Linux-audio-user March 2012

linux-audio-user@lists.linuxaudio.org

114 participants
122 discussions

Any hints how to avoid a bad screen resolution and to keep a kernel-rt?

by Ralf Mardorf

Hi :) since Arch upgraded X, the still supported nv driver won't work with my kernel-rt. For other Linux installs there isn't the nv driver available. Violating the GPL isn't an option, since for different reasons there's no guarantee that this will work all the times without much work. Nouveau is pestilence on my machine. I'm not willing to use vesa, since it doesn't support the resolution I wish to use. Pfff! What graphics can be used that at least for non-rt-kernels could be used with 3D acceleration and will provide without 3D acceleration any screen resolution, without having a bad impact to audio and MIDI? The integrated Radeon X1250 won't work with 3D acceleration, a GeForce 7200GS replace the ATI, it was ok with the proprietary driver for non-rt kernels and using the nv driver it worked with rt kernels. Nouveau doesn't work the way I expect a driver to work. Now the nv driver doesn't work anymore. Regards, Ralf

12 years, 8 months

Re: [LAU] AMS LV2 plugins: Version 0.0.7 - Include a Beat Repeater

by Aurélien Leblond

>>> Just one question: what host would you recommend to use these? >> >> I personally really like Ingen! > > I would be very intersted in trying Ingen too but it does not work under > Ubuntu (the package is grotesqely broken) and I do not manage to build > all the plethora of packages from drobillard.... > > So,,, anything else? My repository for Ubuntu offers the latest SVN Ingen. I try to keep it up to date: https://launchpad.net/~blablack/+archive/music-prod Aurélien

12 years, 8 months

A netbook which is good for Linux Audio

by Louigi Verona

Hey guys! Every once in a while this question is asked on the list. This time it is me. I want to buy a netbook, for it to be easy to carry around and have long battery life. My wife has a Samsung X120, which is great. She runs Photoshop on it quite fine. But it is out of stock almost everywhere. I was wondering if anyone of you can advice a netbook that will work well with Linux (I use Ubuntu) and yet have enough performance to work with Linux Audio. -- Louigi Verona http://www.louigiverona.ru/

12 years, 8 months

Mixer4 discussion

by grekimj＠acousticrefuge.com

linux-audio-user(a)lists.linuxaudio.orgBODY { font-family:Arial, Helvetica, sans-serif;font-size:12px; Dear Linux usersDear Linux audio users, Here's a thread to discuss the motivation behind writing the Mixer4 software, my background, or features and limitations of the program. Thanks, Grekim

12 years, 8 months

Hydrogen Midi Output

by Louigi Verona

Hey guys! Trying to use Hydrogen for Midi Output. It does not work. 1. At first nothing was playing, although I saw a synth plugin receive midi. I then found this topic: http://hydrogen-music.org/hcms/node/1788 2. I then loaded the sample just so that Hydrogen would not set midi note to 0. Now I do get some notes, but only occasionally. Looks like some notes are output with duration 0 and some are not, with no apparent reason. Am I doing smth wrong here? -- Louigi Verona http://www.louigiverona.ru/

12 years, 8 months

midi file editing

by Rustom Mody

The attached file is a Bach fugue midi I found somewhere on the net. When I import it into nted it shows alright (ignoring sharp flat mixups) When I import it into musescore the entire bass is replicated into the treble clef. Asking on the musescore lists I get that the problem is with the midi file http://musescore.org/en/node/15501 I am recommended to use sequencing software to cleanup before importing. What such software should I try to use? [I am asking this after wrestling with rosegarden for an hour or so and getting no sound]

12 years, 8 months

Popping sound at the start of every note on Bristol synths.

by Rafael Vega

Hello. I've been trying Bristol as a replacement to another jack synth that I use. Mainly because it doesn't have MIDI control messages support and Bristol does. However, I've found that there is a popping sound at the start of every note. This is more apparent in some models/presets than others. I'm pretty sure my jack configuration is fine (has been working fine with other synths, ardour, puredata, qtractor, etc.) and I've also tried ALSA and two different sound cards (laptop internal and firewire). I also tried outputting Bristol straight to system output, passing through Ardour, different frame rates and buffer sizes (big ones) and it's always the same... Here is a recording of what it sounds like: http://public.elsoftwarehamuerto.org/Bristol.flacIs this a known issue with Bristol? can someone advice how to get rid of it? Cheers! RV

12 years, 8 months

Re: [LAU] AMS LV2 plugins: Version 0.0.7 - Include a Beat Repeater

by Aurélien Leblond

> Just one question: what host would you recommend to use these? I personally really like Ingen! Aurélien

12 years, 8 months

AMS LV2 plugins: Version 0.0.7 - Include a Beat Repeater

by Aurélien Leblond

Hello everyone, Today I released the version 0.0.7 of the ams.lv2 plugins. What was done in this version: * The License file is updated * Ported from AMS: - Absolute - Inv * A new LFO based on the AMS one, but can be synced with Jack * A beat repeater: ~ ported from Tranches (http://hitmuri.net/tardigrade/index.php/En/News) ~ Synced with Jack * URI modified to http://avwlv2.sourceforge.net The beat repeater code is a bit raw, it works but it uses a lot of CPU cycles - more than I would like! As usual, comments, feedback and testing are more than welcome! My next step is to use the CV ports from LV2. Enjoy! Aurélien

12 years, 8 months

freewheelin on arch

by Atte André Jensen

Hi I'm trying to build freewheelin on arch, but fails like this (tried both the src download, and the two version sín aur): g++ -g -O2 -g -O2 -I. -g -Wall -Wno-non-virtual-dtor -D_REENTRANT -DPTHREADS -DNDEBUG -DVERSION=\"0.6\" -DFWEELIN_DATADIR=\"/usr/local/share/fweelin\" -DADDON_DIR=\"/usr/local/lib/jack\" -I/usr/include/freetype2 -I/usr/include/libxml2 -funroll-loops -finline-functions -fomit-frame-pointer -ffast-math -fexpensive-optimizations -fstrict-aliasing -falign-loops=2 -falign-jumps=2 -falign-functions=2 -O9 -g -O2 -o fweelin elastin.o fweelin.o fweelin_datatypes.o fweelin_event.o fweelin_config.o fweelin_browser.o fweelin_audioio.o fweelin_sdlio.o fweelin_midiio.o fweelin_videoio.o fweelin_core.o fweelin_mem.o fweelin_block.o fweelin_core_dsp.o fweelin_fluidsynth.o -lSM -lICE -L/usr/X11R6/lib -lX11 -lsndfile -lvorbisenc -lvorbisfile -lvorbis -ljack -lasound -lpthread -lm -lxml2 -lSDL_ttf -lSDL_gfx -lfreetype -ldl -lgnutls-openssl -lfluidsynth /usr/bin/ld: fweelin_block.o: undefined reference to symbol 'ogg_stream_flush' /usr/bin/ld: note: 'ogg_stream_flush' is defined in DSO /usr/lib/libogg.so.0 so try adding it to the linker command line /usr/lib/libogg.so.0: could not read symbols: Invalid operation collect2: ld returned 1 exit status make[1]: *** [fweelin] Error 1 make[1]: Leaving directory `/home/atte/software/freewheelin/fweelin-0.6/src' make: *** [all-recursive] Error 1 Seems I should "try adding [libogg.so.0] to the linker command line", but how exactly do I do that? NB: I'm aware that freewheelin is abandonware, but I'm more familiar with it and it seems more to-the-point than sooperlooper... -- Atte http://atte.dk http://modlys.dk

12 years, 8 months

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Linux-audio-user March 2012