Linux-audio-user

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20662 discussions

[linux-audio-user] jack/alsa connection state

by Florian Schmidt

Hi, i'm looking for two simple shell scripts, but since my scripting wizardry is [very] limited, i ask for help here. 1] this one uses jack_lsp and aconnect to find out the current connection state and writes it into a file somewhat like this: ---snip [jack] SuperCollider:out_1 alsa_pcm:playback_1 SuperCollider:out_1 alsa_pcm:playback_2 SuperCollider:out_1 bridge-1183:meter_1 . . . . [alsa] seq24:out0 SuperCollider:in0 . . . 2] The other one rebuilds the connection state from this file [first disconnecting everythignm, then going through above file] I know LASH is probably the way to go for this, but is it finished? is it usable? So i ask if anyone has already hacked up such a script[s] and/or has the wizardry to hack one up? Btw: does anyone know why seq24 doesn't show up in the aconnect -io -l output? flo

21 years, 2 months

[linux-audio-user] [Announcement] Pure-Data Convention Graz/Austria

by plessas＠mur.at

Dear List, sorry for possible cross-posting, but this might be of interest: First international Pure-Data - Convention Graz/Austria 2004 For the first time in the successful history of the multimedia programming language Pure-Data, a group of organisations and individuals are organizing a convention to allow PD developers, users and artists to meet and work for one week. The convention's activities include lectures, workshops, installations and performances, and allow the exchange of knowledge and discussion of current issues, completed with a huge artistic program. The lectures are being held by a total of 22 PD experts (amongst others): Frank Barknecht, Yves Degoyon, Guenther Geiger, Thomas Grill, Miller Puckette, Tom Schouten, IOhannes M. Zmölnig. Over 20 concerts and art installations are being held during the week. A series of theoretical discussions about media related topics covers the influence on artistic issues. We would like to invite you to join the convention, which is taking place from: September 27th until October 2nd 2004, in GRAZ/Austria. Please note that admission is completely free! Detailed schedule and further info: http://convention.puredata.info/ Feel free to forward this announcement. regards, Peter P. Plessas for the commitee of the PD-Convention Graz ----------------------------------------------------------------------- Cooperation Partners (amongst others): Institute of Electronic Music und Acoustics http://iem.at ESC/CompetenzCentrum http://esc.mur.at mur.at - Verein zur Förderung von Netzwerkkunst http:// mur.at Medienkunstlabor Graz http://kunstlabor.at Ges_FEMA-Gesellschaft zur Förderung von Elektronischer Musik und Akustik Institut für Musikwissenschaft http://www-gewi.kfunigraz.ac.at/muwi/ ------------------------------------------------- This mail sent through IMP: http://horde.org/imp/

21 years, 2 months

[linux-audio-user] [ANN] qjackctl 0.2.10 released!

by Rui Nuno Capela

Hi everybody, After the holiday season, and late for the 1st anniversary, here comes another dot release for QjackCtl, the Qt GUI for the JACK Audio Connection Kit: Qjackctl 0.2.10 is out, with some minor enhancements and fixes. >From the change log: - New pre-shutdown script setup option, allowing to specify a shell-script to be run before the JACK server daemon is shutted-down. This overrides any previous shutdown script setting, which should be now moved onto the existing post-shutdown script option, as to keep old procedural behaviour. - Avoid stopping JACK prematurely with QProcess::kill() (oneliner fix); stopping JACK will now take a little bit longer, but hopefully will take the time to cleanup properly (thanks to Kjetil Matheussen). - ALSA driver Duplex mode accepts alternate Input or Output device name. - Context menu reset option is now always enabled (yet another suggestion from Sampo Savolainen). - Main display background gets shinny effect; adjusted system tray background palette color mode. - Priority and setup control is now a spinbox ranging from 0..89 (as suggested by Florian Schmidt). Same for Periods/Buffer. - Patchbay connection lines are now drawn correctly when items are scrolled out of view. Additionally, the connection lines can now be optionally drawn as bezier spline curves (big thanks to Wilfried Huss). Just head to the homepage: http://qjackctl.sourceforge.net or, in case that's not up-to-date yet, to sourceforge's project page: http://sourceforge.net/projects/qjackctl Hope you enjoy. -- rncbc aka Rui Nuno Capela rncbc(a)rncbc.org

21 years, 2 months

Re: [linux-audio-user] [ANN] Aqualung, a new music player for GNU/Linux

by Matt Barber

-> For listening to classical music, I would use a 2-second gap without fading because a short pause between movements is desirable.<- Unless of course it's opera... even in Mahler symphonies they sometimes split the movements into several tracks. Matt

