Linux-audio-dev

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2 participants
7501 discussions

[linux-audio-dev] thread priority question

by Ben Loftis

Is there an equivalent to sched_setscheduler() that adjusts thread priority instead of process priority? I want my audio thread to be higher priority than my drawing thread. Both threads are part of the same app (process). Is this possible in Linux v2.5?

22 years, 1 month

[linux-audio-dev] [ANN] galan-0.3.0-test3 released

by torbenh＠gmx.de

hi... galan-0.3.0-test3 is released... - now supports multiple jack in and out ports. - FFT is also supported. - BUGFIXES for details see http://galan.sourceforge.net -- torben Hohn http://galan.sourceforge.net -- The graphical Audio language

22 years, 1 month

Re: [linux-audio-dev] Re: image problem [was Re: [Alsa-devel] help for a levelmeter]

by Patrick Shirkey

>> That said, I think Patrick is right to start thinking about this now. Thanks. >I think he's completely right - I'm not sure about this bank account >thing but I do think that now is the time to be demoing, talking up and >generally approaching people and companies about Linux music software. >I wrote us up (and mentioned a few other apps) in the latest edition of >Linux User - John at mstation.org has been very kind so far as well. >Now is the right time to be talking to people and getting the >"products" out there. If it works - why not tell people about it? The reason I believe we need to have various bank accounts are because we cannot afford to waste money on excessive service charges and not everyone has access to credit cards. If we have the accounts in the right countries then people can just donate cash. From a professional perspective we need to show our prospective clients that we have sound financial thinking. It's mostly a subconscious need that consumers have. They want to know that the money they are investing is being given to people/companies/organisations who use it. Most people don't really care how it is used although we have the moral justification on our side too. This is from the Sound on Sound advertising package. "The main target market of Sound On Sound is the professional and semi-professional musician who is the kind of person that will have the spending ability to purchase a large range of products from synthesizers to samplers, mixing desks to microphones, multitracks to monitors, effects to expanders and computer hardware and software. They are not time wasters who do not know their profession - they are serious and mature individuals working with a reasonable budget." If we want to appeal to this audience we need to prove to them that they are investing in professional audio. We need to wine them and dine them (metaphorically). If they look into our commmunity and say these are just amateur geeks who have made some interesting things happen it won't work. If we take the intiative and lead them into our world they will come at it from the perspective that we are professionals who have created a very credible concept that we are proud of and want them to enjoy using. They will ask "What kind of cash have we invested" and if we come back with "Ahh, well we don't actually have a scope on the financial side of our open community." They are just going to look around for a while and leave. If we can show them that not only are we mathematics and logics wizards but that we also have solid business sense then they are going to stick around and see what we have to offer. A lot of them will probably invest just to test the waters or to keep up with the play. I want to see an advertising campaign happen that will educate and encourage the mass of potential user to take the step. I also want to make sure that we have covered our asses when they finally walk in through the doors. It's a choice between being amatuer enthusiasts or professionals. If we come across as professionals people won't give a toss about geekyness. -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.djcj.org - The Linux Audio Users guide ======================================== "Um...symbol_get and symbol_put... They're kindof like does anyone remember like get_symbol and put_symbol I think we used to have..." - Rusty Russell in his talk on the module subsystem

22 years, 1 month

[linux-audio-dev] [ANN] AlsaPlayer 0.99.75

by Andy Lo A Foe

Hello, AlsaPlayer 0.99.75 is out! This is mainly a bugfix release. Support was added for the ALSA dmix plugin (use -dplug:dmix) to support multiple instances on soundcards without hardware mixing. There were also some imrpovements in shoutcast/icecast stream handling. Basic transport control for the jack output system was added, as were some extra remote control parameters (--pause, --status, --quit). Get your copy at: http://www.alsaplayer.org/alsaplayer-0.99.75.tar.bz2 http://www.alsaplayer.org/alsaplayer-0.99.75.tar.gz ftp://ftp.alsa-project.org/pub/people/andy/alsaplayer-0.99.75.tar.bz2 ftp://ftp.alsa-project.org/pub/people/andy/alsaplayer-0.99.75.tar.gz As always, report bugs, comments, etc. to the alsaplayer-devel mailing list... Enjoy! Andy @ alsaplayer.org http://www.alsaplayer.org

