extension of the standard MATLAB program implementing the sine wave test is discussed. The program is compatible with the LabView program already announced, and in other working modes offers extensions, too.
The paper describes a digital time-domain additive synthesis technique and its application to the synthesis of the sound of organ pipes. The model is based on the Fourier-expansion of the periodic signals. This periodic signal generator is completed with filters and noise-generator implementing the instrument-specific parameters. The novelty of the proposed(More)
In this paper signal-based and physics-based sound synthesis methods are described, with a particular emphasis on our own results achieved in the recent years. The applications of these methods are given for the case of organ, piano, and violin synthesis. The two techniques are compared based on these case studies, showing that in some cases the(More)