Linux-audio-user November 2007

linux-audio-user@lists.linuxaudio.org

131 participants
119 discussions

A simple program to take a WAV file in and play it to JACK?

by Ken Restivo

Yeah, I've kind of asked this before, and I got answers back, but not really. Is there seriously no program that'll take WAV file input, on stdin, making no attempt to "seek" on it, and poot the resulting data out to JACK? -ken

17 years

Very low input from accoustic guitar pickup

by lanas

Folks, I'm connecting an accoustic bass guitar that has an internal pickup to a 1010LT card (inout 3 for instance) using a 1/4" cable and a 1/4" to RCA converter. The guitar has volume, bass, treeble controls. Unless I crank up the guitar's volume to the max there's no much sound that goes in. The appropriate ADC channel setting in Envy24 is at the max. Pushing the volume to the max also brings noise with it. What I would like to do is to set it at about 5-6 and have some room in Ardour. Does this mean that I have to plug some kind of impedence adapter between the guitar and the 1010LT ? Thanks, Al

17 years

jackd @ startup

by James McDermott

[2g: apologies for multiple versions, I forgot to send to the list] > i feel like a fool > whenever i do > jackd -R -dalsa -S > at the beginning of everyday's routine.. Maybe you should get qjackctl and set it to auto-start jackd > but i also wonder if there is an issue that i'd better get aware of > befor going this way > maybe flash things will loose sound when in firefox? That's what I find, I think. I only start jack when I'm recording (I have qjackctl bound to a hotkey in fluxbox). If I'm just using web or listening to mp3s jack isn't running. If firefox is playing sounds (or has played some in the past) then I have to quit it before starting jack. > on fluxbox i think i'll go 1 workspace per 1 app > having jackd done only in one workspace would be a trouble? It doesn't work like that. When you say workspace you mean multiple desktops, alt-f[1-4], right? Once jackd is started, it's started for the whole system regardless of workspace.

17 years

Re: [LAU] Very low input from accoustic guitar pickup

by Sebastian Tschöpel

Hi Reuben, > having a battery doesn't mean a thing in regards to preamps, it means > it has an active rather than a passive pickup But isn't the difference between an active and a passive pickup, that the active one uses the electrical energy to run a preamp (or an EQ as well) --> "Active" as in "active signal modifying" ? But you're right when you said that the preamp of an active pickup isn't the same than an external preamp that amplifies up to a line-level for the mixer. Best regards, Sebastian

17 years

Re: [LAU] chill-out band - a first stab

by Martin Ahnelöv

ons 2007-11-21 klockan 11:38 -0500 skrev Philippe Hezaine: > Martin Ahnel?v a ?crit : > > tis 2007-11-20 klockan 12:00 -0500 skrev Philippe Hezaine: > > > >> An HTML attachment was scrubbed... > >> URL: > >> > http://lists.linuxaudio.org/pipermail/linux-audio-user/attachments/20071119… > >> > > > > Please, turn off html in your emails! > > > > To answer your question, I believe we'll (yes, I might chime in) > base > > work around samples, so you won't be submitting midi-files, as it > would > > create havoc (sure, you could provide a midi-file so someone else > could > > recreate what you've done, but please provide a audio sample as > well). > > > > Why, you may ask? Well, for starters, you would have to provide us > with > > presets, instructions for patching in jack and alsa, and some > program's > > midifiles don't play nice with other's (for example, even if you > arrange > > a song in seq24, it'll be hell for a Rosegarden-user). > > > > So, well, yes. just fiddle around, and when it sounds good on your > > computer, just sample and upload it. That'll work nicest. > > > > Gasten > > > Oh! Sorry for the html. I've configured Thunderbird again as it sends > a > simple text format and added adress of the list > in its Preferences. I don't understand very well what happens! Perhaps > i > forget something. No problem. > About Gneutronica and Hydrogen, it seems to me you misunderstood my > post. > I'm not complain about them. Just i've found a workaround to make slow > down ("ralenti" in french) for drums. > With Hydrogen i don't know the way to do this ( yes, i try it manually > but wasn't very satisfying for me ) . > On both sides I've used the better and they worked very well for this > purpose. Isn't this a bit offtopic, or have I missed something? > I hope this message isn't html, otherwise Hell is for me! You're fine! No worries. Gasten

17 years

cdfs

by Julien Claassen

Hi folks! Does anyone know anything about CDFS? Is it still up? I tried to download it, but lynx sends me just a very long waiting for response. Is there another site to get it? Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

17 years

realtime kernel

by Julien Claassen

Hi everyone! Short question only: If I compile a realtime kernel, with Ingo's patches, do I need to set the timer to 1000Hz. Or is it best to do so. My system is about 2 and a half years old athlon 2500+ CPU 1.8gHz. Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

17 years

Re: [LAU] M-Audio Oxygen8 - some problems

by Sebastian Tschöpel

Hello Edgar, Hello List, > Looks like you want the package "midisport-firmware" from Takashi Iwai's multimedia:/audio repository on the openSUSE buildserver, for 10.2 look here: > > http://download.opensuse.org/repositories/multimedia:/audio/openSUSE_10.2/ > > The rpm has firmware files for: > - MidiSport 1x1, 2x2, 4x4, 8x8 and Uno > - Keystation > - Oxygen > - Radium > Well, that doesn't work either for my Oxygen *8*. I installed the firmware correctly, the system recognizes the usb-device after plugging in but no firmware gets loaded. Is it possible to load it manually? Or another idea? Does anyone has a M-Audio (former Midiman) Oxygen *8* running? As i said: It works when i boot windows and then boot linux again.... how strange is that?! Best regards, Sebastian. PS: Sorry for sending it to you twice, Edgar! My bad.

17 years

Real-Time Linux papers (saw this in osnews)

by Jorge Salgueiro

don't know is this may interest someone: http://www.linuxdevices.com/articles/AT4991083271.html -- Um abraço, Jorge Salgueiro ................................................................. Use GNU/Linux: free culture for a free society

17 years

M-Audio Oxygen8 - some problems

by Sebastian Tschöpel

Hello List, i have some problems running my oxygen 8 usb/midi keyboard on my linux machine. At first i would like to mention, that i already tried a lot, e.g. * installing all the hotplug-stuff from http://linux-hotplug.sourceforge.net/ that is needed for * the firmware loader on http://usb-midi-fw.sourceforge.net/ , that I already installed successfully as described in the readme (the 0.5 version) * i translated http://freesoftware.ircam.fr/article.php3?id_article=67 which is basically a french translation of the readme provided by the usb-midi-fw-package * i read the articles on http://lists.linuxaudio.org/pipermail/linux-audio-user/2004-March/011065.ht… and the other one from this month but i have to admit that these threads ended very abrupt like a sentence that ends right in the ... Furthermore the device seems to get hotplugged correct, since the /var/log/messages output shows... Nov 20 23:41:08 studio-linux kernel: ohci_hcd 0000:00:02.1: auto-wakeup Nov 20 23:41:08 studio-linux kernel: usb 2-1: new full speed USB device using ohci_hcd and address 6 Nov 20 23:41:08 studio-linux kernel: usb 2-1: configuration #1 chosen from 1 choice .... when i turn the oxygen8 on. the strangest thing: When i boot windows and install the oxygen8 midi-device and restart linux the device works perfectly as long as i don't turn it off. Even when i reboot linux again. When i turned it off it doesn't appear again when i turn it on again. Does anyone have an idea? best regards, sebastian. PS: linux machine does mean: openSuse 10.2 set up with JAD 1.0 realtime-kernel.

17 years

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Linux-audio-user November 2007