Omnia Stereo Audio Processor Installation And Operation Manual
Also see for ONE: Installation and operation manualInstallation and operation manual
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63OV AGC Drv (Overall Multiband AGC Drive)Adjusts the overall amount of drive to all four bands of the 4-Band AGC section simultaneouslyover a + / - 6 dB range. Higher settings will increase the overall amount of compression and the“dynamic EQ” effect of the 4-Band AGC. This can make the program material sound moreconsistent. Be careful though because too much compression can cause the program material tosound less natural and cause low-level noise in the program material to be brought up.OV Lim Drv (Overall Limiter Drive)Adjusts the overall amount of drive to all four bands of the multiband Limiter sectionsimultaneously over a + / - 6 dB range. Higher settings will increase density. This can increaseloudness but be careful because too much gain reduction in the limiters can lead to a “wall ofsound” effect that can cause the program material to sound “smashed”. This can also causeadditional artifacts to be generated in the following codec. Lower settings will reduce the density,providing a more “open”, natural and dynamic sound.<-Exit Click on this option to return to the Adjust Processing submenu.Low Band AGCAttackThe attack control adjusts how fast the AGC responds to sudden increases in audio level, andhigher numbers equate to faster response times. Faster attack times reduce the transient nature ofthe input audio, while slower attack times improve it. Extremely slow attack times must be usedwith caution so as not to allow later stages to be overloaded during the time when the AGC isadjusting the level downwards. Likewise, extremely fast attack times (especially when combinedwith very slow release times) can “punch holes” or overreact to the band of audio being processed.ReleaseThe release control adjusts how fast the AGC recovers from periods of more gain reductionwhen the input audio levels fall. Faster release times (higher numbers) result in a more densesound. Even though the Omnia uses program controlled release algorithms, setting the control forextremely fast release times can result in ‘pumping’.Gt Thresh (Gate Threshold)When the input audio falls below a certain level, the gain control action of the AGC stage is“frozen” by the gate. The level at which this freeze, or hold takes place is controlled by the settingof the Gate Threshold control. Higher numbers cause the gate to activate at higher audio levels. Inmost applications this control should be adjusted to cause gating action to occur when the inputaudio falls about 20dB below nominal. The action of gate also prevents noise rush-up duringperiods of no audio or during pauses in speech.RTZ Speed (Return To Zero Speed)RTZ stands for Return To Zero. What RTZ does is return the gain of the AGC band to the selectedamount of gain reduction (See RTZ Level below) in the absence of audio. RTZ speed controlshow fast this adjustment takes place – i.e., how long it takes the AGC to move to the target RTZlevel. |
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