Linux-audio-user July 2007

linux-audio-user@lists.linuxaudio.org

131 participants
105 discussions

snapper people do not have alsa after all?

by 2g

am on iBookG4 have Slackintoh,DebianPPC(stable&unstable),UbuntuPPC7.04 on it only Ubuntu made sound without doing manual fix at this moment all of the are using its distro's default kernel(non-low-latency) jack related things never worked if i had -dalsa in the jackd line and at last i found out that jackd -R -doss -r48000 -p1024 -n2 would (kind of) do the job could play chuck things on Debian&Ubuntu but now wondering what this "only -doss works" aspect mean and result into maybe what we have is oss that is doing fake alsa? then we cannot have several apps making sounds at the same time via jack? on Slackintosh had to put this in /etc/modprobe.d/alsa: alias char-major-116 snd alias char-major-14 soundcore alias snd-card-0 snd-powermac 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 alias /dev/mixer snd-mixer-oss alias /dev/dsp snd-pcm-oss alias /dev/midi snd-seq-oss options snd cards_limit=1 then most of the things work like as if alsa is there but the alsa version of chuck claims about sound device and the oss version of chuck gives an segmentation error jack version of chuck seemed to do okay with -doss but with no sound on Debian had to put "snd-powermac" in /etc/modules and choose "alsa" as default sound device in /ect/libao.conf with already having this in /etc/modprobe.d/alsa-base: -----8<--- # Cause optional modules to be loaded above generic modules -----8<--- install snd-portman2x4 /sbin/modprobe --ignore-install snd-portman2x4 $CMDLINE_OPTS && /lib/alsa/mod probe-post-install snd-portman2x4 install snd-powermac /sbin/modprobe --ignore-install snd-powermac $CMDLINE_OPTS && /lib/alsa/modprob e-post-install snd-powermac install snd-pxa2xx-ac97 /sbin/modprobe --ignore-install snd-pxa2xx-ac97 $CMDLINE_OPTS && /lib/alsa/m -----8<----- on Ubuntu didn't even have to do alsaconf while doing alsaconf didn't work properly on other distros -- 2g http://micro.ispretty.com

18 years, 2 months

25 key midi keyboards

by José Pedro Ferreira

Hello. I'm thinking about buying a 25 key keyboard to do some composition under linux. Is there any list of recommended devices, known to work OK? I've thought about the M-Audio Oxygen 8 v2 or the M-Audio Axiom 25. Anyone uses them? Any other good suggestions? Cheers, Pedro

