Linux-audio-user December 2013

linux-audio-user@lists.linuxaudio.org

100 participants
87 discussions

by Grekim Jennings

I've used a lot of Windows and Mac audio software over the past 13 years. But, I am not at all into looping and use very little midi or virtual instruments. So for real audio recording with very good built in EQ's and compressors my favorite is Sawstudio. It installs in seconds and is a solid code. There is a X-mas sale on now and the Basic version is $200. However, you would have to buy an additional bit of software to use midi at all. Reaper is also painless to install and is solid and $60. For virtual creativity (and sounds) check out Propellerhead's Reason ($400). Grekim

12 years, 2 months

[LAU] SteamOS RT kernel

by Dan MacDonald

Anyone who has visited a Linux/tech news site today will no doubt be aware of the launch of the beta version of Valve's SteamOS. I've not had chance to try it myself yet and I won't get the chance to play with it for a few days either but its based on a heavily patched Debian Wheezy. What could be of more interest to Linux audio land is that it uses a heavily patched 3.10 RT kernel. Although Valve's tweaks won't have been made with JACK / LA in mind, I can't help but wonder if their modifications will be of benefit to Linux audio? Regardless, I think SteamOS is fantastic news for Linux. This is hot on the heels of DOOM's 20th birthday. DOOM was of course one of the first commercial games to have a Linux port and to later get GPL'd and it was the game that convinced me (and millions of others, I'm sure) to buy a PC.

12 years, 2 months

[LAU] ardour3 on debian stable

by Atte

Hi I'm runing crunchbang linux, which essentially is debian stable. I'm having trouble getting ardour3 working, tried both the source tarball, checking out from git and the paid-for download from ardour.org. Let's take the later: atte@skagen:~/software/ardour3$ sudo dpkg -i ardour3_3.5.74~dfsg-1_i386.deb [sudo] password for atte: Selecting previously unselected package ardour3. (Reading database ... 208603 files and directories currently installed.) Unpacking ardour3 (from ardour3_3.5.74~dfsg-1_i386.deb) ... dpkg: dependency problems prevent configuration of ardour3: ardour3 depends on libc6 (>= 2.17); however: Version of libc6:i386 on system is 2.13-38. ardour3 depends on libfftw3-double3; however: Package libfftw3-double3 is not installed. ardour3 depends on libfftw3-single3; however: Package libfftw3-single3 is not installed. ardour3 depends on libflac8 (>= 1.3.0); however: Version of libflac8:i386 on system is 1.2.1-6. ardour3 depends on libfontconfig1 (>= 2.11); however: Version of libfontconfig1:i386 on system is 2.9.0-7.1. ardour3 depends on libglibmm-2.4-1c2a (>= 2.36.2); however: Version of libglibmm-2.4-1c2a:i386 on system is 2.32.1-1. ardour3 depends on libpango-1.0-0 (>= 1.14.0); however: Package libpango-1.0-0 is not installed. ardour3 depends on libpangocairo-1.0-0 (>= 1.14.0); however: Package libpangocairo-1.0-0 is not installed. ardour3 depends on libpangoft2-1.0-0 (>= 1.14.0); however: Package libpangoft2-1.0-0 is not installed. dpkg: error processing ardour3 (--install): dependency problems - leaving unconfigured Processing triggers for man-db ... Processing triggers for desktop-file-utils ... Processing triggers for shared-mime-info ... Processing triggers for menu ... Errors were encountered while processing: ardour3 Hmmm. So ardour3 is dependent libs with higher version numbers than my system provides. Needless to say, I don't want to break my system doing this, so in stead of just poking around, I'd rather ask here: What are the steps needed to safely install the dependencies for ardour3 on a debian stable system? Thanks in advance for any help! -- Atte http://atte.dk http://modlys.dk

