Omnia ONE Installation And Operation Manual

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Contents

Omnia ONE Installation And Operation Manual Manual pdf 111 page image

921 The Nyquist Theorem states that the maximum frequency that may be applied to a sampled data system is onehalf the sampling frequency. When signals beyond half the sampling frequency are present, aliasing occurswhich causes the appearance of an inverted spectral image of the audio spectrum to be “folded around” thelower side of the sampling frequency (it is actually folded symmetrically around both upper and lowersidebands of the sample frequency, however in professional audio applications only the lower sideband isusually audible). When this occurs the original signals and the aliases are not separable by any means!<-ExitClick on this option to return to the Adjust Processing submenu.<-Exit Click on this option to return to the Processing menu.Input/OutputThis submenu provides level adjustments for the audio inputs and the absolute peak operating level of the AnalogXLR, Composite MPX (FM Style Only), AES-3 (AES/EBU) and Livewire outputs. Choices governing the selectionof the input audio source (Analog, AES Digital or Livewire) and signal mode (Stereo or Mono) are also found here.There is also a setting to disable Livewire if needed.These I/O settings are generally “set once and forget” parameters, usually adjusted during initial installation andthen left alone. These I/O settings are not saved with a processing preset but can be saved, loaded, deleted orrenamed as “I/O Configurations” using options available in this submenu.Mtr Select (Meter Select)Selects whether the Input levels, Analog Out (analog output) levels, AES Out (AES/EBUoutput) levels or LW Out (Livewire output) levels are displayed on the front panel L & R (Left &Right channel) LED bargraph meters.