Linux-audio-user September 2006

linux-audio-user@lists.linuxaudio.org

165 participants
155 discussions

[linux-audio-user] Jackd won't start after an acpi mem suspend. (cannot send/read request type 7 to server (broken pipe))

by Brian Dunn

If I leave jackd running and hibernate-mem my laptop, when i wake it up jackd has quit and will not start again without a reboot. This occurs 100% of the time. If i shut down jack before suspending, it will start normally when i wake the machine up. I'm working on a scriptlet to be run by the hibernate scripts that will check to see if jackd is running and kill it before suspend. But that's turned out to be some challenging bash-ing indeed, and so i'm wondering if there is anything i can do to get jackd to start without having to reboot, in the meantime. ( like, manually fixing the broken pipe? ) And also, btw, what is a signal 7? Here is what pops up in the message window of qjackctl. I noticed that jackd starts, but then the "watchdog thread" kills it. 11:21:03.630 /usr/bin/jackd -R -dalsa -dhw:0 -r44100 -p2048 -n3 -S 11:21:03.664 JACK was started with PID=19379 (0x4bb3). jackd 0.101.1 Copyright 2001-2005 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK compiled with System V SHM support. loading driver .. No supported SIMD instruction sets detected apparent rate = 44100 creating alsa driver ... hw:0|hw:0|2048|3|44100|0|0|nomon|swmeter|-|16bit control device hw:0 configuring for 44100Hz, period = 2048 frames, buffer = 3 periods nperiods = 3 for capture nperiods = 3 for playback 11:21:05.682 Server configuration saved to "/home/brian/.jackdrc". 11:21:05.683 Statistics reset. 11:21:05.689 Client activated. 11:21:05.690 Audio connection change. 11:21:05.692 Audio connection graph change. No supported SIMD instruction sets detected 11:21:05.892 Audio active patchbay scan... jackd watchdog: timeout - killing jackd zombified - calling shutdown handler 11:21:09.405 Shutdown notification. 11:21:09.406 Client deactivated. 11:21:09.407 JACK was stopped successfully. cannot send request type 7 to server cannot read result for request type 7 from server (Broken pipe) cannot send request type 7 to server cannot read result for request type 7 from server (Broken pipe) thanks guys.

18 years, 3 months

[linux-audio-user] sound recording application

by Josh Lawrence

Hello all, I'm writing this for a friend who is Linux saavy, but not a member of this list, nor a "sound guy." He needs an audio application that will record for a specific amount of time, say, for 4 hours, without user intervention. He needs to be able to say, begin recording conference at 9:00 AM and stop at 4:00 PM and walk away without ever thinking about it again. I'm familiar with all of the basic sound apps (Audacity), but I am completely stumped when it comes to the timer aspect of his request. Anyone have any ideas? Thanks, Josh -- Josh Lawrence http://www.hardbop200.com

