National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Giant FFT for audio signal resampling
Pavlačka, Jan ; Sysel, Petr (referee) ; Rajmic, Pavel (advisor)
This bachelor thesis is concerned with the conversion of the sampling frequency of audio signals using different conversion methods. The focus is on the general conversion between any two sample rates commonly used in audio applications. The theoretical part of the paper discusses the classical approach to conversion, FIR type digital filters and the relatively new Giant FFT method. The practical part describes the implementation of each method. Finally, tests, comparisons and evaluations are performed, which include the Reaper software.
Universal audio interface for autonomous use
Trojak, Ondřej ; Šťáva, Martin (referee) ; Levek, Vladimír (advisor)
This text analyses the current situation within the audio signal work field and the appropriate ways of connecting electronic networks for processing blocks. The thesis deals with circuit design, firmware programming and physical realization of a subsequently measured autonomous battery-powered interface which provides volume control of input signals and conversion of different types of connectors and signal lines, consuming low power and adding low noise. The device is also equipped with a phantom power supply for condenser microphones. The control consists of a set of buttons, a rotary encoder and a display unit.
Universal audio interface for autonomous use
Trojak, Ondřej ; Šťáva, Martin (referee) ; Levek, Vladimír (advisor)
This text analyses the current situation within the audio signal work field and the appropriate ways of connecting electronic networks for processing blocks. The thesis deals with circuit design, firmware programming and physical realization of a subsequently measured autonomous battery-powered interface which provides volume control of input signals and conversion of different types of connectors and signal lines, consuming low power and adding low noise. The device is also equipped with a phantom power supply for condenser microphones. The control consists of a set of buttons, a rotary encoder and a display unit.

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