The "Control Panel" version of DTS is usually an extension of your drivers. To get it back, you must reinstall the official drivers from your PC manufacturer’s support site.
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The is not a universal downloadable executable but a licensed software layer delivered either via the DTS Sound Unbound app (for DTS:X) or OEM audio driver suites (for DTS Studio Sound). To successfully acquire and use the panel: dts audio control panel download windows 10
Identify your PC model (e.g., HP Pavilion, ASUS TUF, Acer Nitro). The "Control Panel" version of DTS is usually