
4.4 Guidelines for  | The location of the settings for the PDC option within some  | |||
When Duende PCIe   | ||||
processed by Duende PCIe is sent to the Duende PCIe DSP  | common host applications is as follows:  | |||
engine by the host application. The audio is then processed by  | Cubase SX/4 + Nuendo 2/3/4: | |||
the DSPs and sent back to the host application.  | 
  | |||
This transfer of au dio data  | produces latency (delay) in the  | Always on unless the ‘Constrain Delay Compensation’ feature  | ||
audio signal being processed. Latency time is dependant on  | is used to disable delay compensation on individual   | |||
the samp le rate, type of   | oaded and the audi o  | ‘Devices   | ||
interface buffer setting.  | 
  | 
  | 
  | Logic Pro: | 
If this latency is not com pensated, the processed audio will  | ‘Preferences>Audio>General’  | |||
arrive la te in relation to the unproces  | sed audio. The more  | Digital Performer 4/5: | ||
processing that takes place on a particular signal, the later it  | ‘Setup menu>Configure Audio System>Configure Stu dio  | |||
will arrive back in the host.  | 
  | 
  | 
  | Settings...’  | 
Most host ap plications automat ically com pensate for t his  | Ableton Live: | |||
latency by simply turning on the   | ||||
(PDC) or s imilar, usually found in the appli  | cations  | ‘Options>Delay Compensation’ | ||
preferences. Some hosts e  | ven provide full pl  | Important: Delay compensation is fully automatic and requires  | ||
compensation thro ughout the enti re signal path, incl uding  | no user intervention when Duende PCIe   | |||
sends, groups, and buses.  | 
  | 
  | 
  | hosts that support full   | 
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