Linux-audio-user November 2003

linux-audio-user@lists.linuxaudio.org

108 participants
112 discussions

Re: [linux-audio-user] Silent Linux box article released

by Daniel James

> I wonder why > you did not develop the laptop idea further. They usually start > out much quieter than usual desktops. Well, apart from the fact that laptops have relatively poor ergonomics and are difficult to repair and upgrade, they are an expensive solution if you don't need portability. Also, most of my audio hardware requires a PCI slot. But the main reason was that I set out to build a completely silent machine, and because of the tightly packed electronics in a laptop a fan is typically required. These are usually very small fans producing a high pitched whine when the CPU is under load, which is exactly the kind of noise I was trying to avoid. Cheers Daniel

21 years, 1 month

[linux-audio-user] any softsampler or drummachines for jackit out there

by Hartmut Z Noack

Hello, thanks THAC i have managed to make jack run smooth enough to take a step beyond mere experimenting with audio on Linux. I got muse 0.6 , ams, ZynaddSubFX and ardour Beta running ok but i miss a Sampler/Drummachine, since i fail to compile hydrogene i would be very thankfull for any hint towards Mandrake 9.1 - RPMs containing some Softsampler / Drumbox that can be jacked. best regards

21 years, 1 month

[linux-audio-user] ecasound 2.3.1 released

by Kai Vehmanen

1. A short summary of changes Ecasound's emacs mode, ecasound.el, has been updated to version 0.8.3. Due to severe bugs found in the native Python ECI implementation, the C implementation has been again set as the default. Minor interoperability problems with older JACK releases and Ecasound have been fixed. A bug that caused builds against an external libreadline to fail, has been fixed. Also recording problems with the WinTv 401Dbx and other bt878-based devices have been fixed. This release is compatible with the upcoming alsa-lib-1.0 releases. --- 2. What is Ecasound? Ecasound is a software package designed for multitrack audio processing. It can be used for simple tasks like audio playback, recording and format conversions, as well as for multitrack effect processing, mixing, recording and signal recycling. Ecasound supports a wide range of audio inputs, outputs and effect algorithms. Effects and audio objects can be combined in various ways, and their parameters can be controlled by operator objects like oscillators and MIDI-CCs. A versatile console mode user-interface is included in the package. Ecasound is licensed under the GPL. The Ecasound Control Interface (ECI) is licensed under the LGPL. --- 3. Changes since last release Full list of changes is available at <http://www.wakkanet.fi/~kaiv/ecasound/history.html>. --- 4. Interface and configuration file changes None. --- 5. Contributors Patches - Accepted code, documentation and build system changes Mario Lang (ecasound.el updated to 0.8.3, doc typo fixes) Junichi Uekawa (ecasound makefile bug, doc generation using Hevea) Kai Vehmanen (various) Bug Hunting - Reports that led to bugfixes (items closed) Hirendra Hindocha (2) -- recording problems with WinTv 401dbx, ecacontrol.py bugs Stefan Bundt (1) -- ecacontrol.py breaks under heavy load Dave Phillips (1) -- errors in EIAM help Junichi Uekawa (1) -- compability bug with older JACK versions --- 6. Links and files Web sites: http://www.eca.cx http://www.eca.cx/ecasound Source packages: http://ecasound.seul.org/download http://ecasound.seul.org/download/ecasound-2.3.1.tar.gz Distributions with maintained Ecasound support: Agnula - http://www.agnula.org Debian - http://www.debian.org FreeBSD - http://www.freebsd.org/ports/audio.html Gentoo Linux - http://www.gentoo.org PLD Linux - http://www.pld.org.pl SuSE Linux - http://www.suse.de/en Contrib Packages and Add-On Distributions: AudioSlack for Slackware - http://www.audioslack.com PlanetCCRMA for RedHat/Fedora - http://www-ccrma.stanford.edu/planetccrma/software Thac's RPMs for Mandrake - http://rpm.nyvalls.se Apps.kde.com packages for Mandrake/Redhat/SuSE - http://apps.kde.com/rf/2/info/id/2146 Note! Distributors do not necessarily provide packages for the very latest Ecasound version. -- http://www.eca.cx Audio software for Linux!

21 years, 1 month

[linux-audio-user] Zaurus users?

by iriXx

hi all... just wondering if there are any Zaurus users on the list - the older version not the new one... i've seen one in action and i know its got good media player facilities - some kind of xmms i seem to recall?... but im curious as to what else will run on it... thinking about getting one as a replacement to the laptop i thoroughly destroyed yesterday. dropped it from a bench, shattered screen and damaged motherboard. i'll be lucky if i get the data back. compaq armada's are flimsy things - if it had been the Dell i used to have, chances are it might have been salvagable.... thankx m~ -- |\ _,,,---,,_ ZZZzz /,`.-'`' -. ;-;;,_ HTTP 503: Too Busy |,4- ) )-,_. ,\ ( `'-' '---''(_/--' `-'\_) fL .::. www.iriXx.org .::. www.copyleftmedia.org.uk .::. gnupg key ID: AEB7A31E

21 years, 1 month

[linux-audio-user] Silent Linux box article released

by Daniel James

Hello all, My article on building silent computers for studio use is now available without subscription from the SoS website. The C3 machine built for the article runs Linux, of course. http://www.soundonsound.com/sos/May03/articles/silentdrive.asp Cheers Daniel

