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Verifying soundness of business processes: A decision process Petri nets approach
(Expert Systems with Applications, Volume 41, 2014-09-01)
This paper presents a trajectory-tracking approach for verifying soundness of workflow/Petri nets represented by a decision-process Petri net. Well-formed business processes correspond to sound workflow nets. The advantage ...
Análise, projeto e implementação de compressor de áudio valvulado para masterização
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2021-05-04)
This work describes the project process of a vacuum tube audio compressor, as well as the implementation of its prototype. The main premise in the compressor design is to adopt vacuum tubes for the audio signal compression. ...
A Low Cost Data Acquisition System for Measuring Shock
(Ieee-inst Electrical Electronics Engineers Inc, 2016-05-01)
One of the most common environment tests is the shock testing, widely used to test the mechanical integrity and to ensure the quality and reliability of products. During shock tests, data acquisition systems are normally ...
Estudo comparativo entre os algoritmos de processamento de áudio phase vocoder e spectral modeling synthesis
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Informática, 2011-09-14)
This work presents a comparative analysis based in qualitative and quantitative criteria between the frequency domain audio processing algorithms Phase Vocoder and Spectral Modeling Synthesis (SMS). The algorithms were ...
Application of a computer sound card for measurement of mechanical vibrations
(Sociedade Brasileira de Física, 2015)
This paper presents a data acquisition and analysis system based on a computer sound card for measuring and processing random vibration signals. This system turns the computer into a two-channel measurement instrument which ...
Denoising swallowing sound to improve the evaluator's qualitative analysis
(Pergamon-Elsevier B.V. Ltd, 2008-03-01)
Swallowing dynamics involves the coordination and interaction of several muscles and nerves which allow correct food transport from mouth to stomach without laryngotracheal penetration or aspiration. Clinical swallowing ...
Denoising swallowing sound to improve the evaluator's qualitative analysis
(Pergamon-Elsevier B.V. Ltd, 2008-03-01)
Swallowing dynamics involves the coordination and interaction of several muscles and nerves which allow correct food transport from mouth to stomach without laryngotracheal penetration or aspiration. Clinical swallowing ...