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... that run the width of the console. This explains some of the cost of high-end consoles. The mixer itself is a variable-gain summing amplifier based on an LM837. It sums up all the five signals from the filter circuits into a single output.
Five band graphic equalizer
Equalization, or EQ is the process of using passive or active electronic elements or digital algorithms for the purpose of altering (originally flattening) the frequency response characteristics of a system.
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Anteprima della tesi: Five band graphic equalizer
CHAPTER ONE INTRODUCTION 1.1 Background Equalization, or EQ is the process of using passive or active electronic elements or digital algorithms for the purpose of altering (originally flattening) the frequency response characteristics of a system. There are many kinds of EQ. Each has a different pattern of attenuation or boost. One common type of equalizer is the graphic equalizer which consists of a bank of sliders for boosting and cutting different bands (or frequencies ranges) of sound. The number and width of filters depends on application. Historically, the first use of slide controls in an equalizer was in the Langevin Model EQ-251A which featured two passive equalization sections, a bass shelving filter and a pass band filter. Each filter had switch able frequencies and used a fifteen position slide switch to adjust cut or boost. The first true graphic equalizer was the type 7080 developed by Art Davis's Cinema Engineering. It featured 6 bands with a boost or cut range of 8 dB. It used a slide switch to adjust each band in 1 dB steps. Davis's second graphic equalizer was the Altec Lansing Model 9062A EQ. In 1967 Davis developed the first 1/3 octave variable notch filter set, the ...... that run the width of the console. This explains some of the cost of high-end consoles. The mixer itself is a variable-gain summing amplifier based on an LM837. It sums up all the five signals from the filter circuits into a single output.
Tesi presente nelle categorie
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Ingegneria
/Electrotecnica
/Elettronica
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