Linux-audio-user August 2004

linux-audio-user@lists.linuxaudio.org

148 participants
163 discussions

[linux-audio-user] gnome-terminal performance

by Florin Andrei

What do you guys think about this thread? http://mail.gnome.org/archives/gnome-list/2004-July/thread.html#00071 Am i crazy? Am i the only one who thinks that the current incarnation of gnome-terminal is slow and a resource hog? -- Florin Andrei http://florin.myip.org/

20 years, 4 months

[linux-audio-user] jackit - qjackctl & xrun callback

by juto aviten

Hi friends, I just updated my mandrake 9.2 to 10.0 official and used the kernel.sds of thacs, everything is fine apart the fact that I used a terratec Aureon usb 5.1 and that I can't used it normally with jack, I put jackd interface: hw:0 frames/period: 2048 sample rate : 44100 buffer : 2 audio: duplex no memory lock input channels2 output channels6 I start jack and then xrun callback go over and over without end and there's no possibilities to start an apps (ardour, PD and so on...) And when I put 2input channels & 2 output channels it start without problems... but that's pity as the Aureon as 6 output channels to not used it :-( did someone report that problems, I changed the config of jack in qjackctl in different combinations but still the same scenario... thanks for your help!! juto

20 years, 4 months

[linux-audio-user] Best Kernel, and patch set for latency and xrun reduction

by Tom Burdick

whats the current best kernel/patch set for latency right now? I'm working on redoing my audio workstation, and figure maybe its time to switch to 2.6? just wondering what the general opinion was these days.

20 years, 4 months

[linux-audio-user] Getting audio noise through midi cable

by Phil Carter

Hi, I have my keyboard midi ports connected to my computer through the game port on my motherboard sound card. It works fine, except I'm hearing some noise through the audio output on my keyboard when the midi cable is plugged into my computer. Whenever my computer is on (whether or not the keyboard is), I hear a buzz, and it gets louder whenever the hard disk is in use. Is there anything I can do to correct this? Is it because I have a cheap sound card? I've thought about getting a somewhat better soundcard, possibly an SB Live!, or a USB midi interface instead of my gameport midi interface. Any suggestions? Phil Carter __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail

20 years, 4 months

Re: [linux-audio-user] Your synth wishlist?

by ricktaylor＠speakeasy.net

> -----Original Message----- > From: Dave Robillard [mailto:drobilla@connect.carleton.ca] > I'm designing a modular synth engine, and would like to get some input > on desired features/abilities to make sure it's designed in a way that > will make it the most flexible. > > So, what features are important to you in a synth? What annoys you > about the current crop of linux synths? > > Already planned (* = working right now): > > * Low latency realtime operation via Jack > * 100% LADSPA plugins, not Yet Another Internal Plugin Format > - (DSSI and perhaps VST are being considered) > * Seperate engine and frontend(s), ALL communication via OSC (Open Sound > Control) I'm writing this before I read the thread... you're getting "untainted" ideas. :} Snap in modules... Maybe a full screen version of Reactor that could scroll vertically or horizontally... A visual means of patching back and forth... Maybe not as literal as Moog Modular but clear and easy to read. A nice simple gui like Vokator. Possibly with screens like Jahshaka/Blender so you could page rather than scroll and still keep the screen uncluttered. {I hate clutter}. Synthedit compatibility... The community there's fairly large... There's much stuff already written for the environment. If it were extensible through something simple like lisp or ruby... Like emacs and snd... That would be cool. Scripting is essential. VST is essential. ...LADSPA. OSC would be nice. Csound compatibility through a module would be cool... So you could read .orc and score files rather than just plugging in a step sequencer {Tho' a step sequencer would be nice.} PD compatibility would be nice. A sampler module would be nice. A timeline like the one in http://openvip.sourceforge.net/ would rock... either to actually do video or to set up samples. Automation would be nice Compatibility with existing languages/environments like cm and OSW {which is osc compatible already} would be cool... PVM? That way you could stretch it across a cluster. Mosix? Maybe peer2peer midi {Freshmeat}? Eyesweb compatibility {should they ever happen to port it}? FM? {See Lollapalooza} Additive functions? {Cube, Cameleon} > The main GUI will be a modular a lot like AMS/SSM/etc. but there's no > reason it has to be, the engine can be used from the command line, in > programs/scripts (from any language that can talk OSC), hardcoded in > custom synths, etc. etc. This will allow, for example, algorithmic > composition in C without the limitations of MIDI and discrete notes. > The use of OSC means you can run the engine transparently over the > network (on 20 machines if you so please..) > > - Polyphonic, runtime selectable (in the works right now) > - Multitimbral > * ALSA MIDI in will be through a seperate application, which will allow > binding of any MIDI controller to any param in the synth > - Sending OSC messages from module ports > * Sample accurate everything > > - The main modular frontend will support LASH (formerly LADCCA), and > allow building of control panels ala galan > > I'm very open to suggestions, that's why I started this thread.. let's > hear 'em

