Linux-audio-user December 2008

linux-audio-user@lists.linuxaudio.org

144 participants
133 discussions

by Grammostola Rosea

Hi, A couples months ago we started a forum at linuxmusicians.com . Our aim is to bring Linux musicians together and help each other to make music on the Linux platform. We want to promote FLOSS software for making music. We also want to make making music on Linux more accessible for newbies and less computer minded people. We think a forum is a good platform for this. For making music on Linux, we need of course good software. To inspire and help people to become a Linux audio developer, we launched a special part for developers on our forum, which you can find here: http://linuxmusicians.com/viewforum.php?f=44 As mentioned before, this should be a good and accessible place for newbie programmers. But we also like to invite more experienced developers to share their stuff, knowledge and help some newbies with their first steps. Would be cool if some more experienced programmes will visit the forum sometimes a month (for example) and give some feedback to newbie programmers or projects. If someone like to write an article about how to become a Linux audio programmer and how to start, you're very welcome! We are aware of the fact that there is also a linux-audio-dev mailinglist and IRC channel. We also think the Linux audio development community should operate as centralized as possible. So people can learn from each other and make a good interaction between different apps and projects as good as possible. That's why we wrote a short introduction in which we make new developers aware of the existence of these places. http://linuxmusicians.com/viewtopic.php?f=44&t=780 We hope we can inspire young and talented people to become a Linux audio developer. We hope that you guys will support this initiative and are willing to help new developers find their ways in the world of Linux audio development. Kind regards, \r

15 years, 11 months

Call for Participation: International Counting Track

by Thorsten Wilms

Hi! I have had this idea of creating a track with just counting, 1, 2, 3, 4 and 1 and 2 and 3 and 4 and Beat Beat Beat since long ... and only recently thought: How much more interesting would that be with many people, in several languages! So that's why I ask you for audio samples of yourself and everyone else you might get to do it, saying: A: One Two Three Four B: One and Two and Three and Four c: Beat preferably in your native language. With a tempo of 110 beats per minute (to be very clear, the "and" has to be between beats ;). All files should be: - WAV or wavpacked - 32 bit float, 48 KHz - Trimmed - Normalized - Dry - Explicitly licensed as http://creativecommons.org/licenses/by-sa/2.0/ or released to the Public Domain Please name them as follows: firstname_lastname_language_count.wav for "One Two Three Fou" firstname_lastname_language_count_and.wav for "One and Two ..." firstname_lastname_language_beat.wav for "Beat" I _much_ prefer links to uploads over email attachments. Consider using http://www.getdropbox.com/ if you have no other space. Please mail me off-list for submissions and on-list for questions. My intention is to offer the result and the material on archive.org. I also want to submit a version to the https://wiki.ubuntu.com/UbuntuFreeCultureShowcase I can't promise to use all contributions. I will sort out ones that sound suspiciously different from others claimed to be in the same language ;) However, all serious contributors will be given credit. I will collect files until the 15th of January! Happy holidays! -- Thorsten Wilms thorwil's design for free software: http://thorwil.wordpress.com/

15 years, 11 months

jackd capture problem

by Andras Simon

Hello List, I'm trying to use rakarrack, and in the process I found that it gets no input from line-in. (I use qjackctl to make the appropriate connections.) It's probably not a mixer problem, because I do hear what's coming in, it just doesn't seem to enter jackd's world. This is further confirmed by connecting jackmeter (http://www.ecs.soton.ac.uk/~njh/jackmeter) to alsa_pcm/capture_1 and seeing no signals. The soundcard is an old SB-something (lspci says: Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)), and I didn't have this problem with it in an older, Fedora 5 machine. The one I'm using now is Fedora 7, qjackctl 0.2.20. Any idea on what to check or try would be appreciated! Andras

