In SONAR 5, what is the 64-bit double precision checkbox in Options

In SONAR 5, what is the 64-bit double precision checkbox in Options – Audio – General Tab?

Enabling this checkbox chooses 64-bit double-precision mixing in SONAR 5 throughout the entire signal path, including dithering and plug-ins.

64-bit double precision mixing provides greater resolution, meaning more accurate audio reproduction and more headroom. You’ll especially notice the benefits of the 64-bit double precision capability when working in large projects containing many audio tracks and plug-ins. You’re chances of clipping will be significantly reduced.

The 64-bit signal path includes plug-ins and busses too. SONAR 5 sends and receives 64-bit data to and from all plug-ins that accept 64-bit data. If a plug-in requires 32-bit data, SONAR 5 automatically handles the conversion.

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