20 years, 4 months

Re: [linux-audio-user] Your synth wishlist?

by ricktaylor＠speakeasy.net

> Compatibility with existing languages/environments like cm and OSW {which is osc compatible already Actually... so is csound. } would be cool...

20 years, 4 months

Re: [linux-audio-user] Your synth wishlist?

by ricktaylor＠speakeasy.net

Forgot 64 bit extensions.

20 years, 4 months

[linux-audio-user] headless audio apps

by robin fell

Hello [apologies for remotely on-topic post - i'm an X noob] Has anyone on the list any useful anecdotes about running X apps remotely (through ssh in my case) and having strange problems? Since I'm still in the process of setting up a terminal I haven't gotten a full list of the misbehaving apps - but I have seen ~30% load increase (as reported by an admittedly old qjackctl) upon starting meterbridge remotely (vs starting locally). I'm wondering if this is something I have this set-up incorrectly.... [I'd also be interested if anyone has any measurements for the performance benefits of remoting audio apps.] cheers Rob

20 years, 4 months

[linux-audio-user] ANNOUNCE: Rosegarden-4 0.9.9 released - now officially in beta!

by Chris Cannam

ROSEGARDEN GOES BETA! - 0.9.9 RELEASED The Rosegarden team are delighted to announce the 0.9.9 release of Rosegarden 4, an audio and MIDI sequencer and musical notation editor for Linux. http://www.rosegardenmusic.com/ This release is feature complete for 1.0 and marks the start of official beta testing. Rosegarden is one of the most comprehensive Linux music software projects, and is the only Linux application to offer full composition and recording capabilities to musicians who prefer to use classical notation. We encourage anyone who may be interested in using the 1.0 release to try out 0.9.9 and provide bug reports and other feedback via the mailing lists and bug trackers. http://www.rosegardenmusic.com/getting/ http://www.rosegardenmusic.com/support/ New features of the 0.9.9 release include: o Plugin synth support using the DSSI system (http://dssi.sf.net/). Rosegarden now comes with integrated sample-synchronous synth support, with LADSPA effects and mixer routing for synth tracks, and configuration both through the built-in plugin GUI and plugins' own native GUIs. o Triggered segments for pattern sequencing & performable ornaments o New menu layout, many new keyboard shortcuts for everyday usability o Recording from multiple MIDI sources o Cautionary accidentals and configurable key-signature cancellations o Pedal marks, mordents, trill lines, repeat bars o Fine positioning and visibility control of notation elements o Visual metronome o Several new example files Other features of interest include: o Piano-roll, score, event list and track overview editors o MIDI and audio playback and recording with ALSA and JACK o JACK transport support for synchronisation with other software o Ability to build and run without JACK support for MIDI-only use o Audio plugin support using LADSPA o Score interpretation of performance MIDI data o MIDI and Hydrogen file import o MIDI, Csound, Lilypond and MusicXML file export o Clear, consistent and polished user interface o Shareable device (.rgd) files to ease MIDI portability o User interface in Russian, Spanish, German, French, Welsh, Italian, Swedish and Estonian, as well as UK and US English. Rosegarden is Free Software under the GNU General Public License. Chris

20 years, 4 months

[linux-audio-user] aureon7.1(alsa ice1724)-opticalIn-jackServer recording

by Andrew Gaydenko

Hi, Has anybody experience in configuring alsa/jack for subj? Andrew

20 years, 4 months

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Linux-audio-user August 2004