Linux-audio-user February 2005

linux-audio-user@lists.linuxaudio.org

173 participants
197 discussions

[linux-audio-user] Re: linux-audio-user Digest, Vol 17, Issue 56

by Timo

> From: Kevin Cosgrove <kevinc(a)doink.com> > So, I change the qjackctl setup to use jackd-realtime to start > jack. It works beautifully. I did not know that was possible. Don't you have to be root to start Jack in realtime with anything else but jackstart with a 2.4 kernel? I need to test this... > The rest of your howto is pretty clever. Thanks :-) Timo

21 years

[linux-audio-user] Re: Tweaking alsamixer for the Echo Indigo IO

by Jon B

I've found Qamix, which looks like it will suit my purposes of being customizable. And it's pretty too! alsamixer's just nice because it always works and always has all of the sliders available, guaranteed. It *would* be nicer if it could be accessed in a customizable mode, too, but if I can get the graphical mixer working acceptably, that's a much better solution for me. So I'm going to work on writing an XML file for my card later. Is there any way to do the same thing with kmix? It would be great if Qamix could have a configurable "tray" icon like kmix does. Maybe it will be added in a later version...

21 years

Re: [linux-audio-user] Basic microphone recording via SBlive

by Peter Zubaj

Sorrr, wrong subject. Hi, You need to set capture to "Mic" and "Capture". In alsamixer both (Mic and Capture) sliders should have "CAPTUR" flag. And you need to set "AC97 Capture" volume (best to 100%). Set Capture to 0 first, because this slider amlify inputs. Peter Zubaj ____________________________________ Vsetko o SuperStar http://superstar.atlas.sk

21 years

[linux-audio-user] Re: linux-audio-user@music.columbia.edu

by Peter Zubaj

Hi, You need to set capture to "Mic" and "Capture". In alsamixer both (Mic and Capture) sliders should have "CAPTUR" flag. And you need to set "AC97 Capture" volume (best to 100%). Set Capture to 0 first, because this slider amlify inputs. Peter Zubaj ____________________________________ Vsetko o SuperStar http://superstar.atlas.sk

21 years

[linux-audio-user] Re: Tweaking alsamixer for the Echo Indigo IO

by Jon B

> That's not a bug, that's a feature! :-) Alsamixer lays out the controls > just as the driver numbers them, and the driver in turn numbers the > controls the way that they are found in the sound hardware itself. So "That's a great feature! Now how do I turn it off?" > pry open your new Echo Indigo, see who made the chip inside, and file a > bug report with them to revise their silicon :-) Hmm... I did that, and now linux isn't recognizing it... Should I have used a screwdriver or a hammer? :-) Kidding. > What you are asking for isn't wrong, but it isn't a bug, it's a new > feature request. Some other mixers might support control renaming and > reordering, but alsamixer is too simple for that. Some of us think > that's a good thing. Alsamixer shows everything that the driver reports, > in control number order. That might not be the best user interface, but > it is good for seeing exactly what possibilities exist. I see. Yes, it is useful for it to return exactly what is on the device for debugging purposes, etc. However, for regular users, it is better if things are arranged sanely, like monitor left channel and monitor right channel being... oh... next to each other? Perhaps a feature request would be to have two modes for alsamixer. Rawww!1!!/Insane mode, and Sane/Rational mode. Insane mode will be the default, to make things more difficult and confuse new users. Then you can use some arcane, difficult-to-remember command line switch to choose rational mode. I should be a developer! :-) I've noticed the other mixer programs display the sliders differently for my internal sound card. I've tried all of them and haven't found one I liked yet (because they don't show *all* the sliders, for instance). I haven't tried them with the Indigo yet, though. Who decides how the sliders are arranged for each program? Do they each have a database of every possible card, with an arrangement file thing for each?

21 years

[linux-audio-user] Sound servers conflict

by Hillel

Hi all, I am new to the list and new to Linux audio. I wrote a simple QT program that uses sound, and it requires the NAS sound server. I installed NAS from Mandrake rpm's rebooted the box, and the program works great. The problem is that most of my other software, for example Amarok, stopped producing sound. Prior to installing NAS, I used KDE and there sound server aRts. When I start Amarok I get a message from aRts, that it can't open device for playback. I thus have two questions: 1. Is there a way to resolve such a situation, in a way that allows two programs that use different sound servers to play sounds at the same time? 2. A more generic question: Why do we have to use sound servers in Linux? shouldn't it be the job of the operating system to allow sound multiplexing through a set of standard API's? The situation is especially bad, if there is no comfortable solution to the problem in my first question. Thanks, Hillel.