15 years, 11 months

Fw : Re : jackd capture problem

by go music

Hi, it might be a mixer problem anyway. Some audio cards have that 'capture' channel, which might be hidden by default in the mixer. Can you configure your desktop's mixer and make it show that slider? As you checked the right way, for some cards, jackd gets its input from alsa capture, not from line in directly. So you need to setup your mixer such that capture receives from line in. Hope this helps? Frank --- En date de : Mar 30.12.08, Andras Simon <szajmi(a)gmail.com> a écrit : De: Andras Simon <szajmi(a)gmail.com> Objet: [LAU] jackd capture problem À: linux-audio-user(a)lists.linuxaudio.org Date: Mardi 30 Décembre 2008, 19h00 Hello List, I'm trying to use rakarrack, and in the process I found that it gets no input from line-in. (I use qjackctl to make the appropriate connections.) It's probably not a mixer problem, because I do hear what's coming in, it just doesn't seem to enter jackd's world. This is further confirmed by connecting jackmeter (http://www.ecs.soton.ac.uk/~njh/jackmeter) to alsa_pcm/capture_1 and seeing no signals. The soundcard is an old SB-something (lspci says: Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)), and I didn't have this problem with it in an older, Fedora 5 machine. The one I'm using now is Fedora 7, qjackctl 0.2.20. Any idea on what to check or try would be appreciated! Andras _______________________________________________ Linux-audio-user mailing list Linux-audio-user(a)lists.linuxaudio.org http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user

15 years, 11 months

The Drummer's Gigsaw: SWING and TECHNO.

by Philippe Hezaine

Hi all, New Year greetings. You'll find two very different styles here: SWING patterns: (a "mix" with cymbals in front off) http://philippe.hezaine.free.fr/spip.php?article25 TECHNO patterns: http://philippe.hezaine.free.fr/spip.php?article50 Have fun. -- Phil. Superbonus-Project (Site principal) <http://superbonus.project.free.fr> Superbonus-Project (Plate-forme d'échange): <http://philippe.hezaine.free.fr>

15 years, 11 months

Cannot Find Video Stream (xjadeo)

by Esben Stien

Having real fun with video lately and we definitely need jack-video;). We also lack a graphics users list. I have problems with xjadeo. No matter what video I try to play, it always prints out: Cannot find a video stream in file <filename>. This even with the supplied test avi file or any file I throw at it. All files are playable in players, such as mplayer. I have FFmpeg-GIT. I've tried both xjadeo release and xjadeo-SVN. -- Esben Stien is b0ef@e s a http://www. s t n m irc://irc. b - i . e/%23contact sip:b0ef@ e e jid:b0ef@ n n

15 years, 11 months

Best setup for sound recording under Intrepid

by Stephen Nesbitt

All: In this maillist I have seen a lot of warning that realtime is broken in Intrepid. Ok that's understandable if not wonderful :-) But the question is then if one is running Intrepid what is the proper setup? I'm looking for something like "The (almost) Perfect Sound Recording Setup for Ubuntu Intrepid Ibex". This is information I haven't seen and given the number of questions in reference to Intrepid being asked on this list, one that might be valuable. The fundamental requirement is that one is running Intrepid as one's main system. Replacing Intrepid with Hardy is not an option. Here are some possibilities that have crossed my mind: 1) Setup a dual boot Hardy/Intrepid system - doable but a pain because of 1) the need to reboot and 2) the potential loss of access to one's standard home directory, tools, email and system configuration. 2) Use Intrepid despite not having access to a realtime kernel. In this case information on realistic expectations on latency, how to best configure Jack to limit xruns, etc would be very nice. In other words, can Intrepid even be used as a base for music recording and what are the gotchas (if any)? 3) Run Hardy based studio as a guest OS in vmware or VirtualBox. I don't even know if this is possible? What does it mean to run a guest OS in a realtime environment when the host is not? And even if that isn't a problem, how does one configure the sound system? For instance how do I get the guest system to recognize my Delta 44 card? Or PulseAudio? Thanks in advance! -steve

15 years, 11 months

common music?

by bernie arai

is anyone using rick taube's common music on ubuntu? i just get a segfault with no other info when i try to run cm.sh and the install notes don't offer any "when things go wrong" help... i have no idea what to try next. (trying to) use cm 2.10.0 on ubuntu hardy... thanks in advance bernie

15 years, 11 months

MP3 pitch adjustment

by Michael

I have an MP3 of a vintage clarinet piece that seems to be about 6% fast, or as one person observed "This recording seems to be pitched at around A=467Hz" Would Audacity be the right tool to correct the entire MP3? If not Audacity, what is a recommended tool? -- Michael Rasmussen http://www.jamhome.us/ Be Appropriate && Follow Your Curiosity

15 years, 11 months

Kubuntu Intrepid & recent versions of Ardour

by Stephen Nesbitt

All: I am running Kubuntu Intrepid and have installed the ubuntu-studio metapackage. Right now my installed Ardour version is 2.5. Is there a deb package for 2.6 or 2.7 or am I stuck compiling my own? Thanks, -steve

15 years, 11 months

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Linux-audio-user December 2008