Re: [fluid-dev] Adding Poly/mono functionality to FluidSynth

2016-07-05 Thread Ben Gonzales
Hi all. Is there any test I could run on the Pi that would help you analyse the problem? Ben On 06/07/16 04:55, Element Green wrote: Hello, I'm not sure if it could be the issue or not. But I remember a long while back (many years) FluidSynth used to have issues with denormal numbers cau

Re: [fluid-dev] Adding Poly/mono functionality to FluidSynth

2016-07-05 Thread Element Green
Hello, I'm not sure if it could be the issue or not. But I remember a long while back (many years) FluidSynth used to have issues with denormal numbers causing excessive CPU usage. That would be floating point numbers which are very small, but not 0. I don't know if ARM processors deal with den

Re: [fluid-dev] Adding Poly/mono functionality to FluidSynth

2016-07-05 Thread jean-jacques.ceresa
Hi Ben, On Windows, using your soundfont (gonzos-20160702.sf2), in mono mode i haven't expererienced absolutely no cpu excess usage, on alls 6 presets. I have look inside the preset. Each preset make use of 2 simulateneous voices maximum. So this is a very low CPU usage soundfont. Normally on a

Re: [fluid-dev] changing audio.period-size

2016-07-05 Thread Kjetil Matheussen
On Tue, Jul 5, 2016 at 1:19 AM, Element Green wrote: > > As Hamish mentioned, DirectSound does not perform very well when it comes > to low latency. You may want to look into other supported audio drivers > such as Jack Audio Connection Kit (which appears to be available on Windows > now)) or pe