Linux-audio-user January 2004

linux-audio-user@lists.linuxaudio.org

148 participants
168 discussions

[linux-audio-user] no sound in zynaddsubfx with jackd

by Olivier

Sorry for a problem that is probably just down to my ignorance. I am running mdk 9.2 with an audigy sound card using the alsa driver emu10k1. jackd -d alsa -d hw starts without error message. it says : jackd 0.93.6 Copyright 2001-2003 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details loading driver .. apparent rate = 44100 creating alsa driver ... hw|hw|1024|2|44100|0|0|nomon|swmeter|rt|32bit configuring for 44100Hz, period = 1024 frames, buffer = 2 periods Couldn't open hw for 32bit samples trying 24bit instead Couldn't open hw for 24bit samples trying 16bit instead Couldn't open hw for 32bit samples trying 24bit instead Couldn't open hw for 24bit samples trying 16bit instead starting zyn doesn't yield any error message. When using the virtual keyboard, the meters at the bottom suggest some sound is being generated but I can't hear it. I've seen references to jack-connect but I don't know what it is. My sound set-up works fine otherwise (xmms artsd (disabled for the moment) all use alsa output device) A rtfm pointer would be just fine. Olivier

21 years, 3 months

[linux-audio-user] midi troubles

by C. Villard

Bonjour, Before starting, I want to say that I have already spent a lot of time trying to make Brahms, Rosegarden, Solfege or Jazz+ working, and spent a lot of my internet time too (ohh just some few hours left on my provider account !). So, I'm looking for a good answer, but perhaps it's not possible ? I've read a post on a french list of a guy who's saying that he uses linux since the beginning and that, after bigs probs sometimes, everything go fine except...midi that never seems to work !!! It seems that I'm taking this way and it's not funny Well... my computer is a PIV with a P4S8X-X Asus motherboard ; this motherboard includes a AD1980 chip for sound, and there's also a midi/game port on th motherboard ; I've bought a cable to get this port outside the box and have plug on it (with a midi cable) my Alesis qs8 keyboard. For linux, it's an mdk 9.2 download edition. Alsa is running (message at boot) and the driver choosen for the sound chip by the sytem is the intel8x0 one. Last thing, I can hear sound without difficulty : when X runs afeter boot, I hear the little jingle witch comes with. ---------------------------------------------- Problems : - first, it seems that midi is not existing for linux. For example, when I launch K mid, in the part "configuration" midi , it's noticed "alsa device" but, when playing a mid file, no sound goes out from my qs8. When I try to launch Artscontrol, in midi part, there's nothing for input or output. -I've succeded to install rosegarden 4 with rpm packages ; it has been very difficult because when I was trying to install rose. It tells me "no librosegarden" and when trying installing "libr." answer was "no ....roseg." !!!!! So someone tells me "urpmi rosg. libros." : it worked !!! But rosegarden don't work ; when trying to import a midi file, it doesn't work (no sound) and begin to become very instable (window freezing, no response ...) ; when I try to record I get the mess "no audio subsystem installed" well...... - Jazz...never installed ; when I try to, a lib is always missing, same for Solfege, even if the lib is already installed (it's the case for a gtkhtml one for example) -Brahms says that there's no artsmidi.h even if I find it in /usr/include/arts... So I'm very disappointed by these things and I've tried everything I could without succes. I'm looking for a simple way to install and correctly run these progs ; if somebody........ cordialement,

21 years, 3 months

RE: [linux-audio-user] The trouble with disks

by eviltwin69＠cableone.net

John, First, is your data disk separate from your system disk? If not, this could be part of your problem. Second, what FS are you using? Ext3 is a bad choice since it puts the journal in a different location from the file. I would recommend using Reiserfs for your data partition. XFS might even be better but I haven't seen any tests on it yet. Ext2 is better than ext3 but still not as good as Reiserfs. Another thing, turn off syslogd, crond, etc before recording. Jan -----Original Message----- From: "linux-audio-user-bounces(a)music.columbia.edu" <linux-audio-user-bounces(a)music.columbia.edu> on behalf of "John Anderson" <ardour(a)semiosix.com> Sent: 18 Dec 2003 13:21:25 +0200 To: "linux-audio-user(a)music.columbia.edu" <linux-audio-user(a)music.columbia.edu> Subject: Re: [linux-audio-user] The trouble with disks On Thu, 2003-12-18 at 13:09, Robert Jonsson wrote: > Did you put jacks tempfiles on a tmpfs partition ? > I regularily change /tmp to a tmpfs partition in /etc/fstab these days. > > none /tmp tmpfs default 0 0 > > or something like that... I have mine at /mnt/ramfs, with jack thusly configured. I read somewhere that ramfs is purely memory based, whereas tmpfs can use disk as backup if it needs to expand. bye John

21 years, 3 months

Re: [linux-audio-user] midi troubles

by M00ike＠aol.com

I have the same sound chip as yourself. I can't seem to get jack to start. I have not goteen as far as yourself but I will be there shortly configuring midi. Can you please send me your start command for jack. this is what I'm using and I'm getting xrum values od 6.0 msec jackd -d alsa -d hw:0 -r 44100 -H -p64 Good luck MikeD

