Linux-audio-dev

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7516 discussions

by Kjetil Svalastog Matheussen

http://www.notam02.no/arkiv/src/snd/ Snd-ls v0.9.2.0 --------------- Released 21.1.2005 Contains -------- Snd v7.10 from 20.1.2005 About ----- Snd-ls is a distribution of the sound editor Snd, made by Bill Schottstaedt. Its target is people that don't know scheme very well, and don't want to spend too much time configuring Snd. It can also serve as a quick introduction to Snd and how it can be set up. Install ------- 1. Edit the file config.scm, for configuration settings. 2. Run ./build 3. Run ./install as root. It is not necessarry to uninstall any previously installed versions of Snd. Snd-ls should not interfere with already installed versions. After installing, the name of the executable is "snd-ls". To uninstall, run ./uninstall Required packages ----------------- guile gtk-2 jack libsamplerate ladspa liblrdf fftw3 libxt-dev (guile-devel, gtk-2-devel, liblrdf-devel and gcc is also needed at runtime) Changes ------- 0.9.2-beta1 -> 0.9.2.0 -Updated SND to v7.10 from 20.1.2005. Many important changes. 0.9.1.5 -> 0.9.2-beta1 -Updated SND to v7.8 from 12.8.2004. Many important changes. 0.9.1.4 -> 0.9.1.5: -Made the apply-button always apply to selection if there is a selection. 0.9.1.3 -> 0.9.1.4: -Removed some options from the edit-menu that interfered with the way snd_conffile works. 0.9.1.2 -> 0.9.1.3: -Made the insert-option in the edit-menu insert monofiles into the currently selected channel. -Added libxt-dev to the list of required packages. (Thanks to robin) -Made mono-files play in both left and right channel when using Jack. 0.9.1.1 -> 0.9.1.2: -Short fix for the nodeline-class. 0.9.1 -> 0.9.1.1: -Fixed Append File edit-menu option. -Workaround for trouble with ladspa default settings. 0.9.0 -> 0.9.1: -Official announced. -Upgraded SND from 20.7.2004 to 2.8.2004 -Huge amount of testing at Notam by 14 unexperienced guinea pigs for a whole week; many bugs fixed. Links ----- Snd: http://ccrma.stanford.edu/software/snd/ Guile: http://www.gnu.org/software/guile/guile.html Credits ------- Snd is made by Bill Schottstaedt. This small package is put together by Kjetil Matheussen / Notam, with consulting help from Bill Schottstaedt. --

20 years, 9 months

[linux-audio-dev] Re: Plans/Roadmaps for 2005?

by Juhana Sadeharju

>From: Mario Lang <mlang(a)delysid.org> > >[1] http://delysid.org/tuneit.html First, I have one more project: -Overview file format for libsndfile; e.g., (min,max,rms) per block; the overview file would be used, e.g., for fast waveform drawing Then, thanks. I will check the pitch detectors you have. I have collected papers on pitch detectors if you want take a look at them -- I will check too, of course. Do you know how your code could be changed to the formant detector? It must be a harder project. Two first formants should be tracked. Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

20 years, 9 months

[linux-audio-dev] strange error from linuxsampler

by Fons Adriaensen

Hello, qsampler gives me this strange error: Loading gig file 'NON_MODAL '/home/fons/FreePiano.gig''...gig::Engine error: Failed to load instrument, cause: Can't open "NON_MODAL '/home/fons/FreePiano.gig'" I've no idea where the 'NON_MODAL' thing is coming from, or how to get rid of it... -- FA

20 years, 9 months

[linux-audio-dev] EEL web site

by David Olofson

...with some info: http://eel.olofson.net/ >From the index page: "The Extensible Embeddable Language EEL is a scripting and programming language, designed specifically for hard real time applications. The primary target areas of application are control engineering and audio synthesis, but EEL should also be suitable for game scripting and for adding scripting capabilities to real time multimedia applications." //David Olofson - Programmer, Composer, Open Source Advocate .- Audiality -----------------------------------------------. | Free/Open Source audio engine for games and multimedia. | | MIDI, modular synthesis, real time effects, scripting,... | `-----------------------------------> http://audiality.org -' --- http://olofson.net --- http://www.reologica.se ---

20 years, 9 months

[linux-audio-dev] mp3 info Q

by kurmisk

Hi folks I wanna collect some info of all my *.mp3 such as lenght (sec), samplerate(hz) , nubmer of channels (m/s), birtrate(VBR/hz) and maybe something else. Which #include <hdr.h> , typedef , and functions() i need use ? Recursive dir search i have yet. Any ideas ? Tnx in advance Alf ------

20 years, 9 months

[linux-audio-dev] Re: linux-audio-dev Digest, Vol 16, Issue 17

by Kjetil Svalastog Matheussen

Dave Robillard: > Anyone know of any other alternatives? Have you looked at rscheme? It has a realtime garbage collector and does both interpreting and compiling. http://www.rscheme.org Thereses not much documentatyion, but the source is easy to read. --

