Linux-audio-user April 2005

linux-audio-user@lists.linuxaudio.org

163 participants
185 discussions

by lachata

Hello. I'd like to rec from the microphone from my code. What I've done is to call "sox -t ossdsp -s -r 44100 -c 1 /dev/dsp -t .wav melodia.wav &" from my code (GUI). The problem is that I need to add the "&" at the end, because in other case, the sistem doesn't respond. But in this way I need to send a kill signal. This run ok in most of the cases, but not in all of them. Sometimes, sox takes a wrong header (wrong size of the file), which doesn't ocurr at all if i run sox from the command line without the "&" at the end. Does anyone have any idea that what can i do? Thank you very much.

19 years, 6 months

[linux-audio-user] Segmentation Fault

by Link Ray Swanson

I'm using the latest Planet CCRMA FC3 package and from time to time I get a "segmentation fault" error when I try to launch Ardour or Audacity. I hear it has something to do with a segment of required memory being "blocked" but that's about all I know. My system has 256MB of RAM and I am not running any other applications when I try to launch them. All advice is greatly appreciated. Link

19 years, 6 months

[linux-audio-user] Linuxtag 2005 audio booth participation II

by Christoph Eckert

Hi, we're currently four people for the linux audio booth. This is still too less because each of us wants to have some leisure time to visit other projects and talks. I think that six people is great, so at least three of them can always be at the booth. Even if you do not plan to be at Linuxtag over all the days your help is really welcome. So we're still looking for people who want to join us, mainly being at the booth, answering questions and demoing software. Information about the Linuxtag can be found on http://www.linuxtag.org/2005/en/home.html If you're interested, please contact me via personal mail. Thanks & best regards ce

19 years, 6 months

[linux-audio-user] Re: [linux-audio-dev] Tracktion, JUCE and Linux

by Paul Davis

>What I still do find disturbing is that you claim your project to be GPL-ed. >The dual license scheme effectively allows any user to buy him/herself >out of his/her obligations under the GPL. The GPL itself does not AFAIK >allow for such a buy-out, so as far as I can see it just doesn't apply. it can only be done by the user negotiating directly with Jules, who holds the copyright and is therefore not bound by the GPL with respect to his own code. a user who does this is effectively negotiating a new license agreement with the copyright holder. the GPL has nothing to say about what the copyright holder may or may not do under such circumstances, since its an agreement *between* the copyright holder and a user who has agreed to use the GPL. someone may or may not like that Jules is willing to offer non-GPL licenses for JUCE, but he's completely free to do so, just as TrollTech do (did?) for Qt. i must say that the dual license nature of JUCE would be either the first or second most compelling reason for me, as a GPL-using developer, not to work with it. the idea that any work i contribute is free to end up in a close-source product for which i will receive neither compensation nor source code turns my stomach. --p

19 years, 6 months

[linux-audio-user] GPL FAQs (Re: [linux-audio-dev] Tracktion, JUCE and Linux)

by Andreas Kuckartz

Those who are interested in licensing issues and questions might want to RTF (Read The FAQ) before asking specific questions here: Frequently Asked Questions about the GNU GPL http://www.gnu.org/licenses/gpl-faq.html MySQL and OpenOffice are well known projects using some kind of dual licensing. Cheers, Andreas

19 years, 6 months

[linux-audio-user] trying to get midi input working

by airplays55＠yahoo.com

The latest version of knoppix features UNIONFS for easy package installation, and a more complete ALSA implementation than previous versions, so I ran alsaconf to setup my soundcard (SB-Live!), and the external midiports seem to be recognized (see below), but I am unable to record midi input (I've tried several apps including steem, muse, and rosegarden4) How can I troubleshoot this? # cat /proc/asound/devices 8: [0- 0]: raw midi 0: [0- 0]: ctl 1: : sequencer 9: [0- 1]: raw midi 10: [0- 2]: raw midi 33: : timer (excluding digital audio entries) # aconnect -i client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' client 64: 'EMU10K1 MPU-401 (UART)' [type=kernel] 0 'EMU10K1 MPU-401 (UART)' __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