21 years, 2 months

[linux-audio-user] Re: Multiple Cards

by Andrew Burgess

>I've been reading about setting up multiple soundcards in >modules.conf/modprobe.conf, but most of the guides I've seen talk about >setting up two different cards -- what if you wanted to set up two >identical cards (like two delta 1010s, or two hdsp/multiface), will the >names of the cards (like snd-hdsp) be exactly the same, and will it thus >be difficult to set something like this up: >alias snd-card-0 snd-hdsp >alias sound-slot-0 snd-hdsp >alias snd-card-1 snd-hdsp >alias sound-slot-1 snd-hdsp >or will it number them somehow? I haven't tried it at all, I'm just >wondering for future applications how this would work. You can use 'options' and 'id=' your modeprobe.conf (2.6) or modules.conf (2.4) and do something like (from my own config file): options snd-usb-audio index=1 id=MayaEX7 vid=0x0c45 pid=0x17fd then /proc/asound/cards has: .. 1 [MayaEX7 ]: USB-Audio - USB Audio USB Audio at usb-0000:00:1d.0-1, full speed .. Not sure how you access the id with alsa apps, I use portaudio and it uses the id to select a soundcard.

21 years, 2 months

[linux-audio-user] Multiple Cards

by Matt Barber

Just a conceptual alsa question: I've been reading about setting up multiple soundcards in modules.conf/modprobe.conf, but most of the guides I've seen talk about setting up two different cards -- what if you wanted to set up two identical cards (like two delta 1010s, or two hdsp/multiface), will the names of the cards (like snd-hdsp) be exactly the same, and will it thus be difficult to set something like this up: alias snd-card-0 snd-hdsp alias sound-slot-0 snd-hdsp alias snd-card-1 snd-hdsp alias sound-slot-1 snd-hdsp or will it number them somehow? I haven't tried it at all, I'm just wondering for future applications how this would work. Thanks, Matt

21 years, 2 months

[linux-audio-user] Yoper OS [was 100 tracks and something or other]

by Russell Hanaghan

I have been poking around the Yoper distro's website and joined the forum there as well. www.yoper.com I installed this distro after Malcolm's recommendation to check it out...it is slick, 1 cd only and FAST! It is fairly new and born out of New Zealand it seems. It is an rpm based system utilizing APT for package retreival. It's install was relatively straight forward on 2 of my boxes. They are running a tweaked 2.6.8 kernel that has some of Con Kolivas' patches incorporated. I ran jack on my Dell Cpxj laptop and was able to set it at 512 x 2 with no Xruns as su (could never set below 1024 x 2 before) but I was not able to put it through it's paces with Ardour or anything else so that may have been a false positive for all I know. So far not many DAW type apps have been built. Audacity was the only one I found. I have started requesting that some of the folks there look at jack, Qjackctl, Ardour, JAMin and the LADSPA plugs (Steve's SWH, Toms TAP and CMT packages to start) I have also attempted to build some of these myself but ran into some problems... Anyway, it's early days yet but from what I have seen, I think this distro looks promising as a great DAW distro along with it's many other usefull features. Check them out and tell me what you think. R~

21 years, 2 months

[linux-audio-user] Advice for buying sound gear online

by Glenn McCord

Hi all. As a New Zealander, I'm not privilaged enough to get the prices on audio gear that the US citizens do. In fact an M-Audio Delta 1010LT (at the current exchange rate) is going to cost twice as much here than from the US. Ouch! Does anyone recommend a website for purchasing recording gear online. i.e had positive experiences, good price, service etc. I'm looking at getting a mixer and a Delta 1010LT however I noticed some sites such as http://www.zzounds.com/ don't ship internationally. Cheers, Glenn

21 years, 2 months

[linux-audio-user] a PC only for Piano with Keyboard Midi

by Tommy

hi all, I've a keyboard midi "Roland PC-300" that work perfectly with GNU/Linux (and Demudi 1.2.0rc3) Now I want to use an old pc only for piano, let me explain. 1) I connect the keyboard PC-300 into pc (off) 2) I turn on the pc 3) automatically I play with my keyboard with my preferred instrument "the Piano" (or a synth like qsynth for selecting the instrument from the bank with midi selection of keyboardmidi) 4) ctrl-alt-canc for turn off the pc (I know in /etc/inittab how to do this :) ) thanks for any ideas or tips Tommy ps. sorry for my bad english

21 years, 2 months

[linux-audio-user] Delta 66/new mobo question

by Dave Phillips

Greetings: eBay lists a number of these cards for sale, some with pretty good prices. However, I do have a couple questions before laying out the dinero: Is the Omni breakout box just as usable under Linux as the regular 4x4 box ? Is the S/PDIF fully supported under ALSA ? Is the MIDI I/O fully supported by ALSA ? I realize that the ALSA site answers these questions, but I want input from users. I'm also in the market for a new mobo, but I can't break the bank on it. I'm currently using an 800 MHz Duron CPU: what would be a suggested upgrade for a Delta 66-based studio, especially WRT the CPU ? Any and all suggestions will be vastly appreciated ! Best, dp

21 years, 2 months

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Linux-audio-user