Linux-audio-user October 2005

linux-audio-user@lists.linuxaudio.org

174 participants
148 discussions

[linux-audio-user] synhronized play of single audio on multiple media clients

by Robert Rozman

Hi, I'm more or less linux sound newbie. I'm using few popular open source projects (Misterhouse, Plutohome), that all implement some kind of multiple audio clients using Xine, Alsaplayer, VLC and media is stored on server. Now this scheme works quite good, the problem arises when one would like to play single audio on multiple media clients in synhronized manner, so one would not hear any differences between separate clients. Now I wonder what option I have to implement such system.... I'd prefer to use VLC, Xine or Alsaplayer as clients if it's possible to somehow synhronize them at server. Also I'm interested if I have any options to synhronize audio playin at client side.... If you would implement such system, how would you do it? With what tools (I'd prefer open source solutions) ? Also I'kindly ask if you can point me to more info about this problem Thanks in advance for your help, regards, Rob.

18 years, 6 months

[linux-audio-user] Re: WhySynth DSSI softsynth

by Juhana Sadeharju

Hello. Any demo ogg/mp3 files? Could somebody play a preferably techno oriented MIDI example through all presets of WhySynth? The same for Zynaddsubfx etc. I'm looking for something similar to Access' Virus; check their demos for ideas. Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

18 years, 6 months

[linux-audio-user] Phase 28 Configuration

by conrad berhörster

Hello List, since a few days i own a Terratec phase 28. This is an multi IO card with 8 outs and 2 in. Now i want to configure this card. ALSA 1.09b has recognized the card chip as ICE1724. Is this the right chip ? - alsamixer only gives me 4 multitrack sliders. how can i obtain each channel through alsamixer. i have no idea. - On the other hand, i have read somewhere, that the ICE1724 can be configured with envy24control. but this gui app doesn't start, with the message "No ICE1712 cards found" Well, thats right. Do i need another flag for compiling this app. is it better, to configure it through .asound.rc Any ideas are welcome. sizu c~

18 years, 6 months

[linux-audio-user] kernel bug: how to report?

by Antonio

Hi to the list, I'm running the 2.6.14-rc4 kernel with realtime-preemption (rt1) patch on a debian testing/unstable. I was trying to create a simple sessione with lash, lash_synth and patchage but qjackctl died suddenly. In syslog I've found the "stack trace" of the kernel due to a bug, something that begins with: localhost kernel: BUG: Unable to handle kernel paging request at virtual address 00100100 and then continues for more or less 100 lines of additional informations. Looking in syslog I've found also another 2 o 3 _different_ bugs: they are all audio related. Are those syslog information useful for debugging? How and where should I report them? Now I will try If I can reproduce the bug with the vanilla 2.6.13 kernel and/or with the 2.6.14-rc3-rt2 that I've previously compiled. Best Regards, ~ Antonio

18 years, 6 months

[linux-audio-user] The standard FC4 kernel burps XRUNS

by thewade

Hello again, I have another question for you all: can the Ingo's realtime kernel fixes be implemented as a module? (I know that it sounds silly, but I had to ask) Here is my situation. I am running FC4 on an AMD64 (with a 32-bit os because PD's arrays dont work in 64-bit) and a hammerfall card. I am using the standard kernel because rpm.livna.org has an ATI kernel module that allows me to use my graphics card as it should be used. I used to use Ingo's realtime kernel patches, but I was gambling that speeding up drawing to the screen might save me as much time as the realtime patch. WRONG! I used to be able to run jackd with 128 frames per period and 2 periods per buffer (~5ms), but now for the same occasional xrun I need 512 frames per period (~20ms). Ugh. Can I have my cake and eat it to - have the standard kernel and install the patch as an rpm (ATI=good && sound=good)? Or do I have to build a new kernel using Ingo's patches, then build the ATI kernel module seprately as well? Is a realtime patched kernel even compatable with the ATI module I wonder. So many questions: can anyone help? Thank you for your continued support, -thewade

18 years, 6 months

[linux-audio-user] issues compiling xfst

by Cesare

I get winebuild complaining about '-debug' not being a valid option. (I'm not on my linux box now). I'm using latest wine (20050930) on Slackware 10.2. Should I try another wine version? Already googled, to no avail. This is the most underground software I've ever tried :-) . Yes, I know the licensing problems. c.