12 years, 2 months

[LAU] you should not use glibc 2.17, at least without a patch for libm

by Tito Latini

Hello, I want to highlight this bug, even if many probably know it, because it is absolutely to avoid in a sound machine. In another thread "[LAU] ardour3 on debian stable" [1]: > Unpacking ardour3 (from ardour3_3.5.74~dfsg-1_i386.deb) ... > dpkg: dependency problems prevent configuration of ardour3: > [...] > ardour3 depends on libc6 (>= 2.17); however: Some libraries employed by ardour (for example rubberband, vamp-sdk and qm-dsp) use sin|cos|exp from `libm'. There is a degradation of the performance (3:1 in my code for sound synthesis) caused by a bug in glibc 2.17 (more info here [2]). Some distros are updated (for example fedora [3]) but in some cases, one is the last slackware 14.1, it is necessary to recompile the sources after the application of the patch. For debian users: I don't see the patch in 2.17-97 [4]. Tito Latini [1] http://lists.linuxaudio.org/pipermail/linux-audio-user/2013-December/095293… [2] http://sourceware.org/ml/libc-alpha/2013-06/msg00118.html [3] https://bugzilla.redhat.com/show_bug.cgi?id=977887 [4] http://ftp-master.metadata.debian.org/changelogs/main/e/eglibc/eglibc_2.17-…

12 years, 2 months

[LAU] f.lux-compatible flat screen TVs?

by Aaron L.

I'm interested in using one with both the Linux box and a mac mini. I currently already run Ubuntu 11.10 on an older Visio of some sort. F.lux doesn't run on it. Not too sure why. Seems like a hardware issue. I kinda like the big, big-screen aspect but the TV-Monitor combo is ridiculously bright when up close and personal. I use Ardour a bit and lurk on this list like a mofo. Hence my question here. Thanks!

12 years, 2 months

[LAU] USB card oddness

by Bob van der Poel

I have one of those cheap little sound cards which look like a telephone handset which I've been using on my wife's computer. Had it plugged into a USB multiport. Worked without a problem .... until recently. The speaker worked just fine, but the microphone refused to work. And when I say that it didn't work, it was completely dead. Mind you both pulse and alsa found the mic just fine. I thought the unit was buggered. After all, it's just a 5 or 10$ device. But, I tried it on my computer and it worked fine. Hmmm .... now I get to debug! Figured it out after a few hours :) We'd only recently plugged her mouse into the same multiport. If the "telephone" is plugged into a different port, it works. If the mouse is not plugged into the multiport, it works. So, the problem turns out to be that having a mouse and the microphone on the same multiport caused the problem. Posted here so someone else can save a few hours :) -- **** Listen to my FREE CD at http://www.mellowood.ca/music/cedars **** Bob van der Poel ** Wynndel, British Columbia, CANADA ** EMAIL: bob(a)mellowood.ca WWW: http://www.mellowood.ca

12 years, 2 months

[LAU] OpenAV : Luppp release!

by Harry van Haaren

Hey All, I'm delighted to say that 5 days after announcing, Luppp has reached its target donation! That means that its now available under the GPLv3+ license, to everybody! Grab the details & source from here: http://openavproductions.com/luppp I'd like to thanks the community, for the awesome support Luppp has recieved! Thanks to LeatusPenguin, ZthMusic, AutoStatic, and others for beta-testing, making this release much more polished before this release. Thanks to Jonathan Liles for writing NTK, the user-interface toolkit behind the OpenAV software interfaces. Thanks to all the contributers: you are the reason this software is available right now! Thanks again, -Harry

12 years, 2 months

Re: [LAU] Music made with linux: Modlys/Barn Jesus i en krybbe lå

by Atte

On 12/09/2013 03:54 PM, F. Silvain wrote: > Hey hey Atte! > I've heard your first song of advent and liked it. I shall make a > comment on it for all. Now I wanted to listen to your second track, but > somehow I have a problem with this website. I understand it's bandcamp. > I don't know, what is wrong exactly. Could you send another direct link, > or is your music available on youtube or other platforms? Here you are: https://dl.dropboxusercontent.com/u/4343030/barn_jesus_i_en_krybbe_laa.mp3 > Thank you for the nice music! You're welcome! -- Atte http://atte.dk http://modlys.dk

