Linux-audio-dev

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3 participants
7535 discussions

by thijs van severen

Hi all My name is Thijs and i have been helping out with Hydrogen for some time now (mainly manual, website and a tiny bit of coding) Anyway, since jack_session support was recently added to Hydrogen (in V0.9.6 that is currently still in development but available from svn via hydrogen-music.org) i decided to test jack_session a bit and i must say i'm really exited about this :-) IMHO this is the most critical piece of the puzzle and it makes linux audio _so_ much more usable! so lots of KUDOS to everyone that has been working on it !! I have done several 'intro sessions' for Mac audio users and they are generally really impressed with what they see, but the lack of a good session management mechanism is a real showstopper for them... (i know there are other options, but none of those have ever allowed me to truly save my session *at any given moment*) however, the first thing that slowed me down was simply knowing what apps already support jack_session i know that jack_session is fairly new, so it's normal that some info is missing, but it would be great if the websites out there that list the available linux audio apps (like http://apps.linuxaudio.org/apps/categories/jack) would also indicate if the app supports jack_session the jack_session page on the jackaudio.org wiki<http://trac.jackaudio.org/wiki/WalkThrough/User/jack_session>also lists a number of apps, but i don't think it's up to date, is it ? any comments? grtz Thijs PS: i'd be happy to help out with documenting jack_session if needed PS: it would be nice to have a 'jack_session enabled app' banner to put on the site of the apps that support it. graphical designers ? -- follow me on my Audio & Linux blog <http://audio-and-linux.blogspot.com/> !

14 years, 5 months

[LAD] interesting article on why most "music apps" fail

by Paul Davis

the discussion is about consumer-oriented apps, but its an interesting one anyway ... http://www.billboard.biz/bbbiz/industry/digital-and-mobile/why-most-music-a…

14 years, 5 months

[LAD] [LAA][ANNOUNCE] New LV2 Soft Synth: The Newtonator v0.5.0

by Michael Bechard

Brand new LV2 plugin soft synth here. The Newtonator (v0.5.0) features: * LV2-compliant synth plugin * Simple, easy-to-use GTK-based GUI * 3-note polyphony (err, um, until I can do some serious optimization) * "Unique" synthesis algorithm (Tuna Pagan Fellowship) The Newtonator specializes in making crazy, harsh sounds, so if you're looking for some sounds to produce the next Yanni album, keep looking. Please refer to the user manual (http://newtonator.sourceforge.net/manual/index.html) for more gory details. Download: http://sourceforge.net/projects/newtonator/files/newtonator-0.5.0.tar.gz/do… NOTE: This plugin was written against the excellent libraries included in the lv2-c++-tools package written by Lars Luthman. However, as of v1.0.4, the GUI library only supports rev. 2 of the LV2 specification, so it may have problems on newer hosts (though I have done some (very) preliminary testing against Ardour3 and it seems to work ok). Alpha testing mostly done against zynjacku and Elven (comes with ll-plugins package) hosts. This puppy's in beta, so feel free to get in touch with me at the project forum (https://sourceforge.net/projects/newtonator/forums/forum/1820765) or submit a bug if needed. Thanks, and have fun. Michael Bechard https://sourceforge.net/projects/newtonator/

14 years, 5 months

[LAD] RT-Safe UI/Engine Decoupling using Functional Programming and Reference Counted SmartPointers

by Florian Paul Schmidt

Hi, during the process of writing a new small jack sampler which fits my workflow I came up with this little scheme to solve the UI/engine decoupling problem. For the purpose of spreading the idea or alternatively getting answers about how it's broken and sucks I decided to write a little article describing it.. http://178.63.2.231/~tapas/wordpress/?page_id=45 The (largely unfinished and unusable) sampler project is here: https://github.com/fps/jass Let me have it.. Regards, Flo

14 years, 6 months

[LAD] [HELP WANTED] ALSA Driver developer

by Gabriel Beddingfield

All: A recruiter approached me looking for an ALSA driver developer to enhance an existing driver. This is a short-term, off-site gig. Some details below. Please contact Mr. DeAmelio directly. Thanks, Gabriel ---------- Forwarded message ---------- From: David DeAmelio <david_deamelio(a)oxfordcorp.com> Date: Tue, Aug 16, 2011 at 2:29 PM Subject: Job Description - Oxford International To: gabrbedd(a)gmail.com Hey Gabriel, Here’s the description….Thanks. Location: OFFSITE Start Date: ASAP Duration: 1-2 Weeks Manager needs consultant to come onsite for 1st few days. Client will pay for flight there and back. Must: Linux ALSA Device Drivers—Alsa- advanced linux sound architecture Blackfin Plus: D2D: Consultant will be enhancing an audio driver to support a voice quality recorder __________________________________ David De Amelio Team Lead Software/Hardware Consulting Services Oxford International a division of Oxford Global Resources 100 Cummings Center Suite 206N Beverly, MA 01915 877.258.9982 x 7608 Office 978.922.7547 FAX david_deamelio(a)oxfordcorp.com www.oxfordcorp.com Oxford Europe The Right Talent. Right Now.® This e-mail, and any attachments thereto, is intended only for the addressee(s) named herein and may contain privileged and/or confidential information. If you are not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, immediately notify the sender by return e-mail and permanently delete the original, including any attachments thereto, and any copy and printout thereof.

