Omnia Stereo Audio Processor Installation And Operation Manual
Also see for ONE: Installation and operation manualInstallation and operation manual
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24audio to sound “tight” or “squashed”. If limiting is taken to the extreme, the sound can be perceived as “pumping,”“breathing,” “dense,” or “mushy.” It can even induce exaggerated “swish/swirl” artifacts from the codec.Please remember that the core objective of the Omnia ONE Multicast product is maximum intelligibility at lowbitrates and processing that creates heavy density can completely mask that effort. A codec provisioning processor isin quite a different role than a conventional on-air processor. It is far more of a tool than a weapon.The following sections are provided to assist you in designing the personality of your sound. As we said earlier,there is no precise recipe for setting up audio processing because each application is different. However there are afew basics that we can share with you that can help get you to where you want to go. Setting up processing for theabsolute best end product usually requires a concerted effort, some extended periods of critical listening, and makinga few intelligently chosen and subtle changes over time. It will be time and effort well spent, and all you need toknow up front is that you must: Know your goals (have a plan). Take your time. Always adjust deliberately and methodically. Listen critically before making more adjustments.Increasing Density/LoudnessTry to resist the temptation to crank up the aggressive processing sections. They will definitely add loudness butusually at the cost of quality and intelligibility. Many times, just building a bit more RMS energy in the AGCsections will do the trick.The following are some suggestions on where to begin to make changes. For best results you should try them in theorder we have listed below.Increasing loudness can be accomplished in five ways:1. Alter the following parameters in the AGC: Increase the Drive to the AGC sections. Increase the Release settings to make the bands operate faster.2. Modify the Multiband Limiter sections: Increase the Drive to the Limiter section. Increase the Release settings to make the bands operate faster.3. Note that slowing the Attack time by using a lower setting can help make things sound more naturalwhen faster Release times are used. But be careful not to allow too many fast transients through to thefinal limiter section.4. Set the Hold threshold in each band to a lower value.5. A combination of all of the above (yes, it sounds crazy but it’s true)!Always resist the temptation to make too many changes at once because it then becomes difficult to determine why,or why not, an adjustment made the change you hear. It is better to make small adjustments to a small number ofcontrols at a time, and then listen to the result with a wide variety of program material. Once you have satisfactoryresults in one area (like overall density) you can then move the focus to the next area that you feel needs moretweaking.Don’t be afraid to experiment with different styles of processing! Our presets are good starting points and are notrestricted to any particular format because of their name!Some users prefer their processing to be perceptibly loud but very dynamic. While this may not result in the loudestsound, it gives the illusion of competitive loudness while still retaining a lot of detail and clarity. To achieve this |
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