21 years, 3 months

[linux-audio-user] NoteEdit 2.3.4 note entry (beam) question

by Mikhail Ramendik

Hello, I have installed NoteEdit 2.3.4. It is greatly improved since my last try some mothns ago; thanks to the developers for the brace support! However, I could not figure out how to use the beam tool in a reasonably fast way. For example, if I enter four 1/16 notes in a row and want to use a beam, I found I can enter them, switch to modification mode, select them, then use the beam tool. Is there a shorter way? (In fact, I would like to try using NoteEdit for note entry anspecifically for subsequent printing via MusixTex or something - to replace Finale in this category. I know of no better open source software to do this...) Thanks in advance for any answers! Sincerely yours, Mikhail Ramendik

21 years, 3 months

[linux-audio-user] Session Exchange announcement

by Taybin Rutkin

Session Exchange 0.0.1 is available at: http://www.piratesvsninjas.com/software/session_exchange.py . It lets people easily manage their ardour sessions, specifically, with sharing snapshots across the internet for collaboration. It requires python2.2, pygtk2, and the latest version of twisted-matrix, available at http://www.twisted-matrix.com . It uses a three pane model. The first pane is for the session, the second for the collaborator, and the third for the snapshot. It is fundamentally done, since it exchanges the files correctly. The user interface needs touching up, and it needs to be smarter about which files it transfers. Overall though, I'm feeling pretty good about it. Stay tuned for documentation. Patches and comments welcome. Taybin

21 years, 3 months

[linux-audio-user] Recording from SPDIF with Audiophile

by davidrclark＠earthlink.net

<lau(a)hippie-online.de> HippiE wrote: > Is this also true if you do not use the mixer? What a nonsense! :-( If you use arecord in any way, this reduction to 8.3% of the level occurs if you use ICE1712 for the envy24-based chips. Yes, it is very "nonsensical" for a 2-channel card, but the envy24 chips were developed for multi-channel (such as 12) inputs, so to be safe, they reduce the volume to 8.3% for each input. There should be a way to modify the ttable settings --- and I'm sure there is --- but I don't know where or how to do this myself. This occurs with or without envy24control, and with or without amixer settings. All mixer settings of 100% give you 8.3% AS RECORDED, even if your input level is peaked (as loud as possible) with ICE1712 default routings. So you're losing 4 bits (20 bit recording from a 24-bit card!). As I mentioned previously, qarecord works fine. 100% is 100%. I'm not sure about ecasound. I'll have to check that out. I am also interested in command-line recording so that I can batch-process audio. I don't want to have to point-click for each recording. (But qarecord is pretty nice! I wish I could set it to "mono.")

21 years, 3 months

[linux-audio-user] any takers? potential linux-friendly vendor

by WR

I emailed sounddevices.com asking if they had any plans to port their osx driver for the USBPre over to linux, and got this back...btw, they make some pretty cool stuff, the usbpre is working very well for me...it would be very nice to have under linux... =:) http://usbpre.com/index.html http://www.sounddevices.com/products/index.html --------- Will, We do not have any plan for Linux and the USBPre. If you can point us to a developer, we would be happy to pursue it. Thank you for your interest. Jon Tatooles jon_tatooles(a)sounddevices.com

21 years, 3 months

[linux-audio-user] JACK low latency performance

by Vincent Touquet

Noticed some threads of low latency on Linux kernel 2.4.x (patched) vs 2.6. I was wondering how the Darwin kernel compared to the Linux kernel ? Any people running jack on OS X ? At least the jackit.sf.net site states that it runs on OS X, but I have yet to hear on how it actually performs on OS X. I would hope that the OS X kernel was at least a bit more tuned to low latency multimedia work than a vanilla 2.4 or 2.6 ? regards Vincent

21 years, 3 months

[linux-audio-user] Reliable archival of recordings

by Ross Vandegrift

Hey everyone, I'm currently looking into a computer upgrade, including new disks. As everyone here knows, more space is well worth it. Unfortunately, money isn't unlimited ::-(. Previously, I've always kept my disks in mirrored pairs to ensure the death of one disk didn't cost me any data. But looking around, I'm not sure if I wanna spring the $200 for a pair of 120G+ drives. But we all know I'll regret getting something smaller. Does anyone here have some other clever solutions to getting reliable archives of recordings? My ardour sessions, even for demos quickly outpace what will reasonable fit on to CDs. DVD burners are still way out of my price range. I'm plum out of ideas. Thanks for any tips! -- Ross Vandegrift ross(a)willow.seitz.com A Pope has a Water Cannon. It is a Water Cannon. He fires Holy-Water from it. It is a Holy-Water Cannon. He Blesses it. It is a Holy Holy-Water Cannon. He Blesses the Hell out of it. It is a Wholly Holy Holy-Water Cannon. He has it pierced. It is a Holey Wholly Holy Holy-Water Cannon. He makes it official. It is a Canon Holey Wholly Holy Holy-Water Cannon. Batman and Robin arrive. He shoots them.

21 years, 3 months

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Linux-audio-user January 2004