Jan G. Švec
Encyclopedia
Jan G. Švec, born 1966, is a Czech
voice
scientist
. He is the inventor
of videokymography
, a method for high-speed visualization
of vocal-fold
vibrations
, which is being used for advanced diagnosis
of voice disorders.
As of 2011, Jan G. Švec has written over 140 publications
(over 40 as first author) in various areas of voice research: visualization of vocal fold vibration through videokymography; voice registers; singing
voice; methodology
of voice measurement
; voice dosimetry; determination of biomechanical
properties of vocal folds; vocal fold and vocal tract
modelling
; clinical
measurement of voice; and scientometry
.
Jan G. Švec was born 22.11.1966 in Olomouc
, Czech Republic. He received his M.Sc. (1990: Palacký University, Olomouc) in fine mechanics
and optics
, and two Ph.D. degrees in biophysics (1996: Palacký University, Olomouc) and medical sciences (2000: University of Groningen
). From 1995-1999, he worked as Assistant Professor at the Institute for Postgraduate Medical Education, Prague, Czech Republic. In 2001-2004 he was a Visiting Research Professor at the National Center for Voice and Speech
, Denver Center for the Performing Arts, Denver, CO, USA and in 2004-2007 a Research Scientist at the Groningen Voice Research Lab, Department of Biomedical Engineering, University of Groningen, the Netherlands
. Since 2007, he has been a scientist and lecturer at the Department of Biophysics, Palacký University, Olomouc, Czech Republic and also a Research Scientist at the Voice Centre Prague.
In 2004-2010 he was the Chair of the Voice Committee of the International Association of Logopedics and Phoniatrics (IALP). He serves as the deputy editor-in-chief for Logopedics Phoniatrics Vocology
, Taylor & Francis, and is a member of the editorial board of the Journal of Voice, Elsevier Medical Journals. He is a Distinguished Alumnus of the Palacký University in Olomouc, the Czech Republic.
Czech Republic
The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....
voice
Human voice
The human voice consists of sound made by a human being using the vocal folds for talking, singing, laughing, crying, screaming, etc. Its frequency ranges from about 60 to 7000 Hz. The human voice is specifically that part of human sound production in which the vocal folds are the primary...
scientist
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...
. He is the inventor
Invention
An invention is a novel composition, device, or process. An invention may be derived from a pre-existing model or idea, or it could be independently conceived, in which case it may be a radical breakthrough. In addition, there is cultural invention, which is an innovative set of useful social...
of videokymography
Videokymography
Videokymography is a high-speed medical imaging method to visualize the human vocal fold vibration dynamics. It was invented by Jan G. Švec.A digital technique for high-speed visualization of vibration, called videokymography, was developed and applied to the vocal folds...
, a method for high-speed visualization
Scientific visualization
Scientific visualization is an interdisciplinary branch of science according to Friendly "primarily concerned with the visualization of three-dimensional phenomena , where the emphasis is on realistic renderings of volumes, surfaces, illumination sources, and so forth, perhaps...
of vocal-fold
Vocal folds
The vocal folds, also known commonly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx...
vibrations
Phonation
Phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology...
, which is being used for advanced diagnosis
Medical diagnosis
Medical diagnosis refers both to the process of attempting to determine or identify a possible disease or disorder , and to the opinion reached by this process...
of voice disorders.
As of 2011, Jan G. Švec has written over 140 publications
Scientific literature
Scientific literature comprises scientific publications that report original empirical and theoretical work in the natural and social sciences, and within a scientific field is often abbreviated as the literature. Academic publishing is the process of placing the results of one's research into the...
