On Monday, May 09, 2016 14:39:13 S. Christian Collins wrote: > > Have you tried another DAW application? > > Yes. Here are the results: > > First, a couple notes: > > * My ASIO driver is only available at 48 KHz, so that is the rate all > my DAWs are running at. > * Here is the MIDI file > <https://dl.dropboxusercontent.com/u/8126161/Blue%20Storm.mid> that > I have been using for this test (student composition, please do not > share). Set the DAW to 70 BPM for correct tempo. > > Test results: > > * *Acoustica Mixcraft 7 x64/x86 + LinuxSampler x64/x86:* mixing down > to 44.1 or 48 KHz audio = LinuxSampler reloads its samples at > beginning of mixdown, audio renders as silence. > * *SONAR x64 + LinuxSampler x64:* mixing down to 44.1 or 48 KHz audio > = samples are not re-loaded, audio renders normally > * *Reaper x64 + LinuxSampler x64:* mixing down to 48 KHz audio works > as expected, but mixing down to 44.1 causes LinuxSampler to reload > its samples, and the audio renders as silence.
The sample rate used is probably not the actual problem. It is noteworthy that the sampler must cache additional sample points of certain samples in case the DAW increases the audio period size. That is unavoidable and takes a moment. And during offline (non real-time) audio rendering DAWs usually switch to a much bigger period size than the DAW is using during regular real-time operation while you are editing the song etc. A DAW usually does so by default (on offline renders) to decrease the CPU load while rendering and thus to decrease the time it takes to finish rendering the entire song. Because the lower the audio period size, the higher the CPU load will be and thus a higher period size means a lower CPU load. However LinuxSampler only caches additional sample points when the period size is increased, not when being decreased, nor when being increased back to a period size it had before. That means the second time you start the audio mixdown it should work as expected. Correct? CU Christian ------------------------------------------------------------------------------ Mobile security can be enabling, not merely restricting. Employees who bring their own devices (BYOD) to work are irked by the imposition of MDM restrictions. Mobile Device Manager Plus allows you to control only the apps on BYO-devices by containerizing them, leaving personal data untouched! https://ad.doubleclick.net/ddm/clk/304595813;131938128;j _______________________________________________ Linuxsampler-devel mailing list Linuxsampler-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxsampler-devel
