Linux-audio-user

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20661 discussions

[linux-audio-user] Nasty MIDI bug (System Crash)

by Jos Laake

Hi y'all, I've found a really nasty MIDI bug, and I'm not sure who it belongs to, so I'm posting it here. Here's what I've got: I'm running - CCRMA Kernel (Version 2.4.26-1) - ALSA (Version 1.0.4-1) - JACK (Version 0.98.1) - Qjackctl (Version 0.2.8) The soundcard I'm invoking is an ESS Maestro-1 using the 'snd-es1968' ALSA driver. So, I finally found my midi cable, and I hooked it up between my Roland Digital Piano HP 5600 and the soundcard. Fired up JACK via 'qjackctl'. Everything working thus far. Fired up Hydrogen. Then I selected the MIDI tab in 'Qjackctl' and went to add a connection between Hydrogen and the MIDI input and... *BAM* My system froze, I mean completely froze up, no mouse, no keyboard, no ctl-alt-delete, no luck. I had to "hit the red button" to get it back. I did some other testing, and it seems it doesn't matter what I try to connect the input to. As soon as I connect it, the system freezes tighter than rusted lug nuts. The simplest test that will reproduce it is to start up 'qjackctl' and connect the ESS card's MIDI input to its MIDI output. As soon as I click on connect, it freezes. So... Heeeelp! Any ideas? Kinda sounds like an ALSA driver problem to me. (snd-es1968) My other card doesn't do MIDI, so I don't have a way to narrow it down any further. I'm really not much of a driver writer, so I'm tossing this one out here to see if anybody knows what's up with this thang? Eagerly awaiting any responses... Peace, ~Jos~

21 years, 4 months

Re: [linux-audio-user] Re: [Consortium] Re: [a-users] New Linux forum on Sound on Sound site

by davidrclark＠earthlink.net

Pete, You're not the only one who prefers forums to mailing lists. I agree with you on "say stuff and read stuff." I also don't care at all for the archive software that is used, for example, for this mailing list in comparison to forum software that I have used. It's one more thing that makes mailing lists look to me like an anachronism. It's probably true that we're in a minority, but that may be only because many people that would have joined a forum won't join mailing lists. I almost didn't join this one, and every week I reconsider that decision, especially because I'm not that active as a user of other's software rather than my own.

21 years, 4 months

[linux-audio-user] balance stereo

by DJ Astroboy

Is there a cookbook, command line way to balance out a stereo wav file where the two channels should be roughly at the same level? Rezound works well for this if you've got lots of time, but I've ended up with a bunch of these, and I need to automate... Andy/DJ Astroboy http://www.djastro.com

21 years, 4 months

[linux-audio-user] [OT] good deal on speaker wire

by Paul Winkler

OT: thought this might be useful for other audio geeks... http://www.partsexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=249-088&dotd… 50 feet of 12-gauge speaker wire for $10. Don't know if they ship outside the US. -- Paul Winkler http://www.slinkp.com

21 years, 4 months

[linux-audio-user] Setup tweaks

by Jos Laake

Hi, I need a little bit of general geeking help. I'm using a jackified setup to do my recording dailies. I use 'qjackctl' to start jack and then 'qjackctl' invokes a script to start up some other apps that connect to jack. Everything is operartionally functional, but... Everytime I start it up, it's kinda random where the windows for the various apps show up on the screen. I'd really like to be able to set window size and location for everything that starts so I don't have to waste time rearranging my screen so things are convenient. Can anybody here tell me how to easily do this? I'd really *really* appreciate any tips. :-) Thanks in advance again, ~Jos~

21 years, 4 months

[linux-audio-user] Mackie Onyx

by PianoJ1983＠aol.com

I was wondering if anyone knew whether or not a Mackie Onyx with the firewire option would work on a Debian system. If anyone knows anyhting, or where I can find information on this, that would be great. Thanks, Jeff

21 years, 4 months

[linux-audio-user] midi dump?

by Erik Steffl

what program can I use to dump midi in a sort of human readable format? I mean in the real time, reading from midi port, I don't mean the midi file conversion (even though I guess there's not much difference). Here's why I need it, my (off topic) problem (a bonus Q:-): I just connected yamaha drum pad (DD-55) to front panel (liveDrive?) of sb live platinum. It actually sort of works (I couldn't get it work with older versions of alsa) and after loading soundfonts and aconnect 64:0 65:0 I can hear the drumpad, but only what it plays itself (demo, songs, rhythms), when I hit the pad the sound is VERY soft, I can barely hear it (at normal volume I can only barely hear crash cymbal and hi-hat). So I'd like to check what is being sent out by the drum pad (whether the volume is so low or there's some other problem). Of course, I'd appreciate if anybody offered some insights into this problem... TIA erik

21 years, 4 months

[linux-audio-user] Ardour and some other test results running jack

by David Baron

Got that working. However, most of the user interface in unreadable, i.e. blue-white text on white background. I tried editing the default options bg colours in the ardour_ui.rc file but this did not work. Maybe I do not understand the RGB factors that appear to be there or whether these are RGB factors. Some sort of visual shell for doing this is definitely in order. Also, I found one can add all kinds of connections but once they are added, one cannot get rid of them. Rosegarden has a strange setup (studio) interface and muse does not know what XG is and Ardour does not do MIDI at all. Using muse to play an existing, very dense MIDI file. NO problems except that the file is 120/q and this is not an option in the program. Cannot hear any difference. MIDI must out to a real MIDI port, not to qjackctl MIDI port. I tried some of the soft-synths and they worked fine. First time out, they had skips but later on, no problem at all and seeing I am running on a stock kernel on a 575mhz system and setiathome was running in the background, I think this is OK! I was able to play XMMS wave file and listen to an internet "radio" broadcast simultaneously (fun!) without a skip or xrun. Not at all bad. The little qjackctl utility could use a mixer for all those "connections" :-), ( Tthis UI is better than the windoze virtual audio cable interface and. Works like MIDI thruway for MIDI. Just add the virtual channels.

21 years, 4 months

[linux-audio-user] Got Jack Working

by David Baron

Used the qjackctl utility for now but will probably want to part a startup script instead. Will not run "real time"--need kernel patch for that (2.6.6) but I do my windows stuff with > 100ms latency so not to run afoul of plugins that do not correctly do lookaheads. Main thing now is sharing the ports and experimenting with various plugins. My advanced MIDI tools remain on Windows and all this stuff goes into Cakewalk. Now if Ardour could read the Cakewalk files ....

21 years, 4 months

Re: [linux-audio-user] running gag: m-audio quattro

by Timothy Alan Gorman

Will this patch be PART of the CVS release soon? ( the maudio patch) I am not fluent enough with gcc to oatch it myself... unless You can point me in the correct direction... -- Tim Gorman Information Systems Specialist Petr-All Petroleum Corp. office (315) 446-0125 x126 cell (315) 415-8108

21 years, 4 months

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Linux-audio-user