Linux-audio-user November 2010

linux-audio-user@lists.linuxaudio.org

123 participants
93 discussions

by Jeff Sandys

MIDIOX has two functions MF2T and T2MF that will convert a midi file to text and back. These are windows/dos command line programs that should work with wine. I used it to edit cakewalk generated midi files with windows notepad when I was first learning midi (before I switched to linux). The text files are easy to read and edit if you understand the midi spec. http://www.midiox.com/ I started converting emacs asm86mode into a midi file mode with little success, but I still think it would be a good project. -- Jeff Sandys Christoph Kuhr said: Hi everyone, i want to textedit a qtractors miditrack clip. is there any way? which textformat, if any? no luck with nano (cryptic), gedit (unknown format)... perhaps anyone knows another good tool for making MIDI CC tracks?

14 years, 4 months

QTractor open MIDI files in texteditor?

by Christoph Kuhr

Hi everyone, i want to textedit a qtractors miditrack clip. is there any way? which textformat, if any? no luck with nano (cryptic), gedit (unknown format)... perhaps anyone knows another good tool for making MIDI CC tracks? greetz Ck

14 years, 4 months

How to reduce bass in the building

by Philipp

Hi there, I need to reduce the loudness in every room except the one with speakers. The issue seems to be mainly bass frequencies, which is hardly a surprise. Physically decoupling the speakers from the walls would be the most appropriate solution in this specific case. Currently some speakers hang while some sit on wall-mounted boards. What's the best but still reasonably easy/cheap way to decouple the speakers? My guesses so far: a) hanging is better than wall-mounted boards b) decoupling actually helps, at least a bit TIA for any comments Regards, Philipp

14 years, 4 months

xjadeo 0.6.0 release-candidate

by Robin Gareus

Hi *, xjadeo is the X JAck viDEo mOnitor: A program that displays a video clip in sync with an external time source. Applications include: soundtrack composition/editing, video monitoring and -installations. http://xjadeo.sf.net/ xjadeo is about to reach the next milestone. Highlights of updates: * qjadeo native QT4 implementation * LTC sync support * "art installation" mode (time-map, frame-crop) * x-platform support (runs on all OS that jack2 does) * rewritten manual * development moved to git * ... If you have a minute: please test! Should be easy enough: Thanks to Alessio Treglia it is already available in debian/sid and ubuntu/natty. Are you tired of whining about not being able to cooperate with a FLOSS project because you can't code..? Well, here's your chance: * We are thinking it is about time xjadeo has a stronger, more distinctive logo, and are also looking for a "Made with xjadeo" logo for film credit rolls. * We'd appreciate very much if you - preferably a native English speaker - would help to proof-read the new manual. more information about these be found at: https://sourceforge.net/projects/xjadeo/forums/forum/447922 Cheers! Luis & robin

14 years, 4 months

Re: [LAU] How to reduce bass in the building

by Fabio

you could uncouple them using (soft) rubber or springs. Those would absorb the vibrations. It would be most practicly placing them on the ground or a surface. You have to take care that frequency-resonance of the material is lower than the lowest the speaker produces - you can test that puxing them down and guessing the freuquency by the up and down movements. sorry, I hope one can understand my bad english Fabio Em terça-feira 16 novembro 2010, às 16:10:32, Philipp escreveu: > Hi there, > I need to reduce the loudness in every room except the one with > speakers. The issue seems to be mainly bass frequencies, which is hardly > a surprise. Physically decoupling the speakers from the walls would be > the most appropriate solution in this specific case. Currently some > speakers hang while some sit on wall-mounted boards. > > What's the best but still reasonably easy/cheap way to decouple the > speakers? > > My guesses so far: > a) hanging is better than wall-mounted boards > b) decoupling actually helps, at least a bit > > TIA for any comments > > Regards, > Philipp > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user >