21 years

[linux-audio-user] realtime-lsm in Andrew Morton's latest kernel patchset

by Jack O'Quin

Those of you who enjoy working with bleeding-edge kernels, please try Andrew's latest 2.6.11-rc3-mm2 patchset. I am hopeful that this may be included in the base kernel, soon. It would help for some of you to build this kernel, run it and report on any problems (or successes) with the realtime LSM. This version no longer supports the `allcaps' option (too much risk), so you need to run `jackd' rather than `jackstart' with it, unless you have a very recent version of JACK. (Even so, using `jackd' is preferable.) You'll need the 2.6.10 sources from <http://kernel.org/>, then the 2.6.11-rc3 patchset, followed by 2.6.11-rc3-mm2 (in that order). Configure the realtime-lsm under `security'. It can either be built-in or loaded as a module (y or m). When the module is active, its parameters can now be changed dynamically via sysfs like this... # echo 1 > /sys/module/realtime/parameters/any # echo 29 > /sys/module/realtime/parameters/gid # echo 1 > /sys/module/realtime/parameters/mlock If you try it, please let me know how well it works. -- joq

21 years

[linux-audio-user] ANNOUNCE: Rosegarden-4 1.0 released!

by Chris Cannam

ROSEGARDEN-4 1.0 RELEASED! ========================== LONDON, CANNES, ETC., FEBRUARY 14th 2005 -- The Rosegarden team are delighted to announce the 1.0 release of Rosegarden 4, an audio and MIDI sequencer and musical notation editor for Linux. 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. http://www.rosegardenmusic.com/ http://www.rosegardenmusic.com/getting/ http://www.rosegardenmusic.com/support/ Some of Rosegarden's features are: o MIDI and audio playback and recording with ALSA and JACK o Piano-roll, score, event list and track overview editors o DSSI synth and audio effects plugin support, including Windows VST effects and instrument support via dssi-vst o LADSPA audio effects plugin support o JACK transport support for synchronisation with other software o Ability to build and run without JACK, for MIDI-only use o Score interpretation of performance MIDI data o Shareable device (.rgd) files to ease MIDI portability o Triggered segments for pattern sequencing & performable ornaments o Audio and MIDI mixers o MIDI and Hydrogen file import o MIDI, Csound, Lilypond and MusicXML file export o Clear, consistent and polished user interface o User interface translations for Russian, Spanish, German, French, Welsh, Italian, Swedish, Estonian, Japanese, and Simplified Chinese, as well as UK and US English o Help documentation available substantially or entirely translated into German, Swedish and Japanese as well as English. Rosegarden is Free Software under the GNU General Public License. Chris

21 years

[linux-audio-user] RME hammerfall on Ricoh Co Ltd RL5c475 (rev 81)

by Markus Pott

Hi everyone, I would like to know if there is a way to get the pccard and multiface running on a RL5c475 (rev 81). The card itself work as accpected on an RL5c476 II (rev a8) ( only a few ctl issues ) outputs on my 64 bit gentoo DAW: lspci: 0000:00:0b.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev 81) 0000:02:00.0 Multimedia audio controller: Xilinx Corporation RME Hammerfall DSP (rev 0b) messages: PCI: Failed to allocate mem resource #0:10000@ed010000 for 0000:02:00.0 RME Hammerfall DSP: probe of 0000:02:00.0 failed with error -16 uname -a 2.6.10-gentoo-r6 #1 Tue Jan 25 20:17:49 CET 2005 x86_64 AMD Athlon(tm) 64 Processor 2800+ AuthenticAMD GNU/Linux any ideas thks et b.rgds potty meminfo: MemTotal: 2056628 kB MemFree: 190012 kB Buffers: 342496 kB Cached: 841692 kB SwapCached: 0 kB Active: 834744 kB Inactive: 432156 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2056628 kB LowFree: 190012 kB SwapTotal: 1004020 kB SwapFree: 1004020 kB Dirty: 40 kB Writeback: 0 kB Mapped: 119284 kB Slab: 572192 kB CommitLimit: 2032332 kB Committed_AS: 307444 kB PageTables: 4500 kB VmallocTotal: 536870911 kB VmallocUsed: 18140 kB VmallocChunk: 536851963 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB cat /proc/iomem 00000000-0009f7ff : System RAM 0009f800-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c87ff : Video ROM 000f0000-000fffff : System ROM 00100000-7ffeffff : System RAM 00100000-00453996 : Kernel code 00453997-005938af : Kernel data 7fff0000-7fff2fff : ACPI Non-volatile Storage 7fff3000-7fffffff : ACPI Tables e4000000-e7ffffff : 0000:00:00.0 e4000000-e7ffffff : aperture e8000000-eaffffff : PCI Bus #01 e8000000-e8003fff : 0000:01:00.0 e9000000-e97fffff : 0000:01:00.0 eb000000-ecffffff : PCI Bus #01 ed000000-ed0007ff : 0000:00:0a.0 ed001000-ed001fff : 0000:00:0b.0 ed001000-ed001fff : yenta_socket ed002000-ed003fff : PCI CardBus #02 ed004000-ed005fff : PCI CardBus #02 ed006000-ed0060ff : 0000:00:10.4 ed006000-ed0060ff : ehci_hcd ed007000-ed0070ff : 0000:00:12.0 ed007000-ed0070ff : via-rhine fec00000-fec00fff : reserved fee00000-fee00fff : reserved ffff0000-ffffffff : reserved

21 years

[linux-audio-user] 19" chassis?

by Mario Lang

Hi. Many external music devices come in the well-known 19" format. For instance, I've got a rather old Behringer 19" mixer (20 channel, 8xmono, 6xstereo), a Novation DrumStation (19"), and I am planning to get myself a Delta 1010. Now, can anyone suggest a supplier for 19" chassis? I've recently cut my hand at the sharp edge of my Novation, and I finally decided I have to put all this stuff into one neat thing. Web research doesnt really reveal anything useful, and so I figured I'd ask you guys, I am sure some of you actually have 19" chassis. Any experience? Where do I get such things? A way to tilt the stuff by 45 degree would be very cool. -- CYa, Mario

21 years

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Linux-audio-user February 2005