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About UAD Powered Plug-Ins ProcessingTwo Distinct Methods with <strong>Apollo</strong><strong>Apollo</strong> features two distinct methods for using UAD Powered Plug-Ins: The “Consoleprocessing method” for low-latency monitoring and tracking with Realtime UAD Processingvia the Console application, and the “DAW processing method” for DSP-acceleratedUAD-2 processing via VST, RTAS, and Audio Units plug-ins in DAW applications.These two methods are not a switched mode, but instead simply depend on which application(Console or DAW) uses the UAD plug-ins. Both methods can be used simultaneouslyfor extremely powerful and flexible signal monitoring, routing, and processing.Console Processing MethodUAD Powered Plug-Ins run in realtime only when used within Console. Using RealtimeUAD Processing in Console is optimum for artists and engineers that need to monitor andcapture performances without DAW I/O buffering latency and its associated hindrances.The special Realtime UAD Processing functionality is achieved via <strong>Apollo</strong>’s unique ultralowlatency DSP+FPGA+Console design. Although every audio interface has undetectablelatency that is inherent to the A/D–D/A process, routing <strong>Apollo</strong>’s input signals throughUAD Powered Plug-Ins within Console does not add to this inherent latency.Up to four UAD plug-in instances can be inserted serially (“stacked” or “chained”) oneach of Console’s analog/digital inputs and/or auxiliary buses simultaneously, withoutadding to the inherent I/O latency.Note: Upsampled UAD plug-ins add latency when used within Console or a DAW.See “Upsampled UAD Plug-Ins” on page 95 for more information.Console inputs with Realtime UAD processing can be routed into the DAW via <strong>Apollo</strong>’sdevice drivers, and optionally recorded as either processed (wet) or unprocessed (dry)audio using the Insert Effects function in Console.Important: UAD plug-ins used within Console for Realtime UAD Processing mustrun on the DSP within <strong>Apollo</strong>. If other UAD-2 devices are active in the same system,DSP on those devices cannot be used for Realtime UAD Processing.<strong>Apollo</strong> <strong>Software</strong> <strong>Manual</strong>69Chapter 5: Working With <strong>Apollo</strong>