14 years, 4 months

Plugin confused

by Chip VanDan

I recently was writing up an article for my site about my experiences with VST capabilities in Linux, mostly focused on the use of FST and learned that there was such thing as Linux Native VST format. I was about to begin compiling an addendum to my article but I discovered more. I already knew about LADSPA and knew a little about DSSI, but in the process I learned a little about LV2 as well. I'm trying to find a source that can compare all these plugin formats side by side and cannot seem to find one, so I might have to start compiling the project myself, but I figured I'd ask the LAU list first. Why do we have all these different plugin formats, and what are the differences? Are there any more worth mention that I haven't found yet? -- Christopher "Chip" Van Dan http://www.van-dan.com p.s. for those of you that don't know my site is aimed at beginners and I just merely share my experiences without getting extremely technical

14 years, 4 months

edirol fa101 on differant rate that 48k ?

by Dragan Noveski

hallo list, i borrowed yesterday an edirol fa-101 in order to try if it will work on my sidux/aptosid mix. after some tweaking around and reading errors in qjack's messages window i get it to work really nicely in 48kHz mode. with all other sample rates which the card seems to be providing ( and is providing on my friends mac...) i could not get it to run. on a ffado page the card is listed as 'full supported', so i understood that also different SR should work. i also realized that turning the SR knob on the card does not changes nothing and that the SR is given in jackd's command line. could someone who is using this card please make some comments on this? cheers, doc

