Linux-audio-user December 2013

linux-audio-user@lists.linuxaudio.org

100 participants
87 discussions

by Peter O'Doherty

Hi, I've just installed qjackctl and am having trouble with the audio setup in a few programs (like pd, supercollider). When I run these programs I get no sound and also no error messages in qjackctl. Is there a way to test whether jack is working correctly? Here is my setup: Ubuntu 13.04 qjackctl 0.3.10 libjack-jackd2-0 libjack-jackd2-dev Any help would be greatly appreciated. Thanks, Peter -- //============================= -> Peter O'Doherty -> http://www.peterodoherty.net -> mail(a)peterodoherty.net //=============================

12 years

Midi program change in Muse

by Brent Busby

Does anyone happen to know how to insert a Midi program change command in mid-sequence in Muse? If I bring up the piano roll editor to edit a region, there is a tool at the bottom under "ctrl" to insert things, including program numbers, but anything I put there changes the global program number for the whole track, and is seen in the main window as the new program for that track's whole timeline. I'm sure there's got to be a way to put a program change command into the middle of the track timeline, isn't there? -- + Brent A. Busby + "We've all heard that a million monkeys + Sr. UNIX Systems Admin + banging on a million typewriters will + University of Chicago + eventually reproduce the entire works of + James Franck Institute + Shakespeare. Now, thanks to the Internet, + Materials Research Ctr + we know this is not true." -Robert Wilensky

12 years

Re: [LAU] Fedora Jam 20 Heisenbug released

by Brendan Jones

On 12/28/2013 10:01 PM, Brendan Jones wrote: > On 12/28/2013 08:38 PM, Bob van der Poel wrote: >> You might consider adding MMA to the repository. For some reason >> (probably 'cause I have no friends :) ) it's not in the debian, but >> lots of folks seem to be using/enjoying. >> >> http://www.mellowood.ca/mma >> > Thanks for the headsup. Some new packagers incubating and I will let > them know! > Oops, to the list as well...

12 years

jack -> net driver

by David Santamauro

Hi, I have jack running on a windows machine with the net driver (slave). The master is fedora 18. The relevant incantations (taken from .jackdrc) are: Master: jackd -S -dalsa -dhw:0 -r44100 -p256 -n3 -H -M -Xseq Slave: jackd -X winmme -dnet -i2 -o2 -C8 -P24 -i8 ... both controlled by qjackctl This has been working pretty flawlessly for a few months but when I noticed with a certain instrument on the slave there was some midi latency, I decided to try fiddling with master -p (frames/period). I shut both slave and master down, changed period from 256 -> 128 and fired up the master -- all great, played some music , made a few live recordings etc. Then I started the slave (same command line) and noticed massive xruns (on the slave) -- so ... I change it all back to -p 256 but the xruns are still present (on the slave). Poking around a bit, I opened up the "options" on the master and it says Frames/Period: 256, I open up options on the slave, and it is grayed out but says: Frames/Period: 512. My questions are simply: 1) is qjackctl reporting this correctly on the slave? 2) if so, how or why would they be different? 3) is this why I'm seeing massive xruns? Any help appreciated. David

12 years

new capture lv2 plug

by hermann meyer

Hi I've just uploaded a new lv2 plug, which will capture the audio stream to file. It comes without GUI, so the host need to provide the UI. It includes a mono and a stereo version, supported are .wav and .ogg format, via libsndfile http://www.mega-nerd.com/libsndfile/ The plug will create a directory in your home (lv2record) were it puts the records. It will check if a file exist and create a file-name to ensure no file get overwritten. A makefile is included, but no checks for dependency’s (libsndfile is needed) you can get the source here: https://github.com/brummer10/screcord.lv2 greets hermann

12 years

Re: [LAU] svn relocate (Ubuntu Studio)

by Saul Rayson

Hi All, Is there a way of checking svn relocate has been successful as described here: http://supercollider.github.io/development/quarks-repository-moved.html Thanks for any help. Cheers, Saul

12 years

Re: [LAU] Fwd: GMANE and complex networks

by Renato Fabbri

Ok. back to the list then. 2013/12/25 Philipp Überbacher <murks(a)tuxfamily.org>: > On Wed, 25 Dec 2013 14:24:26 -0200 > Renato Fabbri <renato.fabbri(a)gmail.com> wrote: > >> These results show some stable characteristics of these networks. What >> can be done with these are under research, by researchers around the >> world. We can think about ways to enhance information collection and >> diffusion, including >> independent media, for and from the community. Just one possibility. >> >> Don't bother about being aggressive, it is cool. Besides that, you >> gave me the opportunity >> to better explain the work on the list. I miss the list in our >> messages, though. Did you >> send me a pvt message on purpose? >> >> Regards, >> Renato > > Oh, sorry, my mail client replies to the personal email if the list is > only in CC, and I tend to forget to check. It was all intended for the > list. > > Regards, > Philipp -- GNU/Linux User #479299 labmacambira.sf.net

12 years

VIDEO OT: ffmpeg

by Atte

Hi I have two boxes running crunchbang, one has been 'infected' with software from non standard repos. Downgrading (removing, installing) ffmpeg to the older, official version on the infected box I get this: "ffmpeg: Symbol `av_pix_fmt_descriptors' has different size in shared object, consider re-linking" My question is: how do I figure out what library(ies) I need to downgrade? -- Atte http://atte.dk http://modlys.dk

12 years

OT: No list mail coming thru! (gmail bounces)

by James Stone

I noticed I have not been getting any emails thru from the list since October. I just checked my settings, and it seems that my preferences were auto-changed by listserv to "no mail" due to excessive bouncing. Not sure why my gmail address should be bouncing list emails. Any thoughts? James

12 years

Easiest way to extract score from an audio file

by Philipp Überbacher

Hi there, I'm a really bad musician. I can play simple songs on the piano if I have the score. Now I know a nice little song that I'd like to play and sing. It's just piano and vocals and I'm sure that for any decent musician it would be a matter of minutes to figure out the score of this song. Is there some piece of software that can help to do this? In case anyone is curious, the song is "Ohne Dich" by "The Bates". Regards, Philipp

12 years

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Linux-audio-user December 2013