Linux-audio-user

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20636 discussions

[linux-audio-user] Re: [linux-audio-dev] 2nd LAD conference - Call for papers

by Steve Harris

On Tue, Sep 16, 2003 at 10:10:54AM -0400, Paul Davis wrote: > >as announced earlier on this list, the 2nd LAD conference will take place > >April 29th - May 2nd 2004 at ZKM (Zentrum fuer Kunst und Medientechnologie, > >Center for Art and Media) Karlsruhe, Germany. > > I may be sticking my neck out on this, but I'd just like to note that > I plan to use this conference to do the first public demo of Ardour > with MIDI sequencing and editing support (unless it somehow happens > way earlier). It would be great to have as many other cool and > expanding projects as possible represented in talks about their > conception, implementation and integration into Linux audio as a > whole. In a similarly foolhardy manner I'm planning to do a presentation of JAMin 1.0. I wont have time to write an abstract for a few days though. Are any other JAMin developers planning to go? - Steve

21 years, 10 months

[linux-audio-user] jackEQ: dj eq and meter.

by Patrick Shirkey

http://jackeq.sf.net. (only cvs, gtk+-2.0). For those of you who are interested in DJ/CJ tools, tools for live performance, and LADSPA plugin guis, you may be interested in a new app we are creating based on the code from JAMin. It's called jackEQ. The core is a new plugin Steve Harris released recently called DJ EQ which is a three band EQ commonly found on dj mixing consoles. It's currently only available in the swh-snapshots directory. jackEQ is in its infancy but we now have 4 stereo (8 mono) i/o channels with eq, meters and independant gain control. All channels are routed to a master and monitor output or you can take them direct out too. I would like it to be able to do all these things eventually: 2 x cross faders (all channels and combinations) unlimited channels. jack port connection ala freq tweak style Beat counting support controlled via keyboard or other dj console. With the above I can now use my four channel (USB) card as a complete djing tool. You could also use a two channel card in a similar (mono) way. The monitor is assignable to seperate output channels than the master outs for simple previewing of tracks. All the channels are routed through it with a simple button press if needed. The eq's are adjusted before the signal arrives at the monitor. This is how I intend to use it: mon ch1 ch2 ch3 ch4 echo |-------|------------|---|---->internal---->ardour out1&2 out3&4 external--------->sound system ------------ I have been wanting this functionality for the past 4 years. Now I can start mixing demos/albums from the comfort of home. Big ups to Steve for providing the bulk of the knowledge base, the JAMin crew for making the gui happen and the LADs for keeping it real with da open source flavah. If you don't know this you don't know JACK. -- Patrick Shirkey - Boost Hardware Ltd. Http://www.boosthardware.com Http://www.djcj.org - The Linux Audio Users guide ======================================== Being on stage with the band in front of crowds shouting, "Get off! No! We want normal music!", I think that was more like acting than anything I've ever done. Goldie, 8 Nov, 2002 The Scotsman

21 years, 10 months

[linux-audio-user] 2nd LAD conference - Call for papers

by Matthias Nagorni

Dear all, as announced earlier on this list, the 2nd LAD conference will take place April 29th - May 2nd 2004 at ZKM (Zentrum fuer Kunst und Medientechnologie, Center for Art and Media) Karlsruhe, Germany. http://www.linuxdj.com/audio/lad/eventszkm2003.php3 lists presentation material and reports of the 1st conference. See http://www.linuxdj.com/audio/lad/eventszkm2004.php3 for more information on the 2nd conference. Many participants of the 1st conference have already confirmed their participation for the 2nd one. Frank and I would now like to collect abstracts for planned talks so that we can set up a preliminary program. We would like to have this available as soon as possible so that we can advertise the event in computer music journals (such as german Keyboards ;-) and linux journals (Dave, Daniel, are you listening ?). If you plan to give a talk on Linux audio development or do a presentation of music you have done with Linux software, please send an abstract to both me and Frank Neumann (Frank.Neumann_AT_st_DOT_com). Please estimate the time you need for your talk so that we can set up a preliminary schedule. We have now three different locations for presentations: The lecture hall we used for the 1st conference, some seminar rooms and the Kubus, which is considerable larger than the lecture hall and has a built-in studio. The seminar rooms can be used for LAD internal presentations and discussion. The Kubus is ideal for presentations of high public interest, especially practical demonstrations of audio software. The lecture hall will be used for technical talks on software development. In short terms: Kubus is LAU, Lecture hall is LAD. More rooms imply the option of scheduling parallel sessions. We can only decide on this after we know roughly how many presentations are to be expected. This is another reason why early registration is helpful. Given the excellent conditions at ZKM and the many improvements of Linux audio software, the second conference promises to be even more successful than its predecessor. Matthias -- Dr. Matthias Nagorni SuSE Linux AG Deutschherrnstr. 15-19 phone: +49 911 74053375 D - 90429 Nuernberg fax : +49 911 74053483