19 years, 6 months

[linux-audio-user] Re: [linux-audio-dev] Tracktion, JUCE and Linux

by Paul Davis

>Oh god - I said I wouldn't get drawn into a licensing discussion here.. >Ok, this is my last post on the subject - I find writing code more >satisfying than discussing the finer philosophical points of it. me too, but your project is unusual in this regard, though far from unprecedented (Qt being the obvious prior art :). and since it represents the kind of stuff that many of us are interested in ... here we are :)) >I'm certainly not trying to exploit anyone here - this isn't i certainly wasn't trying to suggest that. i think that what you've done with JUCE is great and admirable. there's no reason other than good intent for you to have released this under the GPL, and i thank you for it. >big-business. Imagine if someone did write an entire linux audio/midi >system for me, and if I included it verbatim in Juce. It'd make up >perhaps 0.1% of the total code. So even if I sold as many as 100 the amount is irrelevant. my concern wasn't about someone getting rich from my work, it was about the principle of someone being able to use my work in a way that doesn't reciprocate in either an open-source/GPL or a financial way. i just see that as wrong even if the financial amounts would be small, but i don't require that people agree with me. --p "ardour ported to JUCE, coming ... not" :)

19 years, 6 months

[linux-audio-user] Re: [linux-audio-dev] Tracktion, JUCE and Linux

by Andreas Kuckartz

Alfons Adriaensen wrote: > > ... - I've only taken a few bits from other people, and it's > > generally involved them sending me something they've written, and then > > me re-writing it because it's not done in quite the way I like it! > > ... > > 2. The quote above is quite informative IMHO. This type accepts > possibly GPL-ed code from others, rewrites it completely so he > can claim it is his own work, and then sells it. This mailing list should not be used to distribute unfounded insinuations or slanders. Have a look at the development process used for the Linux kernel. There are pretty strict rules for the code and many non-regular contributors are not aware of them. Sometimes the code is changed so that it follows the rules and in other cases it simply is rejected. Cheers, Andreas BTW: I agree that dual licensing can lead to problems.

19 years, 6 months

[linux-audio-user] Steinberg Nuendo Audiolink Multiset

by Josh Henne

Quick question. Is the Nuendo Audiolink compatible in Linux? It looks an awful lot like the RME Multiface. Seems to be cheaper than the RME branded box. ------------------------------------------------- This mail sent through IMP: http://horde.org/imp/

19 years, 6 months

[linux-audio-user] Jacklaunch vs. asoundrc jack plugin

by Ivica Ico Bukvic

Hi all, First of all, please accept my apologies for cross-posting. I simply feel that this issue may be of interest to all these groups. After some research and experimenting with jacklaunch (libjackasyn) as well as alsa .asoundrc jack plugin I found out that very few apps actually cooperate with either of these. Jack plugin for asoundrc practically works only with aplay/arecord and freebirth. Audacity doesn't cooperate with either, while jacklaunch even though it has been reported to work with sweep doesn't on my machines (mdk 10.0 and 10.1). I've tested latest jack, sweep, Alsa 1.0.6 and 1.0.7 (I did not go beyond that as 1.0.8 has apparent issues with hdsploader) and had no luck whatsoever. Hence, I am just wondering at this point whether asoundrc jack is still in the testing phase (some of the errors that apps reported trying to use jack plug were due to inability to probe some info from the alsa driver which implies possible incompleteness of the implementation or weird probing from the app's side) and also whether anyone has had better luck than myself using either of these with audacity, sweep, and other non-jackified, yet important Linux audio apps via either of the aforementioned ways. FWIW, it would be really nice to see some united effort to jackify some of the other critical Linux audio apps even if their original authors do not feel like that is one of their priorities (I know, I know, if I am so interested in such developments then I might as well set an example by doing what I am advocating, which is something I would love to do, but unfortunately currently the notion of "free time" in my life is but a joke). Many thanks! Best wishes, Ivica Ico Bukvic, composer & multimedia sculptor http://meowing.ccm.uc.edu/~ico/ -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.3 - Release Date: 4/5/2005

19 years, 6 months

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Linux-audio-user April 2005