22 years, 1 month

[linux-audio-dev] ANN: SoundPanel Beta Release

by Fred Gleason

I'm pleased to announce the initial public beta release of SoundPanel, an application for the organization and playout of audio cuts. Targeted for use in busy Broadcast and Live Performance environments, SoundPanel is capable of referencing hundreds or thousands of audio cuts, making them easily available both on programmable "panels" of buttons and via SoundPanel's built-in search engine. The intent throughout is to provide *fast* access to a large spectrum of audio. SoundPanel Features and Benefits: Optimized for speed. Any audio in the entire array can be located and played within a few seconds. Support for both ALSA-0.9.x and AudioScience HPI sound drivers. Dynamically-sized panel arrays allow for indexing and access of thousands of cuts, limited only by the physical capacity of the underlying filesystems. Built-in audio recorder allows audio to be recorded directly to an array button, without the need for a separate recording application. Integrated CD ripper allows CD tracks to be ripped directly to array buttons (uses the CDParanoia ripper engine). Built-in hooks to allow seamless use with an external audio editor. All configuration and setup done using point-and-click interfaces -- *no* arcane configuration files to edit! Completely free and open -- no dongles, unlock codes, software keys or other arbitrary limitations. SoundPanel is available now under the GNU Public License. Full source code, screen shots and RPMs for select Linux distributions are available at the Salem Radio Labs web site: http://www.salemradiolabs.com/ Cheers! |-------------------------------------------------------------------------| | Frederick F. Gleason, Jr. | Salem Radio Labs | | Voice: 1-(540)-341-2880 | 87 Lee Highway, Suite 11 | | FAX: 1-(540)-341-7176 | Warrenton, VA 20188 | |-------------------------------------------------------------------------| | "You see, wire telegraph is a kind of very, very long cat. You pull | | his tail in New York and his head is meowing in Los Angeles. Do you | | understand this? And radio operates exactly the same way: you send | | signals here, they receive them there. The only difference is that | | there is no cat." | | | | -- Albert Einstein, upon being asked to describe radio | |-------------------------------------------------------------------------|

22 years, 1 month

[linux-audio-dev] low latency questions

by Maarten de Boer

Hello, I have two low-latency questions: - How do 2.4.20 (LL+preempty) and 2.5.68 compare? Are there any patches for improving latency on 2.5.68? - NVidia drivers, being closed source, might contain long codepaths which are not patches by the LL patches. Does anybody have bad experiences with NVidia cards that confirm this, or do they seem to work correctly? Thanks. Maarten

22 years, 1 month

Re: [linux-audio-dev] low latency questions

by Taybin Rutkin

I have a Nvidia motherboard with an embedded nvidia graphics chip and ethernet card and soundcard. It's all fairly closed source. Excepting the soundcard, which I haven't gotten to work (I use an ice1712 and an sb512), I can fairly reliably run jack at -p 512. Taybin -------Original Message------- From: Maarten de Boer <mdeboer(a)iua.upf.es> Sent: 04/28/03 11:55 AM To: linux-audio-dev(a)music.columbia.edu Subject: [linux-audio-dev] low latency questions > > Hello, I have two low-latency questions: - How do 2.4.20 (LL+preempty) and 2.5.68 compare? Are there any patches for improving latency on 2.5.68? - NVidia drivers, being closed source, might contain long codepaths which are not patches by the LL patches. Does anybody have bad experiences with NVidia cards that confirm this, or do they seem to work correctly? Thanks. Maarten >

22 years, 1 month

[linux-audio-dev] New LADSPA Plugin

by Alfons Adriaensen

Hello list, A new LADSPA plugin, "moogvcf-1.1", has just been uploaded to <http://alsamodular.sourceforge.net>. It contains three versions of the 24 dB/oct lowpass Moog VCF, in which I try to emulate some of the non-linear behaviour of the original. Enjoy ! FA -- Fons Adriaensen ALCATEL SPACE

22 years, 1 month

[linux-audio-dev] Jack Zombified??

by Nick Tsocanos

What does it mean when it says "zombified -- exiting from JACK". Why exactly is it becoming a zomby or what does it mean and, how do I reconnect if it does that? It seems to do it intermittently without any clue why it does it. Thanks

22 years, 1 month

[linux-audio-dev] SoundFontCombi v0.012 Last Alpha Release.

by holborn

Hi. New release ... Important news in v0.0012 ------------------------- * Added 1 Midi Inputs and 4 Midi Outputs. (Now two INs and six OUTs) * Added 2 small utilities for convert Combis and Banks to this new version. * Added new command line functions * Now SountFontCombi recognizes program change. (1-44) * Solved bug in bank window, now display the names correctly when you load a new bank.(sorry for that). * Solved command line segfault when load confi * Solved "many" other minor bugs. And of course new bugs added :-). Bad News * Due the changes made in v.0012 you need to REWRITE your configuration. Take a look http://personal.telefonica.terra.es/web/soudfontcombi/sfc1.png Sources availabes in: http://personal.telefonica.terra.es/web/soudfontcombi/sfc-v0.012.tar.gz Binaries availables in: http://personal.telefonica.terra.es/web/soudfontcombi/sfc-bin-v0.012.tar.gz

22 years, 1 month

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Linux-audio-dev