The entire clip has exported cleanly 6 times although the distortion continues to happen during playback, which would seem to implicate them, but I can raise the buffer size to 16,384 frames (LMMS max) and it has no effect.
LMMS doesn't seem to have a way to count underruns. So I believe that LMMS has direct soundcard access but can not be 100% sure at this time.ĥ.) That brings us to buffer underruns. I assume since it is not providing a toggle that it would use the exclusive mode as default, but I can't confirm that yet since LMMS doesn't have great documentation.
The problem is that the only way to toggle between modes seems to be through the interface of your DAW and LMMS does not appear to offer any option for that. It can operate in exclusive mode or shared mode - in exclusive it should give direct and exclusive soundcard access. I have this selected in LMMS for my backend.
LMMS CRACKLING SOUND WINDOWS
It does not work with LMMS, however, that should be moot in terms of bypassing windows kmixer because Windows apparently has its own built in way to do that - WASAPI. At this samplerate increasing demand for playback does not shake it out of its pattern.Ĥ.) I've seen a lot of advice online for Asio4all as a method for giving the DAW exclusive and direct access to the soundcard.
However, when the samplerate is set to 44100 Hz the crackle is from the beginning of the song everytime, in quiet, brief, and regular intervals about 1/3 of a second apart (just counting in my head). Sometimes it is quiet and brief, sometimes loud and extended. Occasionally, however it will happen immediately. It is never in the same place, but always in the same general areas. When it is set to 48000 Hz the crackling is inconsistent, seeming to be better at first, but building up with more playbacks, the more frequent the playback requests the worse. Although it has happened in all of these circumstances, it does not happen every time.ģ.) There is a difference in the distortion depending on whether I set the samplerate in Windows Sounds/Playback/Speakers/Properties/Advanced to 0 Hz or 0 Hz. That could bebecause of the static-y nature of thunder and rain. It has happened in all of these circumstances, although it was easier to provoke with Vestige than AudioFile. I have tried each of these tracks singly (with "solo" selected so the others are muted, although still being processed) and of course everything together. None of that seems to have any effect.Ģ.) I don't believe it is a single instrument or plugin because it happens with the Vestige plugin playing a "thunder" instrument, another Vestige running "rain", an AudioFile plugin playing an on board "explosion.ds" sample and another 2 Audiofiles with high and low pitch. Here is what I have tried so far:ġ.) First, I turned off system sounds, turned power usage to high performance, turned HQ mode in the DAW on and off.
LMMS CRACKLING SOUND 64 BIT
I'm using LMMS 1.0 and a Realtek built in soundcard on a 64 bit Windows 7 laptop. I would sincerely appreciate any help anyone could give diagnosing this problem. I am new to digital music and I am unable to fix a crackling in my DAW.
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