18 years, 6 months

[linux-audio-user] buzz tracker

by reubenf＠sonic.net

The only windows application I miss is buzz tracker (www.buzzmachines.com). I know it is possible to run it under wine, but I have had very little luck using that method (IME it is slow, and the sound has latency problems.) Instructions here: http://web.hibo.no/~mva/viewreview.php?id=706 Anyone had better experience using this method? I know there was a project under development (called fuzz tracker) that aimed to port the code to linux (actually, it would have been a rewrite, since the original developer lost his source when his hard drive crashed. DOH!) But this seems to have disappeared. Are there any buzz-like applications available for linux which are as flexible as buzz is? Cheers Reuben

18 years, 6 months

[linux-audio-user] Old tracks finaly recorded and mastered

by Thorsten Wilms

Hi! [Sorry for posting to lad before, tab-completion without checking back ...] Finaly got around to record a number of old tracks that I created using nothing but a GEM S3 keyboard in 1997/98 (well, and my brother's PC for selecting samples and putting them on a floppy for importing). Previoulsy they only existed on floppy and tape and one floppy is corrupted already ... Still in the process of loading them up to archive.org, but some are there by now: In order of my own rating, best at the top: http://www.archive.org/download/s3_07_the_darkness_surrounding_me/thorwil_s… http://www.archive.org/download/s3_06_multibeatmode/thorwil_s3_06_multibeat… http://www.archive.org/download/s3_05_leaving_it_all_behind/thorwil_s3_05_l… http://www.archive.org/download/s3_04_red_sun/thorwil_s3_04_red_sun.ogg http://www.archive.org/download/s3_02_rave_scales/thorwil_s3_02_rave_scales… http://www.archive.org/download/s3_03_blue_beat/thorwil_s3_03_blue_beat.ogg http://www.archive.org/download/s3_08_where_do_i_want_to_go_today/thorwil_s… The detail pages can be reached from here: http://www.archive.org/search.php?query=creator%3A%22Thorsten%20Wilms%22 I wouldn't mind people writing reviews there ;) All recorded using the focused Timemachine. Cutting and normalizing with the most enjoyable Sweep. Mastering with the amazing Jamin. Need to practice that some more :). I wasn't aware of how much details can be brought to light using compression. The only problem was having to convert the 32bit float WAVs to 16 bit for lame, as it doesn't recognize that format. I used sndfile-convert for that. Too bad it doesn't take a flag for the output format, but requires filenames for that. But thanks to the nice folks at #lad, it didn't take long to arrive at a bash oneliner for converting a whole directoy. --- Thorsten Wilms

18 years, 6 months

[linux-audio-user] Error building qsampler

by Christoph Eckert

Hi, I just tried to build qsampler 0.1.2. Unfortunately it failed, regardless if I try to use the Gentoo ebuild or the source from sourceforge. I tried to google for the error messages but I didn't get any results so far. I get the following error: src/qsamplerDevice.cpp: In static member function `static QStringList qsamplerDevice::getDrivers(lscp_client_t*, qsamplerDevice::qsamplerDeviceType)': src/qsamplerDevice.cpp:646: error: `::lscp_list_available_audio_drivers' undeclared (first use here) src/qsamplerDevice.cpp:649: error: `::lscp_list_available_midi_drivers' undeclared (first use here) make[1]: *** [qsamplerDevice.o] Anyone did see something similar? If so, any hint would be great. BTW: I'm using qt-3.3.3. Thanks & best regards, ce

18 years, 6 months

[linux-audio-user] [LAM] Music made with linux

by Kjetil S. Matheussen

Hi, this is an ancient track. Its improvised music with Geir Haugarvoll on drums and computer-keyboard and myself on bass-guitar and vocals. The special thing about this music is that it used one of the very first programs to support jack. The program manipulates the sound coming from the drums and the vocals, plus that it plays some samples in weird ways dependent on some drunk-random routines controled by the computer-keyboard, I think. I think its recorded in march 2002 or something, and back then jack was so unstable that I had a script going simultaniously to kill (SIGKILL) and start up both the jack server and my custom made jack-client software each 30 seconds. Jack would not survive anylonger anyway, so it was best to kill it in a controled fashion. http://www.notam02.no/~kjetism/mp3/sbs_3.ogg --

18 years, 6 months

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Linux-audio-user October 2005