(over 40 as first author) in various areas of voice research: visualization of vocal fold vibration through videokymography; voice registers; singing
Singing
Singing is the act of producing musical sounds with the voice, and augments regular speech by the use of both tonality and rhythm. One who sings is called a singer or vocalist. Singers perform music known as songs that can be sung either with or without accompaniment by musical instruments...
voice; methodology
Methodology
Methodology is generally a guideline for solving a problem, with specificcomponents such as phases, tasks, methods, techniques and tools . It can be defined also as follows:...
of voice measurement
Measurement
Measurement is the process or the result of determining the ratio of a physical quantity, such as a length, time, temperature etc., to a unit of measurement, such as the metre, second or degree Celsius...
; voice dosimetry; determination of biomechanical
Biomechanics
Biomechanics is the application of mechanical principles to biological systems, such as humans, animals, plants, organs, and cells. Perhaps one of the best definitions was provided by Herbert Hatze in 1974: "Biomechanics is the study of the structure and function of biological systems by means of...
properties of vocal folds; vocal fold and vocal tract
Vocal tract
The vocal tract is the cavity in human beings and in animals where sound that is produced at the sound source is filtered....
modelling
Mathematical model
A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling. Mathematical models are used not only in the natural sciences and engineering disciplines A mathematical model is a...
; clinical
Clinical research
Clinical research is a branch of medical science that determines the safety and effectiveness of medications, devices, diagnostic products and treatment regimens intended for human use...
measurement of voice; and scientometry
Scientometrics
Scientometrics is the science of measuring and analysing science. In practice, scientometrics is often done using bibliometrics which is a measurement of the impact of publications. Modern scientometrics is mostly based on the work of Derek J. de Solla Price and Eugene Garfield...
.
Jan G. Švec was born 22.11.1966 in Olomouc
Olomouc
Olomouc is a city in Moravia, in the east of the Czech Republic. The city is located on the Morava river and is the ecclesiastical metropolis and historical capital city of Moravia. Nowadays, it is an administrative centre of the Olomouc Region and sixth largest city in the Czech Republic...
, Czech Republic. He received his M.Sc. (1990: Palacký University, Olomouc) in fine mechanics
Precision mechanics
Precision mechanics is an industry that deals with the construction of smaller precision machines, often including measuring and control mechanisms of different kinds....
and optics
Optics
Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behavior of visible, ultraviolet, and infrared light...
, and two Ph.D. degrees in biophysics (1996: Palacký University, Olomouc) and medical sciences (2000: University of Groningen
University of Groningen
The University of Groningen , located in the city of Groningen, was founded in 1614. It is one of the oldest universities in the Netherlands as well as one of its largest. Since its inception more than 100,000 students have graduated...
). From 1995-1999, he worked as Assistant Professor at the Institute for Postgraduate Medical Education, Prague, Czech Republic. In 2001-2004 he was a Visiting Research Professor at the National Center for Voice and Speech
National Center for Voice and Speech
The National Center for Voice and Speech , is a multi-site research and teaching organization dedicated to studying the characteristics, limitations and enhancement of human voice and speech. The NCVS is located in Salt Lake City, Utah with the Lead Institution located at the University of Utah...
, Denver Center for the Performing Arts, Denver, CO, USA and in 2004-2007 a Research Scientist at the Groningen Voice Research Lab, Department of Biomedical Engineering, University of Groningen, the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
. Since 2007, he has been a scientist and lecturer at the Department of Biophysics, Palacký University, Olomouc, Czech Republic and also a Research Scientist at the Voice Centre Prague.
In 2004-2010 he was the Chair of the Voice Committee of the International Association of Logopedics and Phoniatrics (IALP). He serves as the deputy editor-in-chief for Logopedics Phoniatrics Vocology
LPV
LPV is an acronym that may refer to:*Limiting pressure velocity, a term relating to tribology *Localizer Performance with Vertical guidance, aviation*Logopedics Phoniatrics Vocology, a British Voice Association journal...
, Taylor & Francis, and is a member of the editorial board of the Journal of Voice, Elsevier Medical Journals. He is a Distinguished Alumnus of the Palacký University in Olomouc, the Czech Republic.