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DXi's & Look-ahead Processing at High Latencies
The information in this article applies to:
- SONAR 4 Producer Edition
- SONAR 4 Studio Edition
- SONAR 3 Producer Edition
- SONAR 3 Studio Edition
- SONAR Home Studio Version 4
Some plug-ins, such as the Sonitus:fx Multiband and other dynamics processors,
use a look-ahead buffer mechanism, which results in a short delay being introduced
to the output signal when the plug-in is used in real-time. SONAR's automatic delay compensation (ADC) takes care of any delays, but you may experience some anomalies when using such a plug-in to process the output of a DXi-especially
if SONAR is configured to use a high mixing latency. The symptoms include audio
that appears to drop out, and/or missed notes (from the MIDI track that is assigned
to the DXi). Again, this is more prone to occur with higher latency settings.
This may happen if SONAR doesn't pump ahead enough MIDI data to compensate for ADC.
To fix this problem, go to Options-Global-MIDI and increase the Prepare Using
[n] Millisecond Buffers value.
Keywords: techkb, S3P, S3S, SR3, SR4, CWHS4, DXi, DirectX
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