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Headphone amplifier with low output impedance
Zavřel, Petr ; Kubánek, David (referee) ; Hanák, Pavel (advisor)
Semestral thesis deals with design of headphone amplifier with low output impedance in audible spectre suitable for laboratory measurement. Amplifier can proces balanced and unbalanced input signal with implemented protection against damage to amplifier. Concept is designed for the lowest total harmonic distortion and signal to noise ratio of amplifier. Thesis also contains design of low-noise power supply. It works with already known circuits which was tested, improved and discused in the thesis. Thesis also deals with placement into suitable box.
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Synthesis of Sound from Images
Zavřel, Petr ; Přinosil, Jiří (referee) ; Říha, Kamil (advisor)
This diploma thesis deals with the creation of sound from images. Before looking into the actual conversion of data, it takes into consideration the correlation between sound and images. Colour models of pictures used for the extraction of image data suitable for conversion into sound are examined here. Subsequently the work introduces methods for creating sound and changing its basic parameters. In order to present a suitable representation of sound, the work also explains the basics of music theory and methods of sound synthesis. The first part of the thesis offers two fully-fledged solutions using independent applications created in the MATLAB environment, where the basic principle is the division of the image into lines and the use of granular synthesis. The second part of the thesis describes the solution of the third application created in C++ language, where the emphasis is on adhering to the principles of music composition.
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Synthesis of Sound from Images
Zavřel, Petr ; Přinosil, Jiří (referee) ; Říha, Kamil (advisor)
This diploma thesis deals with the creation of sound from images. Before looking into the actual conversion of data, it takes into consideration the correlation between sound and images. Colour models of pictures used for the extraction of image data suitable for conversion into sound are examined here. Subsequently the work introduces methods for creating sound and changing its basic parameters. In order to present a suitable representation of sound, the work also explains the basics of music theory and methods of sound synthesis. The first part of the thesis offers two fully-fledged solutions using independent applications created in the MATLAB environment, where the basic principle is the division of the image into lines and the use of granular synthesis. The second part of the thesis describes the solution of the third application created in C++ language, where the emphasis is on adhering to the principles of music composition.
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Headphone amplifier with low output impedance
Zavřel, Petr ; Kubánek, David (referee) ; Hanák, Pavel (advisor)
Semestral thesis deals with design of headphone amplifier with low output impedance in audible spectre suitable for laboratory measurement. Amplifier can proces balanced and unbalanced input signal with implemented protection against damage to amplifier. Concept is designed for the lowest total harmonic distortion and signal to noise ratio of amplifier. Thesis also contains design of low-noise power supply. It works with already known circuits which was tested, improved and discused in the thesis. Thesis also deals with placement into suitable box.
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Macropraxis as the still neglected element in the Czech social work
Zavřel, Petr ; Kodymová, Pavla (advisor) ; Suda, Radek (referee)
Diploma thesis analyses the macro practice in the Czech social work. It defines macro practical concept and its relationship to social policy and community social work by analysing the Czech and foreign specialized publications. It defines the key knowledge, skills and abilities which macro practicioner should manage. It emphasizes the macro scope towards the political representation. Macro practical methods are presented too. Diploma thesis defines two main principles - networking and evidence based practice. At first, macro practicioner is the creator of professional's networks or social services network. Secondly, in the evidence based practice macro practicioner is obligated to manage his decision making process on the base of the best and the most recent scientific researches. It all concludes the macro practice framework, which leads to the efective work with social excluded people. Macro practice is viewed as the approach, which helps clients, communities, regions and target groups in the implementation of their civil right, when it uses the enpowerment techniques. According to the international perspective, the status of the actual Czech macro practice is vieved as unconsolted. Therefore, author proposes the development of the social work education on the bachelor and master degrese...
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