Limits for plugin delay compensation/lookahead?
-
- KVRian
- Topic Starter
- 626 posts since 30 Aug, 2012
If you have a plugin that uses large FIR filters, FFTs, "lookahead", etc., what is the most latency delay compensation you could expect to be supported by most DAWs (for VST2/3, and AU)?
Some plugins from companies like Izotope have very large PDC of 12,000 samples or more at 44.1kHz. That's a lot but what are the limits - or is that already pushing the limits?
And is that latency compensation limit a total for all plugins - or for each plugin?
Finally, does that amount of PDC typically scale with sample rate or is it a fixed number of max samples (i.e., less PDC time at higher sample rates)?
Some plugins from companies like Izotope have very large PDC of 12,000 samples or more at 44.1kHz. That's a lot but what are the limits - or is that already pushing the limits?
And is that latency compensation limit a total for all plugins - or for each plugin?
Finally, does that amount of PDC typically scale with sample rate or is it a fixed number of max samples (i.e., less PDC time at higher sample rates)?
-
- KVRian
- 1265 posts since 9 Sep, 2005 from Oulu, Finland
Reaper supports at least up to 3 seconds. But you will need to test each host you are planning to support or try finding out the limits from their manuals or support channels.
-
mike_the_ranger mike_the_ranger https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=393922
- KVRist
- 262 posts since 16 Feb, 2017
Good question. I ask myself why there should be a limit anyways. It's only about the host building a buffer of that length and the customer that has to wait for the right position.
Maybe that helps: FabFilter proq in max linear phase mode has more that 65000 samples latency and that's not a problem for pro tools or fl studio.
Maybe that helps: FabFilter proq in max linear phase mode has more that 65000 samples latency and that's not a problem for pro tools or fl studio.
-
- KVRian
- Topic Starter
- 626 posts since 30 Aug, 2012
-
- KVRian
- Topic Starter
- 626 posts since 30 Aug, 2012
OK, again, way more than I thought. Thank you for the info!mike_the_ranger wrote: ↑Thu Apr 25, 2019 4:29 pm Good question. I ask myself why there should be a limit anyways. It's only about the host building a buffer of that length and the customer that has to wait for the right position.
Maybe that helps: FabFilter proq in max linear phase mode has more that 65000 samples latency and that's not a problem for pro tools or fl studio.