Linux-audio-user December 2008

linux-audio-user@lists.linuxaudio.org

144 participants
133 discussions

by Josh Lawrence

hi everyone! I've got to crank out a few lead sheets in the next week for a gig coming up, and I thought it would be fun to use a notation program instead of doing it all by hand. I have two requirements: 1. I'd like to define my own chord names in the chord symbols, 2. I really really would like to use slash notation (also called rhythm notation?). do any of the current offerings do this? I've scoped out abc, but no mention of slash notation anywhere. I'm sure lilypond can do it, but the overwhelming complexity of that program scares me. any other suggestions? thanks, Josh -- Josh Lawrence http://www.hardbop200.com

17 years

Re: [LAU] embedded devices for audio

by Nathanael Anderson

A major issue that you'll run into is Jack support. All information i've seen is that the rt patches haven't been ported to arm, so you'll experience alot of xruns, and not be able to get very low latency. if you want a portable device for audio, you'll probably want to get an atom based mid, and tweak it. Nathanael

17 years

The Drummer's Gigsaw: CHA-CHA-CHA patterns.

by Philippe Hezaine

Hi all, Here is the third notebook alone which contains some Cha-cha-cha patterns: http://philippe.hezaine.free.fr/spip.php?article39 I get a move on, guys! As you have been feeling, may be, i wasn't entirely confident with the velocities yet, especially in the Reggae patterns. Now i'm sure 100%. I'll update later. As for me i write all the patterns from 64th up to 8th notes. But it's really possible to use all the durations without an overlap of velocities. The difficult thing is the volume of instruments between each other, in others words the mix. If you use samples you can tweak each track, but it will be a good thing to find a well balanced patterns in midi. Any feedback on this? And perhaps we can manage a friendly challenge of the "best patterns of the month" on linux-audio? But who should be the maintainer? My English isn't sure at all and i'm too busy for that. Have fun. -- Phil. Superbonus-Project (Site principal) <http://superbonus.project.free.fr> Superbonus-Project (Plate-forme d'échange): <http://philippe.hezaine.free.fr>

17 years

Best Live DVD for sound?

by Julien Claassen

Hello! what would you say, is the easiest and most user friendly linux live DVD/CD for experimenting with sound? It should be colourful and very GUI! :-) It's not for me... Kindest regards and thanks for any good advise Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

17 years

Fedora Core 9, Planet CCRMA, and PulseAudio

by The Other

Hello All, Summary: Is there any tutorial on PulseAudio and Linux Audio so I can can learn how to record and playback using a PCI sound card (Audigy2 ZS)? In October I upgraded from Fedora 6 and Planet CCRMA to Fedora 9. I immediately discovered PulseAudio was now the default sound server. Okay. Still waiting on the CCRMA repositories for Fedora 9. (Any idea when that will come along? Fedora is now up to version 10.) I installed everything in the free and nonfree repositories that had anything to do with OSS, ALSA, and PulseAudio. This is because PulseAudio insists on using the PC motherboard's speaker for output. I have no clue what PulseAudio is trying to use for recording. I am able to use Audacity to record a RealPlayer audio stream from Internet radio (that's very nice, I also upgraded from Dial-up to high-speed DSL at the same time.) But trying to record from the DVD drive and Audacity is not working. Trying to record anything with qjackctl and ardour2 is not working either. I tried to remove PulseAudio, but that pretty much broke all sound on the machine. Any ideas how to edit a PulseAudio configuration file to remove the motherboard sound chip as being seen, or as being selected as the default? If I can't do that, any ideas on how to get PulseAudio to default to the Audigy2 ZS? And any ideas how to get the PulseAudio mixer to recognize the Audigy2 ZS directly so I can get back to the various capture controls? Currently the ALSA PulseAudio mixer only shows Master playback and a generic Capture control. Yes, that's only 2 controls on that mixer. What frustration I'm feeling. Thanks All, Stephen.

17 years

Re: [LAU] Bug: kernel or ardour related?

by Matthias Schönborn

Finally I`m able to use linux-rt with the desired resolution again. The solution was to first remove any fglrx-driver. Then I fully deinstalled the linux kernels and xserver-xorg and then reinstalled those. Why didn`t I try that before?? Conlusion: I`ll never touch that fglrx driver again!! I guess either of the installation or deinstallation of the fglrx driver didn`t work properly and damaged some file or another. At least now I know that the fglrx driver definitetly doesn`t work with linux-rt. Anyway, thanks to everyone for your help!! Cheers Matthias