18 years, 2 months

Re: [LAU] programs (eg. rosegarden) don't see my usb midi device

by Alessandro Preziosi

I've tried to load snd-seq-midi and then use aseqdump -l but it still doesn't appear! I'd like to understand what's the problem... Maybe everything would work after a complete reinstall... Waiting for other hints... Ale Alessandro Preziosi <lsnpreziosi(a)yahoo.com> wrote: >Does it appear in the output of "aseqdump -l"? I answer late, anyway this is the output of aseqdump -l: Port Client name Port name 0:0 System Timer 0:1 System Announce 14:0 Midi Through Midi Through Port-0 It doesn't appear :( Clemens Ladisch <cladisch(a)fastmail.net> wrote: Alessandro Preziosi wrote: > Actually snd-seq-midi wasn't loaded. > Anyway even after loading it with modprobe I did not see changes (tried > to load before and after inserting the um-1s) Does it appear in the output of "aseqdump -l"? Regards, Clemens _______________________________________________ Linux-audio-user mailing list Linux-audio-user(a)lists.linuxaudio.org http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user Thanks for the help. Actually snd-seq-midi wasn't loaded. Anyway even after loading it with modprobe I did not see changes (tried to load before and after inserting the um-1s) This is my lsmod: (without snd-seq-midi) Module Size Used by snd_rtctimer 4640 1 ieee80211_crypt_wep 6272 1 snd_seq_dummy 4868 0 snd_seq_oss 30464 0 snd_seq_midi_event 8064 1 snd_seq_oss snd_seq 47184 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_seq_device 8716 3 snd_seq_dummy,snd_seq_oss,snd_seq nvidia 6836340 22 snd_usb_audio 72928 0 snd_usb_lib 16128 1 snd_usb_audio sdhci 18572 0 mmc_core 26628 1 sdhci pcmcia 36524 0 ipw3945 106272 1 e100 33672 0 ieee80211 31944 1 ipw3945 ieee80211_crypt 6912 2 ieee80211_crypt_wep,ieee80211 i2c_i801 8588 0 i2c_core 21760 2 nvidia,i2c_i801 iTCO_wdt 11684 0 iTCO_vendor_support 4868 1 iTCO_wdt intel_agp 23836 1 serio_raw 7684 0 snd_hda_intel 20632 1 snd_hda_codec 153344 1 snd_hda_intel tifm_7xx1 8576 0 tifm_core 11268 1 tifm_7xx1 yenta_socket 25996 1 rsrc_nonstatic 13184 1 yenta_socket pcspkr 4096 0 joydev 10176 0 tg3 100484 0 e1000 112704 0 unionfs 70340 0 sl811_hcd 12672 0 ohci_hcd 19844 0 uhci_hcd 22928 0 ehci_hcd 29964 0 PS: I recently upgraded udev to version 108 (using gentoo) can this be linked to my problem (it didn't work before, but maybe with that module...)? Bye,thanks Clemens Ladisch <cladisch(a)fastmail.net> wrote: Alessandro Preziosi wrote: > I have an edirol um-1s to connect my keybord to my pc. > > cat /proc/asound/cards > 1 [UM1 ]: USB-Audio - UM-1 > EDIROL UM-1 at usb-0000:00:1d.2-1, full speed > > If I cat /dev/midi1 i get (in real time) the data stream of what I play > on the keyboard. > Anyway rosegarden dosn't list the device among MIDI input devices, so I > cannot record what I play on my keyboard. Some old kernels do not automatically load the snd-seq-midi module; make sure that it is loaded. HTH Clemens _______________________________________________ Linux-audio-user mailing list Linux-audio-user(a)lists.linuxaudio.org http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user --------------------------------- Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. --------------------------------- Shape Yahoo! in your own image. Join our Network Research Panel today!

18 years, 2 months

new glitchy theme half-made in Linux :)

by perlanegra proyect

hey!! Hallo everybody again, it's a long time without comment here :) these last months I haven't been working under Linux because I've had some problems with my DeMuDi, but, finally, I've changed to UbuntuStudio, and now I'm really happy with it... these last days I've been workin' too on a strange song made with some strange loops produced on Linux, but played with commercials; after be played, I've "mastered" the track with Linux again, so, I think this is a good site to post a link to it :) If u are interested onto download a glitchy / trip-hoppy theme, u can go here: http://perlssdj.blogspot.com/2007/07/platinum-no.html I hope u like it... and thanx a lot by reading this post, c'ya on the net... PD: UbuntuStudio is amazing !!! :D Kinhos! (aka PerlssDj) -- ... subliminal stuff at http://perlssdj.blogspot.com...

18 years, 2 months

quicktoots help request

by Patrick Shirkey

Hi, I have some time during the next few weeks to do some updates to the quicktoots. I would love to get some new contributions from people round here. - I also have a half finished doc explaining what Johanne Ringhelms is doing when he DJ's. If anyone can provide screenshots of the apps he is using it would be very helpful. I have put the doc here: http://djcj.org/quicktoots/DJ-Freewheeling-Hydrogen.odt - I am considering running another "Most Loaded Desktop" competition. Are people interested in seeing how far we have come in a year? - Let me know if you have any suggestion for the site. I have made some updates today with various new pieces of info that have been emerging recently and feedback from a few people over the past few weeks. As always the aim of lau.linuxaudio.org is to provide as much relevant info in the top section of the age as possible so if anyone has an idea for layout that is more user freindly please give me a screenshot or css that I can check. In fact that gives me an idea. If people want to contribute I can code an automated backend for a skin interface which can be randomly selected each week or after 6 hours or something like that. Then if anyone wants to make a new theme it can just be dropped in. Similar to the zen-garden concept. Cheers. -- Patrick Shirkey - Boost Hardware Ltd. Http://www.boosthardware.com Http://lau.linuxaudio.org - The Linux Audio Users guide ======================================== "Anything your mind can see you can manifest physically, then it will become reality" - Macka B

18 years, 2 months

Re: [LAU] (no subject)

by Daniel Garmendia

Matlab also has the ability to import wav files. See an old webpage of mine for a how-to: http://www.prism.gatech.edu/~gtg601q/didj/didj.html -DanielG