18 years, 3 months

[linux-audio-user] Musix GNU/Linux 0.59 released

by Marcos Guglielmetti

== Download == http://www.musix.org.ar/download.html Thanks to the support of the Ututo Proyect, FSF, Ourproject, and to the usual collaborators, the Musix project has just released Musix 0.59, with more then 650 packages upgraded, a 100% graphic startup process, new audio and video hardware detection, NTFS write support, samba, Amarok and much more. == Musix GNU/Linux, release announcement == The Musix project is pleased to announce the new version of this 100% freedom software operating system for artists and general purpose users. More than 650 packages were upgraded and many others were included, for instance the udev system, the awesome multimedia player Amarok, writing support for NTFS partitions, samba and mp3 codec for audacity. === System and Desktop Startup === The system's startup process now is totally graphic, we added a splash screen to avoid hi verbosity, and the (icewm+rox-filer) Desktop now starts without user interaction. If it fails, you can type videoconfig.sh and try another videocard/monitor configuration, then restart your desktop. === Hard disks === We hope Musix 0.59 could fix some detection problems related to hard disk detection and configuration. === Video === The new video management should work better for your hardware... now there are 3 autodetection methods to choose from: 0) "Musix", that works using a new Xorg's ability, 1) the default "Knoppix" method, and 2) the Gentoo Live-CD method. We advice you to try the "Musix" method: it should give you the best possible configuration for your videocard/monitor. === Sound === The autodetection method for soundcards was changed because hotplug was replaced by udev. Now the soundcard autodetection is done by a modified alsaconf script. === Upgrading without reinstallation === Musix 0.59 should be able to upgrade an old installed version using the "Package Upgrader" tool from the new knoppix's installer. Nonetheless, we advice to use the traditional installation way, because this upgrading system is too experimental for now. Also, "Package Upgrader" could transform a Knoppix (or similar) installation to a Musix system. === Summarize === In short: Musix 0.59 it's a necessary step towards the 1.0 stable version that should be ready in the first months of 2007, when Debian Etch will be stable, but there is a long way to go... == Changelog 0.59 == == Updated packages == Over 650 packages were updated, for example: kdebase-data: 3.5.4-2 libgtk2.0-bin: 2.8.18-1 rosegarden4: 1.2.3-2 jackd: 0.101.1-1 == New packages == * udev (is a daemon which dynamically creates and removes device nodes from /dev/, handles hotplug events and loads drivers at boot time.) * Lashd (is a session management system for JACK and ALSA audio applications on GNU/Linux.) * Amarok (versatile and easy to use audio player. It tries to be a little different, providing a simple drag and drop interface that really makes playlist handling easy.) * Foobillard (is a billiards game with a three dimensional display) * musix-freepats-extras * musix-bin-scripts * eq-xmms-musix * musix-desktop-upgrade * musix-colombo-drumkit * musix-docs * musix-soundfonts * samba 3.0.22-1 (a LanManager-like file and printer server for Unix) * ntfs-3g (It provides full read-write access to NTFS, excluding access to encrypted files, writing compressed files, changing file ownership, access right) * timemachine-lancher from Adrian Pardini * mp3 encoder for Audacity * Added special graphical effects (xcompmgr) as an option == New features in 0.59 == * Created ntfsmusix.sh: assistant for NTFS partition configuration. * Modified alsaconf to work with multiple sound cards. * /bin/videoconfig.sh and /bin/menu improved. * New method for video detection (works only with Xorg >= a 7.0), /bin/xorgmusix.sh * Autostart system of applications in the desktop: ~/Desktop/Autostart * Most of Musix own characteristics were packed in .deb files with the objective to update old hard disk installations from a new Live-CD and also to convert or Debian/etch into Musix. == Other changes == == To do == * Add http://directory.fsf.org/dvdrip.html * Make splashy to take images from the last desktop (maybe with xdump) or any screen capturer. It can be useful to make the shutdown or even the boot... (can't make it with xwd or ksnapshot because they're not automatic) *Enhance alsaconf to force it to install EVERY soundcard found. * Create a KDE application resetter: (killall dcopserver, rm ~/.ICE* ~/.DOC*) and place a shortcut in IceWM menu * Disable soundcard autodetection process in old computers (use bogoimps) * Build an adaptable system for capacity process (bogoimps) for timidity * Package NyF and nn in .deb files * Install Gilberto Borge's control panel (needs changes) * Add Rosegarden 1.2.4 from RPMs? * Find out possible RPMs to add * Install multimedia kernel 2.6.17? * Add a line in fstab with tmpfs for dev/shm if working with realtime kernel * Find out solution for amsn and xterm == Known problems in 0.59 == * If after installation the sound card is not correctly configured in each system boot, is necessary to write this command in a text console as root user: ln -s /bin/sndconf-musix.sh /etc/rcS.d/S50snd * After installation: if the “critical Error” warning when initiating the desktop for the Knoppix user bothers you, it can be disabled from: Musix --> Settings --> KDE Control Panel --> System Administration --> Login Manager --> Convenience There, disable the '''"Enable Auto-login"''' option. * Shaketracker 0.4.6-5+b1 doesn't start. * AMSN does not start due to a color definition problem, which it's related the application mrxvt. It can be replaced by using GAIM -- Marcos Guglielmetti * Director del desarrollo de Musix GNU+Linux, 100% Software Libre * CD Donwload: (http://www.musix.org.ar/en/) (www.pc-musica.com.ar/musix) * Videos, programas y otras cosas en: ftp://musix.ourproject.org/pub/musix/ * Reporte de errores a: https://www.musix.org.ar/wiki/index.php?title=Problemas-Bugs *IRC: #musix channel on freenode

18 years, 3 months

[linux-audio-user] Song (i.e. project) managers ?

by lanas

Folks, Now that I got some things running (jack, Zyn, Hydrogen and Ardour) not int he best of ways, but still, I get fun from trying this and thus doing little jams. I reckon that I have a lot more to learn and would eventually like to use Studio64 (now using CCRMA) to take most benefit from the machine. So now that I do some jams using accoustic guitar and software-based sounds, I start to wonder if there are any song (i.e. project) managers out there that could, say, launch all apps with the proper settings according to a song ? Better yet. We have MIDI. This is quite a standard that everyone seems to adhere to. We have Jack. Now, is there a standard means to IPC between audio apps ? Such that a song manager could IPC (and eventually launch apps that are not running) to the various apps used for song, setting along the way the parameters for each app through IPC ? Such a song manager could, using this standardized IPC, get a dump of relevant settings from all apps contributing to a song project and save that to disk to be recalled at a later time. Project templates could also be made. So, are there any utilities like that out there ? Is it possible to IPC to at least some of the audio apps out there ? Cheers, Al