17 years

Higher resolution video with sync'ed stereo audio

by Ken Restivo

I was able to get the high-resolution video clip of Me and My Cronies, synced up with the high-resolution audio recorded on the Zoom H2, and both to upload to Vimeo. They're here: http://vimeo.com/2519799 and here http://vimeo.com/2519825 Funny how the Zoom that they're recorded on is visible in the video, but neither were synced up or otherwise connected until I imported the tracks in Ardour. So that'll solve the "AGC pumping" problem Frank noted. Sound quality is much nicer. Vimeo is great, but there's one slight annoyance: uploading to it requires Flash, which I despise, and which doesn't work with the free Flash swfdec package in Debian. Process used to sync the video to a Zoom H2 44.1/16 audio file: 1) mplayer -ao pcm:file=bad-audio.wav original-video.avi 2) mencoder -nosound -ovc copy -o muted-video.avi original-video.avi 3) Open an Ardour project and import the high-resolution WAV (from the Zoom) and the bad-audio.wav file. 4) Visually and aurally sync up the two audios-- easy at extreme +/- zoom levels. 5) Mute the "bad-audio" track. 6) Line up the start and end with the start and end of the "bad-audio" track (or use regions). Adjust the left/right panning to match that of the video if they're reversed (it was in this case). 7) Export the audio to highres-audio.wav (or regions). 8) lame -cbr 192 -m s -h highres-audio.wav 9) avimerge -o synced-video.avi -i muted-video.avi -p highres-audio.wav.mp3 10) mencoder synced-video.avi -o synced-video-small.avi -oac copy -ovc xvid -xvidopts bitrate=1500 (or do a two-pass version). 11) Find a machine with an Adobe Flash player, and upload the video to Vimeo. -ken

17 years

The Drummer's Gigsaw: the first two notebooks

by Philippe Hezaine

Hi all, Here are the first two notebooks of the Gigsaw. http://superbonus.project.free.fr/spip.php?article44 Have fun. -- Phil. Superbonus-Project (Site principal) <http://superbonus.project.free.fr> Superbonus-Project (Plate-forme d'échange): <http://philippe.hezaine.free.fr>

17 years

: tons of delay of 5667.000 usecs exceeds estimated spare time of 5298.000; restart ...

by Mysth-R

Hi, I just bought a Native Instrument Audio Kontrol 1 Usb2 and I got some strange problems with it. I made some test. Some times it works perfectly, and other times I got this type of messages in qjackctl : delay of 5667.000 usecs exceeds estimated spare time of 5298.000; restart ... It doesn't seem to directly affect the sound. I am running a 2.6.25.8-rt7 kernel with Jack-0.116.1 I don't really understand what happens. Some other times the sound become totally crappy. And the last strange behaviour I noticed is when I use PD. When I open some of my patchs, but not all, the audio connexions of my sound card disappear in qjackctl, jack is totally blocked and I can't kill it even with "killall -9 jackd" command. I have to reboot. I tried with a 2.6.26 kernel and it does the same. Any experience or hints to help me ? Thank you cheers, Mysth-R -- * *************************************************************************************** * {^_^} Mysth-R {^_^} * <= Aide Auditive => * * http://myspace.com/mysthr * http://myspace.com/aideauditive * http://mysthr.free.fr/Joomla => Site dédié à l'audio sous Fedora/PlanetCCRMA. * ***************************************************************************************

17 years

Desparately seeking: a gui-less DAW

by Matthew Smith

Hi Folks My laptop runs Gentoo Linux. It is primarily a work tool - I write web applications. As I use my own self-compiled Apache HTTPd, MySQL and Perl (as well as a whole load of other tools), wiping the machine and starting from scratch isn't something that I can undertake lightly. In the past, it has taken about a week to do this when changing machines. "What's that got to do with audio?" I hear you ask. What it has to do with audio is that fact that I can't use Ardour (won't compile), Rosegarden (crashes) or Qtractor (crashes unless run as root). I've tried Muse but the graphics are so squashed and awful that it is unusable. Now, all the above issues appear to be down to the underlying GUI toolkits (re-installation/upgrading of QT, KDE, GTK doesn't fix anything - given up even trying). As I'm not really that big a fan of GUI applications anyway, I wonder if I'm taking the wrong approach - should I not be using a console application instead? Having a look around, I have stumbled on Ecasound - sounds good to me apart from the fact that I can't see any mention about being able to sync to MIDI. I don't need a sequencer - I have one in my Kawai K5000W that is just SO easy to use that I wouldn't bother using one on the computer. I do, however, need that synchronisation - MIDI start/stop, clock in the recording application. Suggestions? Cheers M -- Matthew Smith Smiffytech - Technology Consulting & Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

17 years

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Linux-audio-user December 2008