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Selected Milestones in the History of Sound Reinforcement
Středa, Jan ; HADRABA, Jakub (advisor) ; PINKAS, Martin (referee)
This master's essay shows a detailed view on the development of the use of sound engineering for live performance. It presents the evolution of technological advancements from the first audio recordings, through the emergence of the speakers, and to the first historical reinforcement of the spoken word. Following is the chronology of how live sound engineering has changed over time, and how the specific professions such as FOH sound engineer, monitor sound engineer, and system engineer have evolved. It also discusses how the production and rental companies formed. It explores in detail "The Wall Of Sound" system, which was very unique at the time. The conclusion of the historical overview, that this paper discusses, ends with the emergence of the digital era. Modern reinforcement methods used today are demonstrated by the realization of the sound system of the London stadium during the 2012 summer Olympic games.
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Low frequency amplification for live sound aplication
Hamouzová, Eva ; PINKAS, Martin (advisor) ; GUŠTAR, Milan (referee)
This thesis offers insight to the issue of subwoolfer amplification in live sound application. The introduction discusses the role of subwoofers in sound practices and the impact of low-frequency spectrum of the human body. It describes a creation of PA system as process of design, construction and final control measurement. In first part thesis deals with principles of connecting several subwoolfer sources to the systems - Arrays. It describes Radiation patterns and evaluates consistency of sound field on low frequency range. Further part of work follow up the application of delay of whole system or its parts, Beam steering. The aim of this work is to evaluate particular systems from practical point of view when used in interiors and exteriors on so called "Open air" venues.
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Technical nature of brass instruments
Bergmann, Michal ; SUŠICKÝ, Jiří (advisor) ; MALIMÁNEK, Karel (referee)
This thesis contains informations about basic physical and acoustic attributes of musical instruments.
It also explains the principle of natural and temperated tuning and their relation.
The thesis is focused on the brass instruments, their physical properties and limits. In the last chapter is then explained in detail physical functioning of the trombone on example of two-valve base trombone.
Everything is explained for person with musical and non-science knowledge.
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The Czech radio´s music broadcasting
Bělorová, Klára-Noemi ; ŠTILEC, Jiří (advisor) ; HAVLÍK, Jaromír (referee)
This Bachelor thesis constitutes an overview of different ways Czech radio broadcasting implements music. In the first chapter, it concerns itself with the development of musical broadcasting throughout the history of Czech radio. In the following chapters, it describes the structure of musical broadcasting on all channels (as statewide, so regional or merely those digitally shared) and offers an overview of all Czech radio´s shows about music. Sources used for this thesis ranges from literature about the history of Czech radio and selected phenomenon of the media market, Czech radio´s homepage, and listening to the broadcasts themselves. The thesis's summary consists of the evaluation of Czech radio´s activities depicted in the thesis in the context of the Czech music scene and the global media market.
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Importance of microphone Preamplifier and their creative Application for recording music
Hamouzová, Eva ; GUŠTAR, Milan (advisor) ; URBAN, Ondřej (referee)
The aim of this work is to discover effect of mic preamps on the music recording, and what is the main sound material where their influence is most evident. Causation of mic preamps will be described by measuring several selected models. The output of measurement is dependent of harmonic distortion on the input level. Frequency response of the second and third harmonic distortion. Further part of work is the listening survey, whose output is an overview whether and how are perceived the differences between types of mic preamps.
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The Issue of small recording Studios in the Czech Republic
Mužík, Miroslav ; Urban, Ondřej (advisor) ; PINKAS, Martin (referee)
Abstract
The thesis presents an issue of small recording studios focused on music recording in the Czech Republic. It is a modern and fast-growing area of sound studios that has never been seriously described before. The first part describes small recording studios, reasons of their founding, differences between small and large studios. The second part is focused on compiling and evaluating of collected data acquired by personal visitation of those studios. It describes often problems, offered services, equipment and expertise of their owners. The data were collected during personal visitation of all recording studios mentioned in this thesis. In the end, the thesis presents the virtual model of statistically average small private recording studio in the Czech Republic.
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Time Alignment of PA System
Středa, Jan ; PINKAS, Martin (advisor) ; FILA, Vladimír (referee)
This thesis deals with the time-unification of sound emitted by sound system (PA system) and the direct sound of musical instruments or the human voice reaching to the audience from the stage. They demonstrate practical ways of measuring delay and time alignment settings. The paper explains the basic division of PA systems and the distribution of types sounding. The following is a principle of sound localization and temporal threshold of human hearing. One chapter includes the results of the practical test investigating the subjective qualities time alignment signal and not aligned one and tolerance for the accuracy of the delay.
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Reverbation in authentic acoustics Spaces and its Substitution synthetic Reverberation
Stratílek, Jakub ; SYROVÝ, Václav (advisor) ; OTČENÁŠEK, Zdeněk (referee)
Subject of this written work is as natural acoustic reverberation phenomenon in enclosed spaces used for music production and its replacement. The first chapter defines the reverberation as a physical phenomenon and defines the basic concepts. The second chapter is about reverberation authentic space, its characteristics and specific characteristics. The next chapter describes the properties of artificial reverberation, its parameters and potential problems. This chapter also shows you how to adapt artificial reverberation. The fourth chapter is devoted to a comparison of authentic and artificial reverberation. Here one can find a correlation between their parameters, the differences in the same excitation signal, compared the algorithmic and convolution with the aftermath of an authentic finish. Chapter Five then goes on to state requirements for artificial reverberation in auralization and also some basic aesthetic categories. The last chapter of this work describes a practical experiment that verifies the validity of the hypothesis replace natural reverberation. Subject experiment is auralization audio samples of an anechoic room and recording studio. The aim of the experiment is to simulate a concert hall reverberation.
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