14 years, 4 months

Re: [LAU] Introduction and questions

by Batz

Y-ellow All and thanks for the kind responses. Out of interest. Yes the name does attract the ladies. Right up until they find out I'm actually a geek. It's all down hill from there. I was deliberately brief. Or as brief as possible with my first message. So I'll try to elaborate a little without getting too wordy. Which I am inclined to do. Apart from the many crazy things I do, I'm something of an electronics engineer. I know very little about coding except for machine code on small micros. In fact, truth be known, I can barely compile a kernel to save myself. Sad but true. And whilst my lab is currently in a state of disarray, I am mainly a hardware person. Apart from a little bit of machine code on small micros, I couldn't cobble together "hello world" in a pink fit. The problem is that slackware has no native package loader. It sometimes works with RPMs and DEBs but I will probably require a lot of hand-holding to get this to work. But I'm more familiar with slackware than anything else. I'm the kind of animal that dives in as root and damn the consequences. I never did get along with ubuntu for that reason. :( I have a Yamaha A4000 sampler but nothing will talk to it's proprietary file system. There use to be some software for BOSH (AKA Bastard Operating System from Hell. AKA windows. ) called A3Kdisky. This is apparently the only thing out there which will understand the FS. However it's totally made of unobtainium these days. I've been searching for it for months. The A4K would otherwise be perfect. Nice filters. 3 FX chains. Solid hardware. Perhaps a little too solid as it's big and weighs a ton. Best of all, I've got one right here right now. And it's fully tricked out. But if I can't talk to it, it's really just a boat anchor. Some ten years ago, before my musical career took a detour into 3D graphics, I use to use a lowly Creati-Flabs AWE32 sound card as a sampler. This was surprisingly serviceable. It was limited but I still managed to record albums, master and play live with it. Scary as that thought might seem. I liked the work-flow in fact. There were lots of trade-offs but apart from anything else, it's ISA and can't be pressed into service these days. It seems none of the good ol' wave-table sound cards are of any use these days. Even the old SAM7 based Terratech cards. That was then and this is now. So this would be the basic spec I'd be looking for... *32 voices or more polyphonic. *16 part polytimbral or greater *Multi-mode filters per voice. *Stereo sampling (If possible) Although 2 mono layers would be fine. *Decent envelopes. (IE: something better than an ADSR) Filter and amplitude *Syncable, multi-wave-form LFOs *3 effects chains. (Rev/Chor/flange/del etc) *Should have low latency so it can be played live. And an S/PDIF out. Being a computing platform it may as well have some wave editing software on-board as well. But otherwise be a turn-key system. With as much non-essential stuff stripped out of the OS as possible. I'll still need networking and SAMBA though. And if it could do MIDI over Ether, it would be the ant's pants. Otherwise it would have to talk to a generic, (Read cheap Chinese made) USB MIDI interface. Hardware wise I'd like to keep it as small as possible. In fact if I could squeeze the whole thing into a 1U 19" rack boxen I'd be over the moon. Regardless of which it has to live in a 19" rack for gigging. I was thinking that perhaps I could find an old lap top with a broken screen for nix. Tear it apart and, as a friend of mine once put it. "Modify it beyond manufacturer's specification." This of course means it would be using a 5400RPM disk drive. Although perhaps with a little cable jockying, I could run a 3.5" drive in the box. It would be nice if I could get it to boot from FLASH but just as long as it's relatively physically quiet. On the other hand, I'm not sure it be possible to get the latency down to an acceptable (Read real-time) rate with on-board sound. Unless there's a trick I can do under linux? Most Mo-bo sound systems have a buffer which can't easily be tweaked. Therefore it may be necessary to use a PCI card of some kind. And I need to figure this out before I even start thinking about nailing a test-bed to a piece of wood. Which brings me to another, perhaps stupid question. What about the notion of getting something like a Soundblaster Live or Audigy card and using that? When I say hardware based, I mean that the wave-table engine is based in hardware rather than software. So that the software need only control the hardware. This is a far more robust solution. But it would still have to meet the above specs (Or something close) and I would still need to be able to edit/tweak and play it as a synth. It also means that the CPU wouldn't have to be as fast. Probably even a PIII would suffice. (Were it not for the GUI.) Has anyone done this kind of thing to any great effect? I've got a few VIA based Mo-bos. I don't know how fast the smaller ones are but they're tiny. I have been thinking for a long time how nice it would be to build a linux based synth with an actual front panel. This is a long term goal but it would be rather cool. Design the front panel fairly generically and shove the board out on the net. Then people could chose the synth system they want to build, whack the front panel onto a Mo-bo and build a proper rack synth. Only a synth that can be upgraded and tweaked. For now though, I'm rather desperate for a sampler I can get together and gig with. So I'm open to suggestions. Thanks in advance. Very much appreciated. Be absolutely icebox. ________ _ _ / ____|| | // Disgusting -> http://all-electric.com / /| |____ | |// The trusted _-_|\ / __ ____|| < name in / \ / / | |____ | \ \ non-sequitur \_.-*_/ / / |______|| |\ \ entertainment v All Electric Kitchen Music-> http://all-electric.com/music_downloads.html

14 years, 4 months

Good bass soundfont/samples?

by Ken Restivo

Looks like I'm back to being a bass player again, and I need to update/improve my bass sounds. Are there any good bass soundfonts or sample sets (multiple velocity layers, good strong tone, etc), out there for free or some reasonable charge? -ken

14 years, 4 months

Life in the old beast yet! A session report

by Joe Hartley

My studio machine has been around for a while - it's a 3GHz P4 (with hyperthreading! Ohhh, 2 cores!) and 1GB RAM. I have 2 M-Audio 1010s for 16 channels of I/O. Over the past week, I modified the machine to use a 500GB Seagate Constellation SATA hard drive as the primary OS and archive drive, and an 80GB Intel X25-M SSD to record to. I also installed Fedora 12/CCRMA so there was the question of how performant that would be. On top of everything, it was the first session in my new studio space, having moved at the end of last year and needing some time to get the space into shape. This was just an overdub session, but the system performed very well - not a single xrun all evening - and the new space was comfortable and worked really well. -- ====================================================================== Joe Hartley - UNIX/network Consultant - jh(a)brainiac.com Without deviation from the norm, "progress" is not possible. - FZappa

14 years, 4 months

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Linux-audio-user November 2010