14 years, 6 months

[LAD] Yoshimi Midi Learn: 1st testing release

by louis cherel

Hello everyone, Every one knows Yoshimi, the fork of ZynAddSubFx. One thing was lacking to yoshimi to be perfect: to be nearly fully controlled by midi controls ( no OSC, sorry ). ZynAddSubFx had possibilities to control a few parameters with complicated NRPN, Yoshimi recently had ( in the test versions ) some features too. But now I'm proud to announce you the work of licnep ( not me, I'm just a bug reporter ) who made the "midiLearn" function for yoshimi. It's not stable for now because it's recent, and not full, but here are the present features: * Control System effects, Part Insert Effects * Master/Part Volume, Pan, System Effect Sends * Most of ADsynth parameters * Add/Remove controller * detect the channel and the number * reset the knob ( its position ) I think it's a feature that's very useful and could help many yoshimi/zyn users. To use it, that's simple: connect your controller to yoshimi, right-click on a blue knob ( yellow are ones which are not supported for now ) and click "midi Learn" move your controller, it detects automatically the controller. To see and modify controllers, go to the Yoshimi> MIDI controllers menu. To erase midi control of a knob, simply right click on it and click on "remove midi control" Here is the gitHub repository: https://github.com/licnep/yoshimi To download and install it, follow the explications link ( gitHub ): https://github.com/licnep/yoshimi/wiki/How-to A light page to understand how to control others not implemented controllers: https://github.com/licnep/yoshimi/wiki/Source-code Pages to follow the news of the project: Facebook: https://www.facebook.com/pages/Yoshimi-midi-learn/224823617534934 Twitter: http://twitter.com/#!/YoshimiMIDI So if you're interrested, all bug requests are deeply recommended. Cheers, Louis CHEREL.

14 years, 6 months

[LAD] [ANN] WIP - Jass, a Jack Simple Sampler

by Florian Paul Schmidt

Hi, I decided, on a whim [release early, release often], that the code is somewhat usable now. Grab the software via git clone https://github.com/fps/jass.git then read the INSTALL file.. https://github.com/fps/jass/blob/master/INSTALL There might be quite a few kinks and development will stay active the next few days.. Patches for features/fixes gladly accepted.. A screenshot from just an hour ago or so: http://i.imgur.com/xygf6.png Quick Tut: Shift-Doubleclick to audit a sample Doubleclick to load it.. Known Bugs: - Velocity mapping still broken (at least the GUI part) TODO: - Add nice piano widget to set note ranges and central note.. - Actually use libsamplerate to convert sample to jack samplerate Regards, Flo

14 years, 6 months

Re: [LAD] [LAU] mp3tom4a via find and ffmpeg

by guerrier

On Fri, Aug 12, 2011 at 1:36 PM, David <dplist(a)free.fr> wrote: > On Fri, 12 Aug 2011 13:10:58 -0400 > guerrier <guerrier(a)gmail.com> wrote: > >> hello >> >> can someone please help me with this? >> >> i can find all the mp3s in a directory and its sub-directories with >> this: >> >> find -name "*.mp3" >> >> i can also ffmpeg a mp3 to m4a with this: >> >> ffmpeg -i INPUT.mp3 -y -acodec libfaac -ab 192k OUTPUT.m4a >> >> now, i would like to pipe all that find finds into ffmpeg. > > You could try something like this : > > find . -name '*.mp3' | while read f > do > ffmpeg -i "$f" -y -acodec copy -ab 192k "${f%.mp3}.m4a" > done > > That should properly handle filenames containing spaces. > > HTH > > -- David > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user > Many thanks. I'll try it and report back. guerrier

14 years, 6 months

[LAD] mp3tom4a via find and ffmpeg

by guerrier

hello can someone please help me with this? i can find all the mp3s in a directory and its sub-directories with this: find -name "*.mp3" i can also ffmpeg a mp3 to m4a with this: ffmpeg -i INPUT.mp3 -y -acodec libfaac -ab 192k OUTPUT.m4a now, i would like to pipe all that find finds into ffmpeg. thanks guerrier

14 years, 6 months

[LAD] [ANN] WIP - JS-Wrap

by Florian Paul Schmidt

In the tradition of releasing (or at least announcing)buggy, mostly untested software, here's: js_wrap - a simple wrapper for non Jack-Session aware apps whose state can be fully specified by their commandline Use js_wrap -- gnome-terminal if you want to get a gnome terminal in your jack_session.. Or js_wrap -- a2jmidid if you want to have the alsa to midi bridge in your jack_session.. Get the software via copy and paste of the following commands: git clone https://github.com/fps/js_wrap cd js_wrap mkdir bld cd bld cmake .. cd .. make -C bld sudo make install and get to fixing bugs ;D In my experiments it worked just fine with gnome-terminal though there are some errors and the code is pretty much copy-pasta'd from lash_wrap... So expect breakage and panic and hilarity which will ensue.. Always use condoms, Flo

14 years, 6 months

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Linux-audio-dev