Linux-audio-user February 2008

linux-audio-user@lists.linuxaudio.org

143 participants
139 discussions

by sed＠free.fr

> Greetings, > > I was notified that the URL for sed's gcomposer (in my latest LJ > article) is no longer in service. > > Sed, if you're out there, what's the new address ? > > Best, > > dp Hi Dave, hi everyone, there is no new URL. Dave, you may safely remove any link to sed.free.fr/* from your website. If some people need gcomposer (or others stuff previously available on sed.free.fr), they can try to get in touch by email (mailto:sed@free.fr), I have some files here at home. I think this address will stay there for a while. Sorry for the annoyance (and the noise on the list). Take care, Cédric.

16 years, 10 months

Re: [LAU] RT error?

by Sampo Savolainen

Quoting Josh Lawrence <hardbop200(a)gmail.com>: > I get this a lot with various applications, I've been meaning to ask > about it. Does it mean that something is wrong with my RT kernel? > This specific error came from Renoise, but again, I've seen it with > other applications as well. > > cannot lock down memory for RT thread (Cannot allocate memory) Realtime applications need instant access to their memory. For that to be possible, the application must "lock" it's memory so that the operating system does not swap it. However, locking is "dangerous" in the sense that a program could lock all available memory and thus take down the whole system. This is why Linux has a system of setting the maximum amount of locked memory. This is controlled via /etc/security/limits.conf memlock attribute. See http://irc.esben-stien.name/mediawiki/index.php/POSIX_1.e_Realtime_Capabili… for a quick reference on how to set it up. The reason you are getting that message is probably due to a too low memlock setting. Sampo

16 years, 10 months

RT error?

by Josh Lawrence

I get this a lot with various applications, I've been meaning to ask about it. Does it mean that something is wrong with my RT kernel? This specific error came from Renoise, but again, I've seen it with other applications as well. cannot lock down memory for RT thread (Cannot allocate memory) -- Josh Lawrence http://www.hardbop200.com

16 years, 10 months

another scripting question

by Dave Phillips

Greetings, I'd like to add some conditional tests to my simple scripts. For example, I want to query the system to determine whether JACK is already running. If it is, I'll run an app (e.g. xine or AlsaPlayer) configured for JACK. If JACK is not running, I'll run the app without it. So how do I test for JACK in a simple bash shell script ? Similarly, I'd like to display an option to launch JACK if it isn't already running, but I think I can figure that one for myself. :) Best, dp

16 years, 10 months

gcomposer URL ?

by Dave Phillips

Greetings, I was notified that the URL for sed's gcomposer (in my latest LJ article) is no longer in service. Sed, if you're out there, what's the new address ? Best, dp

16 years, 10 months

Statistics on an audio file.

by Alex Polite

I'm looking for a command line tool that will let me do some basic statistical analysis on an audio file. First of all I need a way to determine the distribution of volume levels in an audio file. Could sox be disciplined into doing something like that? Maybe with the help of a handwritten filter? alex -- http://polite.se

16 years, 10 months

Ardour Session Exchange - experience?

by jmacdermott＠dopd.com

I've been having a blast recording with Ardour on my 64 Studio v2 setup. I'd like to collaborate with a friend who lives in another country. I'm very interested in Ardour Session Exchange, but I can't find much documentation on it, or much in the way of user experiences. Can anyone point me in the right direction for a newbie? Does anyone have any other tips of sharing Ardour sessions remotely? Thanks! Jay

16 years, 10 months

tool to seperate elements of a song

by schoappied

Hi, Is there a linux tool which can analyze a song? I want to listen only the voice, drums or guitarpart.... regards, Dirk

16 years, 10 months

Re: [LAU] [OT] Another problem with creative commons licenses [UPDATE]

