Quentin Harley wrote: > Ralf Mardorf wrote: >> Gustin Johnson wrote: >> >>> Ralf Mardorf wrote: >>> >>> >>>> The Californian musician, who is using Intel, is now using XP, Cubase >>>> and Halion and has no troubles, this is the evidence that his hardware >>>> isn't defect. >>>> >>>> >>> Actually all this says is that his hardware works under XP. There is a >>> good deal of hardware that has problems or is outright broken in other >>> Operating Systems. This is not a true apples to apples comparison. >>> Without knowing more about this Californian's setup, I can provide no >>> guidance or suggestions whatsoever. >>> >>> When I have time I will try your test to see if I can reproduce the >>> problems you are having. >>> >> >> C, Am, F, G wasn't what I was playing, but simply doing something like >> this is enough, to make the applications crash. A lot of "users" don't >> have that trouble with Linux MIDI, but there might be many people, who >> try to become Linux users, having the same problems. And maybe some >> audio engineers using Ardour, but no MIDI sequencer, don't know, that >> their computers are also not fine with Linux MIDI. >> >> Some people like me does research, to get Linux compatible hardware, but >> information about this is limited. If my neighbours would do the things >> they do with their Windows PCs, using my computer with Linux instead, >> they won't get any problems with my hardware and Linux. >> >> > > The reason why I chose the rach as a demo is because it has a lot of > instruments in sync, both using fluidsynth and Qsampler. To add to > the carnage, ole Rachmaninov liked a lot of notes in his piano > concertos, making it harder for samplers to keep up. > > If you can send me one of those midi files crashing your system, I > could make you a new demo. > > Quentin
Hi Quentin :) all I have as MIDI file is fine. I can play those MIDI productions and edit Fluidsynth-DSSI for Rosegarden. I can't record MIDI myself and Fluidsynth isn't fine with Qtractor at the moment. I tested different MIDI sequencers and need to do it again, to explain which combinations will make which applications unstable. There's no distro and no combination of applications, that allows me to do a whole pop song, in a creative way and an adequate time, because of the crashes. It's not one crash/hour, it's one crash/minute and often there is the need to reboot after a crash. Maybe Qtractor is a sequencer that is stable for Suse 11.0 on my machine, while Rosegarden and MusE aren't stable for Suse 11.0 and 64 Studio 2.1, but I can't use Fluidsynth (DSSI and Qsynth), when running Qtracktor. I CAN PLAY but can NOT RECORD MIDI without too many crashes. Sync between MIDI track 1 to MIDI track 100 isn't any problem, because MIDI jitter seems to be the same for each track and the flutter of speed is too short to be hearable, if it's the same for each track. Play a kick for each bar (4 to the floor) and record this to an audio track and than play the MIDI and audio kick in unison. I've found settings that are fine, but borderline. It's possible that while the audio track is straight, the MIDI track has jitter, that will cause an effect, that sounds like a single early reflection and even if the two kicks can be heard as one (without early reflection like delay), the phasing effect of the doubled kick must always be the same, if there is no jitter, but instead of this, the phasing sound does differ. NOTE: Technical phasing is a flanger effect, not a phaser effect. The same sound doubled, at nearly always the same time, should be nearly perfect be in sync for the phase of the audio wave forms and only if the start point for one or both sound/s has a fluctuation, you will her different eliminations, because of the shifted phases, the (technical) phasing, for effect racks called flanging, will differ. You might not hear this for such test events, but if you do a master mixing, it will be less clean. Such time differences makes the difference between expensive and low coast mixing consoles. The tolerance for capacitors in resistor-capacitor-elements, for different expensive mixing consoles causes less hearable effects, as minimal MIDI jitter does. A wide range of jitter can result in bad grooves or a complete broken timing. Cheers, Ralf
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