Linux-audio-user December 2008

linux-audio-user@lists.linuxaudio.org

144 participants
133 discussions

by confrey

Hi to everybody, I'm a new user of this mailing list; I use debian lenny and slackware on my notebook; I'm a musician, but only since a few time I'm trying ti use audio and musical software. I'd like - but I don't know if it's possible - to change 'volume' of a long note while a long note is playing, as I can do it manually changing a slider's position. I don't know how to do it, and which software I can use. I had a look to Rosegarden, QTractor and Muse, but I found never about. I'm a piano … [View More]

16 years, 3 months

Play with latencies

by Jostein Chr. Andersen

Hi, I have played a little bit with the connections of latencies, distances and notes, just to get things in perspectives. We always try to keep the latencies as low as possible and I'm no exception: my every day standard is 2.9 ms, but decreases down to 0.72 in recording situations and maybe up to 20-50 ms when mixing (working in Ardour). So how long time (latency) does it tak from when you tap rhythm with the foot to you or other can hear it, and how is it between the members of a … [View More]

16 years, 3 months

MIDI NOTE ON/OFF Messages - reducing data

by Crypto

Hi LAU group, just a bit of brainstorming here. Defined in the MIDI specification is that for each NOTE ON message there has to be a NOTE OFF message (or a NOTE ON message with vol.=0). BUT: There are many instruments that in real life never need a manual action to stop their sound, for example most if not all percussion instruments and drums. For these, sound can "only" be triggered and then just plays, there is no way to stop it, apart maybe from rigorously damping it. It means: when … [View More]

16 years, 3 months

: Netjack : like a charm :)

by Mysth-R

Hi, I just want to report my experience. Since several weeks now, I and a friend of mine were searching for a software, or an utility on Linux, capable of synchronizing our two computers. We could synchronize the transport, but there were always some things missing for the tempo... So yesterday, we decided to try netjack. Here our config : Two laptops connected via a router/switch with ethernet. One laptop with a sound card the other, just nothing. the laptop with a sound card was acting as … [View More]

16 years, 3 months

Asus EEE 1000 as new softsynth?

by Ken Restivo

I've purchased a new Asus EEE 1000 PC, and I love this thing. First off, almost everything on it just works with Linux, out of the box! I've never had a laptop on which everything actually worked properly. Audio, wireless, suspend-to-disk, even the webcam works with Debian EEE distro, out of the box! I was stunned. I've never experienced anything like this with linux. It's tiny, weighs almost nothing, has a usable keyboard, no moving parts (except the fan), runs a full linux distro, and sips … [View More]

16 years, 3 months

Re: [LAU] Asus EEE 1000 as new softsynth?

by Johannes Mario Ringheim

Jay Vaughan skreiv: > On Fri, 2008-12-12 at 08:57 +0100, Johannes Mario Ringheim wrote: >> That sounds very nasty. Please allow me to ask a stupid question: Will >> this apply to external soundcards aswell? >> > > Nope. Use a USB Audio interface and you can minimize the damage. Hmmm... Fact is, I've tried, and cannot get anything but abysmal performance from jack. This is with ubuntu-eee 8.04, and a Behringer UCA202 USB interface. Which kind of distro, and/or … [View More]

16 years, 3 months

[ANN] QjackCtl 0.3.4 is out!

by Rui Nuno Capela

hi, A semester has gone by, since last release, with no big news on this front. Alas, on the verge of the coming one-dot-oh release of the mighty JACK Audio Connection Kit, here goes one fine update of its old and aged Qt GUI front-end: QjackCtl 0.3.4 is out! Nothing much new to see but you might welcome the patchbay snapshot revamp, which might finally do the right thing, and the rand new translations that are getting in place: German (de), Spanish(es), French (fr) and Russian (ru). Many … [View More]thanks to all involved. With no further ado, the good stuff is ready from the usual places. Website: http://qjackctl.sourceforge.net Project page: http://sourceforge.net/projects/qjackctl Download: http://downloads.sourceforge.net/qjackctl/qjackctl-0.3.4.tar.gz Weblog: http://www.rncbc.org License: QjackCtl is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later. Change-log: 0.3.4 2008-12-05 Patchbay snapshot revamp. - Introducing the very first and complete translations in-package: German (de), Spanish (es), French (fr) and Russian (ru); credits in TRANSLATORS. - At last, after years of retarded procrastination, the old infamous patchbay snapshot feature has been the subject of a almost complete rewrite and it does try to give a way better mapping of all actual and current running client/port connections, both JACK (audio, MIDI) and ALSA MIDI, of course ;) - On Setup/Settings/Parameters dialog, all device selection options are now reset to default when disabled interactively. - Grayed/disabled palette color group fix for dark color themes. - Qt Software logo update. - Fait-divers: desktop menu file touched to openSUSE conventions. - ALSA PCM devices now only listed/enumerated iif strictly compliant with the audio mode criteria (Duplex, Capture-only or Playback-only) as kindly suggested by Nedko Ardaunov. - JACK client/port aliases may now be displayed as a global user option (see Setup/Display/Connections/JACK client/port aliases). - Lighten up the connections line and highlight colors, as seen to fit best on some darker background themes. - Patchbay snapshot fixed to differentiate socket clients according to its type (Audio, MIDI or ALSA-Seq), avoiding the mess and gross mistake of hanging disparate type ports under the same client item. - JACK_DEFAULT_SERVER environment variable is now appended to the X11 unique application identifier, allowing for having multiple instances each controlling its own JACK server, besides the default one. - Due to some trouble with newer Qt >= 4.4 applications regarding font size configuration, a new global user option is now available to the rescue: Setup/Misc/Defaults/Base font size (default is no-op). Cheers && Enjoy. -- rncbc aka Rui Nuno Capela rncbc at rncbc dot org [View Less]

16 years, 3 months

Re: [LAU] Pre-configured Linux Audio laptop for US$499 gets some ink - Video Demos

by Ronald Stewart

Indamixx Atom Based Laptop/Netbook - Technical Video Multiple synth and drum tracks using energy XT2 default demo. http://www.youtube.com/watch?v=JOr2Q364kUQ Indamixx Laptop/Netbook Technical Video Setup - Live Scratching with Vinyl Control featuring Mixxx 1.6.1. http://www.youtube.com/watch?v=MYg3Fx9YDDo

16 years, 3 months

Feature trackers for Aeolus and AMS?

by rob

I have a few enhancement requests for Aeolus and AMS, but found none for Aeolus, and an apparently dead tracker for AMS. Does anyone know the right place for such requests? Cheers R

16 years, 3 months

Synchronizing 2 computer with MIDI

by Mysth-R

Hi, Yesterday I tried with a friend of mine to synchronize our computers with a simple midi cable. We just want to make music together, and synchronize, the transport AND the tempo with a Master and a Slave. After hours and hours of tests, we just made the transport sync works. But we couldn't sync the tempo. Someone told me on the #LAD IRC, about netjack, but it seems to be to "loud" for what we want to do. In fact, most of the softs can sync themself each other with JACK transport, but … [View More]

16 years, 3 months

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Linux-audio-user December 2008