21 years, 10 months

[linux-audio-user] Problems with Redhat 9(Shrike)

by Stewart Felstead

I’m attempting use the Shrike alsa rpm’s from fresh from to install alsa and it’s libs and utils. My pc is and athlon xp2000+ with an onboard via82c686 and am having problems getting alsamixer to launch. I keep getting the error no such device. My .asoundrc looks like this pcm.via82xx { type hw card 0 } ctl.via82xx { type hw card 0 } my modules.conf has this in it # OSS/Free portion - card #1 alias sound-slot-0 snd-card-0 alias sound-service-0-0 snd-mixer-oss alias sound-service-0-1 snd-seq-oss alias sound-service-0-3 snd-pcm-oss alias sound-service-0-8 snd-seq-oss alias sound-service-0-12 snd-pcm-oss # OSS/Free portion - card #2 (cmipci) alias sound-slot-1 snd-card-1 alias sound-service-1-0 snd-mixer-oss alias sound-service-1-3 snd-pcm-oss alias sound-service-1-12 snd-pcm-oss I’m concerned that I need to disable the default Redhat sound stuff but have no as the system log shows errors trying to grab the port. But I have no idea how to do that. HELP!!!!!!!!!!! I’ve been struggling with this for weeks, and I’m getting pretty p$ssed off. Rgds Stew

21 years, 10 months

Re: [linux-audio-user] Linux synths

by Ken Locarnini

awesome dave, thanks! -----Original Message----- From: Dave Phillips <dlphilp(a)bright.net> Sent: Sep 15, 2003 10:13 AM To: linux-audio-user(a)music.columbia.edu Subject: Re: [linux-audio-user] Linux synths Ken Locarnini wrote: > I'd like some general comments on what would be peoples favorite > reactor type synth in Linux as of now. I'm primarily interested in > realtime, multi timbral midi controlled synths. Hi Ken: FWIW, my Linux Journal article on Linux software synths is now on-line: http://www.linuxjournal.com/article.php?sid=6320 It may help you get an idea of the state of things in May 2003... Best regards, == dp

21 years, 10 months

[linux-audio-user] [linux-audio-announce] linux-audio-announce

by Han-Wen Nienhuys

k.s.matheussen(a)notam02.no writes: > > (I'm crossposting this to linux-audio-user since there so few > reading laa, for some strange reason, and that people often seems to > be surprised this program exist, even though it has existed for nearly > a year.) I'm not surprised that noone reads laa.; Lots of people are crossposting their announcements to lau, and some even add lad to the list. If people would stop doing this, there would be incentive to read laa. -- Han-Wen Nienhuys | hanwen(a)cs.uu.nl | http://www.xs4all.nl/~hanwen