18 years, 2 months

Tests of Linux DAWs

by David Baron

How I work: 1. Produce highly articulated MIDIs, premixed. 2. Import into DAW. 3. Record voice and any live instruments. 4. Remix all and mix analog output to stereo audio or: 4. Digitize all the MIDI tracks to audio tracks 5. Mix all to stereo audio. Windows Tools: 1. Soundtrek Jammer Pro -- arranging aid. Works mostly with Wine. No native GPL equivalent. 2. Ntonyx Style Enhancer -- enhances MIDI, can produce phenonemal or medicore results. Works somewhat in Wine. No native GPL equivalent. 3. Cakewalk Home Studio -- (Sonar's little sister, much more bang for the buck) works 100% and recording audio over MIDI is perfectly on time (others failed here). Newer versions require newer windows. Does not work with Wine. 4. Cakewalk Express -- their el cheapo, 2 tracks audio only but last of their programs to work with Wine. Good for first alternative. Trying Linux Tools: 1. Rosegarden, probably most well developed. 2. Muse (unfortunately, 1.0Pre1 segfaults). More oriented towards softsynth rendering. 3. LMMS. No so new any more, but MIDI output still does not work. Has own softsynth. 4. Qtractor. New boy on block. Test 1: Import of MIDI outputs of Jammer/Style Enhancer 1. Rosegarden imports it 100% Must select option to preserve initial pan, etc, on playback. All the controller (there are a lot of them) are there. Has event lists and controller "rulers" in the piano rolls to show them. They do not show on track graphics. 2. Qtractor seems to import just fine. Have not found equivalent option for initial panning but these are not critical since things are remixed either way. Cannot confirm within the program as of yet if all those controllers came in. Had crash but this is still under initial development. 3. Muse. Not currently working. Have tried earlier version which seemed to work but this program is more oriented to soft synths. 4. LMMS. Imports the file but then tries to route through its internal synth. CPU power and be the problem doing this. Such things did work is some cases in older Muse. 5. Traverso -- audio only 6. Ardour -- audio only Stay tuned for audio recording tests in Rosegarden and Qtractor.

18 years, 2 months

Arecord clicks

by Chris McCormick

Hi LAU, On my old crappy laptop I am getting a weird clicking when I use arecord, only in the right hand channel. If I am recording silence, there is no clicking, but if I turn something up in the right channel the clicking appears to match the volume of the thing I turn up. I am thinking this is maybe a bufferring problem, but I can't decipher how to use the buffer command line parameters. Should I be making buffers longer, or shorter? What are sensible values? What is the "avail-min" option (I read the man page, but this option still makes no sense to me) and will it help me? At the moment I'm using "arecord -f cd filename.wav" Sorry to be a n00b, but I really need to record this live set to my laptop. Best, Chris. ------------------- http://mccormick.cx

18 years, 2 months

af-ping

by James Cameron

For the radio range testing on the One Laptop Per Child project, I've added audio to Lars Strand's Python ping program. Now it makes a sound on a twelve-tone scale where the pitch is related to the time it takes for an ICMP Echo Request packet (ping) to return. By default, the pings are at about 20 times per second, set by the length of the sound samples. Such rapid feedback makes it easier to learn where wireless coverage is good, or bad. It can also be used for regular reporting of the health of an internet connection, using the --noflood option, but the output may be irregular because the PCM device is not being fed at the speed it desires. af-ping script is at: http://quozl.linux.org.au/darcs/olpc-radio-testing/bin/af-ping af-table-create uses sox to create the sound files in advance: http://quozl.linux.org.au/darcs/olpc-radio-testing/bin/af-table-create af-ping expects the files to be in /usr/share/olpc-radio-testing/sounds/ but this is easy to change in the script. -- James Cameron mailto:quozl@us.netrek.org http://quozl.netrek.org/

18 years, 2 months

(no subject)

by Kevin Cosgrove

Hi, Is there a program which will convert a sound file into a text (.txt) or comma separated value (.csv) file? I'm thinking that would be a good route to go in order to import the data from a sound file into a math manipulation program, e.g. octave, maxima, Matlab, Mathcad, Gnumeric, etc. If not, this would seem to be a good enhancement for SoX, or Audacity, or any sound file editor. Thanks.... -- Kevin

18 years, 2 months

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Linux-audio-user July 2007