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Melody Harmonization
Vlasák, Jaroslav ; Černocký, Jan (referee) ; Fapšo, Michal (advisor)
This bachaleor's thesis is focused on an automatic harmonization of melody. The implemented system is using a machine learning approach and learning the harmony principles from the database of MIDI files. The input of the system could be monophony songs in MIDI or ABC format. The output of the system are polyphony songs in MIDI format harmonized in the style of protestant chorale.
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The software sampler with sounds of of the dulcimer
Bičan, Jan ; Přikryl, Lubor (referee) ; Jirásek, Ondřej (advisor)
Major aim of this thesis is to create VST plugin module, which would be an output part of electronic cimbalom (dulcimer). Thesis explains basic terms at first, such as sampler, cimbalom, VST, MIDI, microphones and microphone techniques for recording. Then it describes particular segments of creating a software sampler with cimbalom samples. That includes recording each of individual cimbalom tones, sorting and editing these samples and implementing to VST technology. Thesis also describes instrument’s difficulties and differences from other related plugin modules and offers solution. There is a thesis’s assessment at the end of the document, where is mentioned its progress, testing with hardware components of electronic cimbalom and its imperfections with suggestions of future improvement.
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Electric Volin with MIDI Output
Spilka, Benedikt ; Vrba, Kamil (referee) ; Schimmel, Jiří (advisor)
The main aim of this diploma thesis is to design and to construct a electric violin with MIDI output. This thesis include design and conctruction of violin pickup, violin electronic and software for translation of sound into MIDI messages. design of the instrument´s body is presented at the end of the thesis. Violin electronic include circuits for filtration, amplification, processing and AD/DA conversion of audio siganl. Software for MIDI transfer recognizes notes and translates them to MIDI messages.
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Software for audio adjustment in multiple loudspeaker system
Černý, Viktor ; Schimmel, Jiří (referee) ; Sysel, Petr (advisor)
The first part of this Master’s Thesis deals with the theory of digital signal processing and describes the JUCE library. In this part some basic operations are explained with digital audio signals, such as polarity inversion, delay and linear interpolation of signal samples. The creation of new audio applications using the JUCE library in the C++ programming language is explained too. The next parts of this thesis describe the implemented audio application that allows the user to provide the described basic operations with digital audio signals in real time. For multiple channel audio signals the channels can be processed independently.
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Transmitter of SysEX MIDI messages
Špiřík, Jan ; Schimmel, Jiří (referee) ; Káňa, Ladislav (advisor)
This bachelor´s thesis deals with the analysis of MIDI protocol and especially MIDI SysEx messages, that are nowadays used more and more. The purpose of this thesis is the layout and realization of equipment, which will be these SysEx messages send over MIDI bus and simultaneously shows the description of these messages on one-row display. In the first part the solved thesis deals with MIDI, its history, definition of conception, linkage of hardware for communication and of cours analysis of language, that protocol communicates. The main Channel mode messages are analyzed, that MIDI system uses to basic operation for communication between various instruments in MIDI system. Especially System Common Mesagges are addicted and mainly SysEx messages. All standards of MIDI Specification, which can be send over SysEx messages, are shortly described. Universal and Manufacturers specific messages are showed. The list of SysEx Real Time and Non-Real Time messages is published, that are defined in MIDI Specification 1.1, General MIDI 2 standard and newest additions. The second part of this thesis deals with realization of Transmitter of SysEx messages. Hardware of the equipment is described, such as princip of connection, used parts and advantages of solution. The main part of the Transmitter is microcontroller Atmel ATmega16 from series AVR, which controls realized Transmitter. For communication with PC, where can load through formed application MIDI SysEx to Transmitter, serves nowadays the most used bus USB.
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Control of Music Equipment with Non-Electric Sensors Using MIDI Protocol
Vlach, Miloš ; Číž, Radim (referee) ; Schimmel, Jiří (advisor)
The goal of this Master’s thesis is to create a device that is able to control MIDI musical electronics, via use of non-electrical sensors as un-usual control elements and module Arduino Diecimila used as the processing element. This thesis is dealing with this given problem from a complex point of view, from design to actual realisation of the device. In the process of the thesis the solution for an optical proximity sensor and for resistance weight sensor is delivered. For both of them the adjustments circuitry is designed including interfaces, and further on it is constructed on PCB board. Then, control software, which processes the input sensor signal into a stream of MIDI data, which is sent to the computer as a slave device, is developed. The runtime of the program and the behaviour of MIDI elements can be controlled with a sub-protocol based on MIDI SysEx messages.
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Experimental hardware musical instrument demonstrating possible means of colour sonification
Rezek, Václav ; Jirásek, Ondřej (referee) ; Dlouhý, Dan (advisor)
The goal of this thesis was to design and build an experimental musical instrument SuperDuperRainbowThing. The experiment nature of which lies in sonification of the colour spectrum. The hardware is built using Arduino microcontroller and a single board computer Raspberry Pi. Software communicates with the hardware via a MIDI protocol and is written in Python programming language and patched in Pure Data graphical environment. The instrument creates a sound output based upon colour selected by the user in real time.
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Melody Harmonization
Trnkóci, Andrej ; Jaroš, Jiří (referee) ; Fapšo, Michal (advisor)
Computer scientists have long been considering music as a particularly interesting art Indeed, the history of computer music is almost as long as the history of computer science. Programs to compose music, or to make music" at various levels of the composition process have been designed since the 50s. This bachelor's thesis surveys the main approaches in the field of automatic harmonization, i.e. the problem of producing musical arrangements (scores) from given melodies, and focuses on the most widely used techniques to do so. The main goal of this paper is the issue of design and implementation of a software system for an automatic music harmonization which should learn the rules of harmony from the database of midi file. In the paper. In this thesis I describe existing systems for harmonization and furthermore I focus mainly on principles of machine learning - theory and application of Artificial Neural Networks and their use for harmonization.
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Design and realization of MIDI controller keyboard
Dvořáček, Štěpán ; Hrbáček, Radek (referee) ; Krejsa, Jiří (advisor)
This thesis deals with the realization of a specific MIDI controller being able to control a computer simulation of the Hammond organ. Theoretical part consists of a brief introduction to working with audio and MIDI on the computer. Next chapter describes Hammond organ and GSI Vb3 simulation resulting in a selection of the key control elements. Mechanical and electronic solution is described in the following chapters. A functional keyboard controller, which can be utilized in a recording studio or in a live performance was accomplished as a result of this thesis.
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