21 years, 10 months

[linux-audio-user] Tracking down overruns

by Benji Flaming

Greetings all! I am attempting to initiate a long unattended 2-channel audio recording - perhaps lasting for an hour or two - but I am prevented from doing so by periodic overruns which occur at regular intervals. This interval changes according to my system configuration. Currently, I consistently get an overrun about 20 minutes after I start recording. My system is an AMD Athlon XP 1700+ with 256mb DDR266 memory. Video card is an ATI Radeon 7500/64mb. Sound card is an M-Audio Audiophile 2496. I'm running Slackware 9.0. My kernel version is 2.6.test5. Prior to this kernel I was using 2.4.21 with low-latency and preemptible kernel patches - with exactly the same overrun issue. I'm using jackd version 0.79.2, Ardour/GTK 0.378.0, and libardour 0.686.0 (all built from CVS source a few weeks ago.) I'm starting jackd with the command: jackd -v -a -R -d alsa -d ice1712 -r 44100 -p 2048 I don't want to clog everyone's mailbox with an even bigger message, so I've posted a bit of additional info online. Results from running latancytest0.42-png: http://www.comevisit.com/NorthernSunrise/latency/3x256.html http://www.comevisit.com/NorthernSunrise/latency/test2/3x256.html My .config file from my most recent 2.6.test5 kernel build: http://www.comevisit.com/NorthernSunrise/latency/.config My jack, and ardour version numbers, and hdparm info for hda and hdb: http://www.comevisit.com/NorthernSunrise/latency/configuration I can see from the latency tests that *something* is causing spikes, particularly during disk write, but I'm not sure how to determine precisely what it is. Is there any way to obtain a snapshot of processor usage at the exact moment of an overrun? Any help or advice (or reminders about what info I've neglected to give) would be very much appreciated! |) |)enji Benjamin Flaming -------------------- "The trouble with computers, of course, is that they're very sophisticated idiots."

21 years, 10 months

[linux-audio-user] Compile shaketracker

by Gerrit Niestijl

Hi, A few months ago someone on this list managed to compile shaketracker with gcc-3.x. He offered to make a patch if anyone was interested. Is that offer still valid? I am on redhat 9 (planet), and i have no skills to get there myself. I also would like to try ttrk, but this one also fails to compile on my box. Any help would be greatly appreciated! -- Gerrit

21 years, 10 months

[linux-audio-user] RME hammerfall DSP Multiface: help needed

by Robert Epprecht

I'm having a hard time bringing my new RME pci interface and Multiface to run... and would appreciate some help ;-) I'm working on Debian/unstable, have compiled the kernel with lowlat and preempt, installed ALSA, inserted the hdsp modul, made a basic ~/.asoundrc, compiled hdsploader from alsa-tools and with the friendly help of Thomas Charbonnel also hdspmixer. hdsploader loads the firmware (well it does the *second* time I run it, which is a known problem, as Thomas told me). The error LED on the Multiface is off. Input (on analog input1) *does* show in hdspmixer (only in the *input* channel, nowhere else), but I can't get any sound. Hmm, here I have the first question: Do I have to run alsamixer or hdspmixer or both to unmute the channels? (I have tried all of this). I have tried to feed a signal to analog input 1 and get it out from analog output 1. I have also tried to set the internal routing with amixer, but don't know if I have done that right... Well, the doc says hdsp defaults to route inputx to outputx anyway. But I can't hear anything... I have tried 'cat some.wav > /dev/dsp' no sound, no errors. (where would the error message show up?) I do hear a high pitched hiss on line out, nothing else. Please tell me: What would be the most basic procedure that should produce sound output on the Multiface? What diagnostic information can I give you to find out why it is not running yet? Thanks a lot for any hints! Robert Epprecht

21 years, 10 months

[linux-audio-user] Message about Ardour(the last?)

by Alexander

Hi! Finaly I can run jackd and compile Adour. But I can't run Ardour. I can see the splash screen, but Ardour killing itself. So: # ardour Ardour/GTK 0.380.1 running with libardour 0.686.3 Loading UI configuration file /usr/local/ardour/ardour_ui.rc Loading system configuration file /usr/local/etc/ardour/ardour_system.rc Loading user configuration file /usr/local/etc/ardour/ardour.rc ardour: [WARNING]: MMC MIDI port "trident" not available: no MMC control possible 343: received signal 4 ardour is killing itself for a clean exit Killed I don't get Ardour using CVS because I can't connect the cvsroot. So, I get the file ardour_current-cvs.tar in the website of Ardour. What is MIDI port "trident"? I haven't hardware trident, any, in my computer. The TODO file say: "don't initiate MIDI binding if there is no MMC control". Is it my answer? But where I disable "MIDI binding"? I don't make any change in the files *.rc But after this error I remove any line about MMC or MIDI and I get the same error. Somebody can help me? Thanks! Alexander

21 years, 10 months

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Linux-audio-user