12 years, 2 months

[LAU] aubio 0.4.0~beta1

by Paul Brossier

Hi all, I have just published aubio 0.4.0~beta1. It would be nice if some of you could give it a go before I push the final 0.4.0. It's available here: http://aubio.org/pub/aubio-0.4.0~beta1.tar.bz2 Here is the ChangeLog entry: * Overdue: After more than five years of development behind the curtain, time has come to release a new version of aubio. * General: The library has been completely revised since 0.3.2. The API has seen a major clean up, and has been thoroughly tested. The following list of changes is not exhaustive. * Memory management: allocation and freeing of memory has been optimized in many ways. Several memory leaks and out of bound access have been fixed. * Optimization: the FFT, central to most algorithm, can now be computed using different optimized algorithms, depending on what is available on your platform (FFTW, Ooura, or vDSP). Other simple optimization tricks are included. Most can be deactivated by configuring the build accordingly. * python/: The python interface has been completely rewritten to use numpy C interface, making the aubio python module order of magnitudes faster than the previous version. Several demos and tests are included. * src/: source and header files are now organized in sub-directories. * src/io/source.h: new source readers can now use any or all of libav, CoreAudio, and libsndfile. This means that aubio can now easily read most uncompressed and compressed formats. Compiled with libav, aubio can also read audio from video files, and over the network. * src/io/sink.h: a new sink object lets you write wav files with any number of channels, at any samplerate, using libsndfile or CoreAudio. * src/onset, src/tempo/, src/pitch: the different methods for onset, tempo, and pitch extraction have seen many bug-fixes and optimizations. * src/spectral/specdesc.h: new onset distances and statistical measures have been added. * src/spectral/filterbank.h: new filter bank to compute the energy in any custom-defined frequency bands. * src/spectral/mfcc.h, examples/aubiomfcc.c: a standard implementation of the Mel-Frequency Cepstrum Coefficients algorithm has been added. * src/temporal/{a,c}_weighting.h: standard implementation of the C-weighting and A-weighting pre-processing filters are now provided for most commons sampling rates. * src/synth/wavetable.h, src/synth/sampler.h: provide basic ways to generate some sounds. * src/fvec.h: fvec_t, the vector object central to most aubio algorithms, is now single channel. This simplifies the code of each algorithm greatly. * src/lvec.h: lvec_t provides a double precision vector, required for some operations to avoid floating point overflow * src/fmat.h: fmat_t provides a single precision matrix, useful for multi-channel operations and to some algorithms such as the spectral filter bank. * examples/: several new options, including new programs, have been included. Refer to the documentation for details. * tests/: several tests and examples programs have been added. This should be a good place to look at to understand how to use aubio. * doc/web.cfg: a simplified Doxygen configuration produces a simpler html documentation. * doc/*.txt: the manpages have been rewritten for txt2man. * Build system: the build system has been switched from autotools/automake to waf. Type './waf' or see README.md for instructions on how to use waf. Questions and comments welcome! Cheers, piem

12 years, 2 months

[LAU] The Issue: AV concert & Installation_made in Linux!

by Djého Youn

Hello, The Issue (jae ho youn + sergio millan) finished a month long residency @ the Labirynt gallery in Lublin, Poland. as the outcome, we made a DMX light + sound installation in the cave and AV concert, some graphical works generated by sound. all the sound that you'll hear is 100% Linux. worked on (still!) ubuntu 10.10 and supercollider 3.4. the visuals are done with OpenFrameWorks. DMX installation is done by supercollider and processing. these works are documented on my blog, so please take your time and check them out, you won't be disappointed, I promise. http://jhyoun.wordpress.com/ Thank you very much. sincerely, jae ho youn -- Jae Ho YOUN http://jaehoyoun.com http://advancedsituation.com/

12 years, 2 months

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Linux-audio-user December 2013