![]() Any of these sound settings on their own produce a tangible increase in volume, but in combination with the sound equalizer, they will bring the quietest recording back to life! Create and manage iTunes Equalizer presets (custom equalizer settings) So, for low quality (or low volume) sound playbacks, you can (1) turn up the volume on your computer and make sure that iTunes' sound level is at its maximum, (2) boost the iTunes equalizer's Preamp setting to the maximum your speakers will allow without distorting sounds, and (3), boost the item's audio volume adjustment to its maximum. Likewise, you can use the same steps to make a song or TV Shows less "loud", independently of the current iTunes volume level, the computer's volume setting, and the equalizer preset for Preamp. Click OK to apply this new volume setting, and try playing back the item: you will notice a quite noticeable boost in sound volume if you dragged the slider to its maximum volume. By default, the slider is set to " None", which means that iTunes will not modify the sound settings of this particular item: to make the sound volume artificially louder on this item, drag it towards the " + 100%" volume mark. Then, click on the Options tab: the first setting is labeled " Volume Adjustment", and displays a sound volume slider. Right-click on the item whose sound volume you wish to boost, and choose Get Info, which will open the selected item(s) properties. This equalizer tip is also useful for lesser-quality recordings. But it is useful to know, especially if you are using a laptop with weak speakers, that you can artificially boost the sound on an item-by-item basis (in addition to, not instead of, customizing your sound settings and volume with the equalizer). Speakers for desktop computers are generally powerful enough to be heard even in the noisiest environments we just showed you an easy way to boost the volume of a song (or any other iTunes item that outputs sound, like audiobooks, iTunes U lectures, podcasts, etc.), using the iTunes equalizer. Boost the sound of music or TV Shows without the iTunes equalizer A boost of more than 6 decibels (dB) on the Preamp slider will lead to scratching noise and distortion on most systems, especially at a louder noise volume. The leftmost slider, labeled "Preamp", allows you to boost or reduce the overall volume of playback, across the entire spectrum, by augmenting or diminishing the volume by an amount of decibels equal for all frequencies, regardless of their individual setting (and without overriding them). A "neutral", and somewhat stuffed sound, is achieved by leveling all sliders to 0 dB (decibels): iTunes has the "Flat" preset for this scenario. The iTunes equalizer's sliders enable you to boost or reduce a certain frequency: the column labeled "32" corresponds to low sounds (bass) the sound represented gradually reaches higher frequencies with the column labeled "16K". Each preset corresponds to a combination of volume for each audible frequency, configured by positioning the sliders. Some, like "Bass Booster" or "Bass Reducer", are self-explanatory test the others to measure their effect on sound. ![]() iTunes comes with 22 sound presets, each targeting a particular sound "type". ![]() The drop-down menu displays the current preset, if any was chosen, or "Manual", if you have moved one or more of the sliders to adjust the sound. You should leave it checked, and keep the equalizer's flexibility available. The On checkbox is checked by default, and indicates that iTunes uses the sound equalizer's settings for sound output. The iTunes equalizer contains four sets of controls. Once you are done with the Equalizer, you can either close it, or ignore it and switch back to iTunes' main window. To open the iTunes Equalizer, go to View > Show Equalizer. The iTunes Equalizer has its own window, hidden by default unlike some of iTunes' other dialogs, the Equalizer lets you switch back and forth between it and iTunes (giving you room to experiment).
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