18 years, 3 months

[linux-audio-user] Intel Dual Core vs. AMD64

by Arthur Moore

I'm looking at getting a new laptop for audio production (current system is pentium IIIM 1.3Ghz, 512 M memory, 5200 RPM hard drive, Presonus Firepod running with FreeBob , not really cutting it). I'm wondering what people's opinions about the Intel dual core vs. an AMD64 bit processor, both with 2GB of memory, and a 100GB 7200 RPM hard drive. From my limited understanding the dual core is like a dual processor (maybe?) running in parallel. It seems to me that the dual core would be better than the AMD64 for audio production. Art

18 years, 3 months

[linux-audio-user] Spoofing

by lanas

Folks, While watching the great movie (!) 'Son of Godzilla' I thought it'd be great fun for the kids and me to add our own dialogues to the movie. Something in the vein of MST3K or what the Firesign Theatre once did. We'd take some parts of the movie and add our own silly dialogues, while keeping the sound effects and music, if possible. Now, I won't ask if anyone wasted 'quality fun time' doing this. But let's suppose some did or at least some have good ideas about how to do that, perhaps using a homemade DV movie. How would you go about adding a soundtrack to parts of a movie that's transferred to disk ? Is there a 'movie' player whose audio output can be fed into Jack and mixed using Ardour ? How about recording back to a 'movie format' the results of both the audio mix and the footage ? Disclaimer: sorry if parts of the query offends digital management rights activists. This is absolutely not for resale. It is only for fun. Cheers, Al

18 years, 3 months

Re: [linux-audio-user] Intel core-duo cpu and realtime patches

by Chris Simpson

i can successfully compile a 2.6.17.6 kernel with patch-2.6.17-rt7, with ACPI disabled within the kernel .config (and from boot just to be doubly sure), but it still won't boot. the chip is exactly the same (intel core duo T2400). what is the difference between the realtime-lsm patch and the MIngo one? chris

18 years, 3 months

[linux-audio-user] pd and gem on gentoo

by luis jure

hello list, anyone using pd and gem on a gentoo system? i had no problems installing the latest version of pd (i adapted an older ebuild), but gem is being more problematic. i have installed all the dependencies mentioned in the documentation, but ./configure fails due to something related to openGL: Finished building Auxilliary Libraries ====================================== checking for main in -lX11... yes checking for main in -lXext... yes checking for XF86VidModeGetAllModeLines in -lXxf86vm... yes checking for sin in -lm... no checking for main in -lz... no checking for glInitNames in -lGL... no checking for glInitNames in -lMesaGL... no OpenGL is mandatory i have an HP laptop (amd64, nvidia video card). i'm still using the plain nv open drivers. google shows, as usual, lots of (contradicting and possibly outdated) solutions to this, so i decided to invoke the wisdom of the list. best, lj

18 years, 3 months

Re: Re: [linux-audio-user] Very short composition

by Tim Howard

Dave Philips wrote: > I think you're on the right track with regards to layering your > instruments. However, you should take more time balancing the separate > tracks. Right now the instruments aren't blending so well. The guitar is > a little too far up front, and your other instruments need more > attention to their relationship with the guitar part. I noticed that when I tested it out on my main stereo system, but I'm a little unsure of what to do to make leads "sit" in the mix... any suggestions? I keep getting hung up between "I want my lead to be heard" and "I want the overall mix to blend really well", and I can never seem to satisfy both. > you're excited by the possibilities opened up by this great software we > have, but perhaps you should take more time with the details of your > mix. Edits and retakes are parts of the creative process, you'll find > and do new things as you go over your work with the proverbial > fine-tooth comb. Good advice! I will definitely be spending more time on my mixes from here on. :-) Thanks a lot for the feedback, Dave. TimH

18 years, 3 months

[linux-audio-user] Drumkit woes

by Folderol

I have some MIDI tracks that use the Yamaha SY35 drum kit. I can duplicate most of the samples and the few I can't find elsewhere I can record from the Yamaha. I had hoped to then build up a drum kit in Hydrogen so that I can use these MIDI files without a lot of messing about. However I find that the lowest 'note' in Hydrogen is almost an octave above the lowest one on the SY35. This I can easily get around by pitch shifting the entire track. However, what is more serious is that Hydrogen doesn't have anything like enough 'notes' so even without shifting up, a lot would be lost off the top end. Can anyone suggest a way round this? I REALLY don't want to edit the files note-by-note. I tried that once and it almost drove me nuts. -- Will J G

18 years, 3 months

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Linux-audio-user September 2006