21 years, 1 month

[linux-audio-user] Ann. Vstserver V0.2.8 and Ladspavst V0.1.5

by Kjetil Svalastog Matheussen

These updates makes it possible to use windows vst plugins in linux applications getting very descent realtime performance. I have successfully ran vst plugins in ardour with 2.66 ms latency. Sources: http://www.notam02.no/arkiv/src/ Linux Vst Compatibility Page http://80.61.20.184/vst/ Tutorial: http://www.djcj.org/LAU/quicktoots/toots/vst-plugins/ Mandrake binaries: (not the latest versions (yet)) http://rpm.nyvalls.se/sound9.1.html Vstserver 0.2.7 -> 0.2.8: ------------------------- -Added SCHED_FIFO priority and locking all mem (mlockall) to the processing thread. Can be used without being root by for example using the givertcap program by Tommi Ilmonen http://www.tml.hut.fi/~tilmonen/givertcap/ To turn off realtime priority, start the vstserver with either the "-NRT" or "--nonrealtime" flag. vst ladspa plugin v0.1.5 - stable ---------------------------------- -Fixed the worst nonrealtimeness for the default mode. When using realtime priority on the vstserver, it should not be necesarry to set LADSPAVST_RT to "1". --

21 years, 1 month

[linux-audio-user] problem with sound-recorder / low volume

by Matthias Knelangen

hi, i tried sound-recorder 0.06 with the following command sound-recorder -c 2 -f -k x.wav and just linked my line-out to line-in. I could record sth but it had a volume so low that you could almost not hear it. As I've never done any recording, does anybody know how to adjust line-in volume thanks matze -- Matthias Knelangen matthias(a)knelangen.de ---------------------------------------------- Outside of a dog, a book's a man's best friend. Inside of a dog, it's too dark to read.

21 years, 1 month

[linux-audio-user] Multimedia kernel patches?

by felipe

Hi list, for the past few months I've used Kon Coliva's kernel patches ho have all the requisites to run jackd & Co. http://members.optusnet.com.au/ckolivas/kernel/ But last time I checked those patches they gave me a bunch of errors against 2.4.22, plus I notice such development seems to have slowed down a lot. What patches do you use to make a preemptible/lowlatency/capabilities enabled kernel? Where do I find them? =) thanks, bye -- Email.it, the professional e-mail, gratis per te: http://www.email.it/f Sponsor: Incontra nuovi amici su match.com ti stiamo aspettando! Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=2094&d=14-11

21 years, 1 month

[linux-audio-user] medialinux

by aguerrier

Does anyone on the lists uses Medialinux? I know it is based on Knoppix 3.3-which is great. Does it have any shortcoming or known issues?

21 years, 1 month

[linux-audio-user] JACK-0.90.0 Released

by Taybin Rutkin

********JACK 0.90.0******** JACK is a low-latency audio server, written primarily for the GNU/Linux operating system. It can connect a number of different applications to an audio device, as well as allowing them to share audio between themselves. Its clients can run in their own processes (ie. as normal applications), or can they can run within the JACK server (ie. as a "plugin"). JACK is different from other audio server efforts in that it has been designed from the ground up to be suitable for professional audio work. This means that it focuses on two key areas: synchronous execution of all clients, and low latency operation. Source packages for Jack 0.90.0 are available http://sourceforge.net/projects/jackit/ . ********Major Changes******** Buffers can resize during operation. This can be triggered by the user or by the function jack_set_buffer_size(). See the documentation for details. It is new code and still needs a shakedown. It can be enabled with './configure --enable-resize'. If not compiled in, jack_set_buffer_size() returns ENOSYS. Applications should be prepared for it though. Major rewrite of the thread model. This won't affect users. Thanks to the rewrite, jack now has a "freewheeling" mode for faster than realtime operation. It decouples the engine from the soundcard. The alsa driver has 3 new options. --i, --inchannels sets the number of channels to open for input. --o, --outchannels sets the number of channels to open for output. -S, --shorts changes the order of in which the sampleformats are tried. The driver will try to use 16bit samples first and only tries 32bit if this fails. Useful if you digitaloutput card supports 32bit samples but your interface doesn't. ********Minor Changes******** Greatly increased support for other architectures. --version also prints out the temporary directory. Example clients expanded to be more helpful. Many bug fixes. Updated and improved documentation. Portaudio driver works on linux. jack_connect() returns EEXIST if a connection is already made. Addition of jack_get_current_transport_frame (). hw:0 is the default ALSA device instead of "default". Jack's build system has better optimization. --silent option for halting jackd's output. Removal of --tmpdir and --asio options. Will compile with alsa-lib-1.0.0pre1 (the latest). ********Other******** Jack now has a mantis bugtracker at http://jackit.sf.net/mantis/ . Please use that for bug reports. James has written a tutorial for jack programmers available at http://dis-dot-dat.net/jacktuts/starting/index.html . ********Deprecated******** These are deprecated structures and functions that have been deprecated. They will likely be removed in a future release. The jack_transport_info_t struct has been deprecated. Please use jack_position_t instead. jack_engine_takeover_timebase() has been deprecated. Please use jack_set_timebase_callback() instead. jack_set_server_dir() has been deprecated. jack_get_transport_info() has been deprecated. Please use jack_transport_query() instead. jack_set_transport_info() has been deprecated. Instead, define a JackTimebaseCallback.

21 years, 1 month

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Linux-audio-user November 2003