by Cesare Marilungo

drew Roberts wrote: > On Wednesday 20 February 2008 15:56:24 you wrote: > >> drew Roberts wrote: >> >>> On Wednesday 20 February 2008 12:46:59 Cesare Marilungo wrote: >>> >>>> Cesare Marilungo wrote: >>>> >>>>> Here's the story: I published some tracks of mine at opsound.org. At >>>>> the time I submitted these tracks, the license was by-nc-sa, which is >>>>> the same license I've always used for all the other websites where I've >>>>> put my stuff. >>>>> >>>>> Now they've changed the license and removed the non-commercial clause. >>>>> As a result of this, may more websites (which crawl the content from >>>>> opsound) host my tracks with the by-sa license. >>>>> >>>>> Could they do this? What can I do now? >>>>> >>>>> -c. >>>>> >>>> I received a mail from opsound. It seems that the license has always >>>> been by-sa. >>>> >> First, let me state once again that it's not that I've changed my mind >> and it's not Opsound.org folks fault, either. I made a mistake and I'm >> trying to solve the issue. >> > > I think I have the events sorted at this point. The consequences and the > tricky bits? I don't know. > :-) >>> I was just researching that for you... >>> >>> I went to the wayback machine. >>> >>> http://web.archive.org/web/20030312104735/www.opsound.org/opsound.html >>> >>> That is the earliest page I could get to. Apr 07, 2003 >>> >> Yes, I aready checked on the wayback machine. >> >> >>> I has been straight BY-SA since then. >>> >>> >>>> Most websites that host music don't require any license at all. You just >>>> have to be the copyright holder and you must agree to let them publish >>>> your music on their website. Other sites, like Jamendo, let you choose >>>> which cc license you want to use. >>>> >>>> Probably, when I submitted my tracks it wasn't clear enough (at least to >>>> me) that the music should be licensed that way. >>>> >>> So, it may be that those tracks are BY-SA and you may not be able to do >>> much about it as far as people who already have them go. >>> >> This is true for those who acquired the tracks before today. >> > > Or for those who get them from those people. If anyone has a valid BY-SA > license from you, the cat is out of the bag so to speak. > > http://creativecommons.org/licenses/by-sa/2.0/legalcode > > "3. License Grant. Subject to the terms and conditions of this License, > Licensor hereby grants You a worldwide, royalty-free, non-exclusive, > perpetual (for the duration of the applicable copyright) license to exercise > the rights in the Work as stated below:" > > http://creativecommons.org/licenses/by-sa/2.5/legalcode > > "3. License Grant. Subject to the terms and conditions of this License, > Licensor hereby grants You a worldwide, royalty-free, non-exclusive, > perpetual (for the duration of the applicable copyright) license to exercise > the rights in the Work as stated below:" > > http://creativecommons.org/licenses/by-sa/3.0/legalcode > > "3. License Grant. Subject to the terms and conditions of this License, > Licensor hereby grants You a worldwide, royalty-free, non-exclusive, > perpetual (for the duration of the applicable copyright) license to exercise > the rights in the Work as stated below:" > > http://creativecommons.org/licenses/by-sa/1.0/legalcode > > "3. License Grant. Subject to the terms and conditions of this License, > Licensor hereby grants You a worldwide, royalty-free, non-exclusive, > perpetual (for the duration of the applicable copyright) license to exercise > the rights in the Work as stated below:" > > If you have given out a BY-SA license to anyone, it is perpetual as I get > things. > > And when they pass on cpoies, the license passes with it as I understand > things. Not necessarily, see below. > >> Now I >> removed my page at opsound.org and everywhere else (and in particular on >> my own website, where the tracks are physically hosted) the license for >> these tracks has always been by-nc-nd. >> >> So, if somebody wants to use these tracks for commercial purposes he >> should either consider them to be licensed as non-commercial or he >> should prove he acquired the tracks from Opsound in the period in which >> they were there with that particular license. >> > > Or from someone who got it from them during that time. > > And even that is perhaps. > Those who already got the tracks from Opsound can probably use them commercially, and they can give away the track but the license is not transmitted with the tracks. So those who get the tracks from these people cannot use them for commercial purposes. Otherwise one wouldn't been able to license things with many different licenses. Am I wrong? I've found a blog post about these kind of issue: http://danheller.blogspot.com/2008/01/gaming-creative-commons-for-profit.ht… Maybe the author is wrong, but my understanding is similar. > >> By the way, how you can >> prove such thing? >> > > People do different things. Some take screen shots. You are on the Linux Audio > Users mailing list. How do you prove you have rights to GPL and BSD code? How > does one prove that someone didn;t mistakenly license their program under the > GPL when they had intended it to be shareware? If someone decides to not > distribute their program under the GPL anymore, how are you going to prove > you got it when it was under the GPL? The problems are similar. > I don't know, that's why I'm asking for clues. :-) > >> If I want to use somebody else's work for a commercial >> purpose, and I see that his work is published on a website under a >> creative commons non non-commercial license, I would ask for a signed >> piece of paper that states so, so that I have a proof I can show in the >> case I get sued. >> > > How do you see a BY-SA license causing you trouble with these tracks? It may > be that those things you are worried about are unlikely to happen. > I'm not worried about what one could do. I just don't want to relicense these tracks on all the places that hosts them. I don't want to confuse people by having different licenses for different tracks. Moreover, two of these tracks are taken from two different albums. At this point, I'm considering relicensing all my music under the by-sa license, but I'm not sure yet. It's too much hassle for having submitted these tracks on a website with an unclear (at least to me) policy. I haven't signed an agreement or anything there. I just upload a bunch of tracks since I thought (and I still believe) it was a nice initiative (I mean, a website that hosts exclusively cc-licensed music) and I wanted to promote my music there. >> IANAL, and of course I'm not sure about this. But this is my understanding. >> >> >>> However, just FYI and the information of any else in a similar boat. >>> >>> If someone wants to include your BY-SA music in a film or video, the film >>> or video has to use the BY-SA license as well. If they are unwilling to >>> make the film BY-SA, then you can get paid for an lsternate license just >>> like someone who wanted to use an NC track or even an ARR work. >>> >>> Again, not legal advice, but look into the workings for yourself if you >>> are interested. >>> >>> >>>> Anyway, sorry for the noise. >>>> >>>> -c. >>>> >>> all the best, >>> >>> drew >>> >>> > > all the best, > > drew > > > > > Thanks for your help. Best, -c. -- www.cesaremarilungo.com

16 years, 10 months

Looking for 5/1/1991 broadcast Texas Rangers vs Toronto Blue Jays

by Wolfgang Woehl

Hi, I'm digging into James Benning's film "RR" trying to find all the accompanying soundbites. There is a shot where you can hear a radio (tv?) broadcast that mentions "Ryan" and "Tonight he has struck out all the men in the lineup". Sound and style of the commentator are fairly contemporary so I figure the game might just be Nolan Ryan's 7th no-hitter on May 1st 1991 (Texas Rangers vs Toronto Blue Jays). The broadcast is barely audible for most of its length because there is a train passing by (Benning's film is about trains, landscape, America). Would anyone happen to collect baseball broadcasts? Thank you, Wolfgang

16 years, 10 months

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Linux-audio-user February 2008