20 years, 9 months

Re: [linux-audio-dev] [semi-OT] EEL 0.1.0

by Kjetil Svalastog Matheussen

Steve Harris: > Yep, for performance coding I would say SC is the best bet, I've seen a > live coding performance, and it was very impressive. Almost enough to make > me want to use emacs. Almost ;) > > I was thinking of a live C compiler for prototyping and testing > purposes. > What a coincidence! I'm just working on something like that. This is what you are looking for: http://tinyurl.com/5bekn The url above is pointing to the cvs-entry of the file eval-c.scm in the snd sound editor. Eval-c is c-code using s-expressions (which I know you hate, allthough I don't know why, perhaps you are crazy...), compiled, linked and run on the fly. Place the cursor above an eval-c block in emacs, press ctrl+alt+x, and there it flies. (I have also added support for classes and a lot more, but those additions hasn't been made public yet.) By the way, this is the way lrdf-support is handled in snd. Quoting: " EVAL-C ------ eval-c takes as arguments lisp- and C-like blocks, generates c-code from it, and runs it. Some reasons to use eval-c: * Easy integration of c-code from within lisp. Mix C and Lisp in the same source without making it look strange. (hopefully) * Use lisp-macros to generate c-code. (There is a special macro function called "define-c-macro" that works with eval-c) * Generate/compile/link/run c-code on the fly. * Some people think prefix notation is nice. * Speed. C is faster than guile. * Hides guile-semantic to access C-code from guile. Less need to read the guile manual. * Global functions does not need to be defined at the top-level. (that is a good thing, right?) Examples. -------- The simplest fibonacci function: (define-c <int> (fib ((<int> n)) (if (< n 2) (return n) (return (+ (fib (- n 1)) (fib (- n 2))))))) The define-c macro will produce the following code: (eval-c "" (public (<int> fib (lambda ((<int> n)) (if (< n 2) (return n) (return (+ (fib (- n 1)) (fib (- n 2))))))))) The "public" macro will change the code so that it looks something like this: (eval-c "" (<int> fib (lambda ((<int> n)) (if (< n 2) (return n) (return (+ (fib (- n 1)) (fib (- n 2))))))) (<static-SCM> fib_eval_c_helper (lambda ((<SCM> n)) (return (MAKE_INTEGER (fib (GET_INTEGER n)))))) (run-now (scm_c_define_gsubr "fib" 1 0 0 fib_eval_c_helper))) And after running the "lambda", "if" and "run-now" macros, eval-c will produce and run the following c-code: int fib (int n){ if ((n < 2)) return (n); else return ((fib ((n - 1)) + fib ((n - 2)))); } static SCM fib_eval_c_helper (SCM n){ return (MAKE_INTEGER (fib (GET_INTEGER (n)))); } static void run_now_1 (){ scm_c_define_gsubr ("fib", 1, 0, 0, fib_eval_c_helper); } The first function is the fibonacci generator, and the second function is the guile-wrapper. (GET_INTEGER and MAKE_INTEGER are just simple C macros.) "run_now"-functions are run once when the file is loaded. >From guile you now have a function called "fib" which takes one argument. Hello world looks like this: (eval-c "" (run-now (printf (string "Hello world!\\n")))) First argument to eval-c is a string with compiling/linking options. Usually just "", but can be "-lsnd" or something if needed. " --

20 years, 9 months

[linux-audio-dev] Purpose ...

by Jens M Andreasen

Hi All! Occasionaly it has has been discussed on the list, the diff between free music && free music ... This one is free (as in beer): http://www.stevehackett.com/ Click on the 'Mp3 jukebox', scroll down and click play_it_all! You are allowed to listen, but not to bring it on. -- ( ) c[] // Jens M Andreasen

20 years, 9 months

[linux-audio-dev] [ann] muse-0.7.1 is released

by Robert Jonsson

Hi everybody, MusE 0.7.1 has now been released. This release is mainly a bugfix release, though a number of new features have been added. All users are encouraged to upgrade. Notable new features: - New synths + DeicsOnze from Alin Weiller + SimpleDrums from Mathias Lundgren - Audio metronome - Some new instrument definition files: + Alesis QSR,QS7 and QS8 + Access Virus + Hammond XB + Waldorf Microwave + ZynAddSubFx Notable things that are planned but not yet in this release: - Getting external-midi-sync to work again - reading of muse 0.6.x songfiles Notable bugs: - See the errata section on the homepage for the latest: http://www.muse-sequencer.org/wiki/index.php/Errata0.7 A selection of changes from the ChangeLog: * Now the length is updated when importing a midi file to a project, fixes bug: 1056994 * Disabled freewheeling for bounce functions (song.cpp:_bounce) * Fixed bug: 1094622, MidiTransform now uses new controller types * Fixed bug with custom plugin guis that caused them to be uninitialized * Fixed a crash problem when using several fluidsynths * Now fluidsynth restores most memory upon deletion * Fixed crash / hang when closing connected jack apps * Insertion of tempo events in list mastereditor added * Added support for changing time signature in list master editor * Added support for changing tempo + position of tempoevents in list mastereditor * Backported auto rec-enable from HEAD branch * Added visual feedback of marker addition in ruler as well as possibility to remove markers with shift+rmb * Made it easier to resize the last track (bug: 1041798) * Fixed bug: 966005, new projects are now called "untitled" * fixed bug: 1085791, no more crashes with delete + drag * Listedit bugfixes. Consideration of part offset used for events * Fix for bug #1085796 (when renaming channel by doubleclicking it in tracklist and a part is selected, pressing return opens editor for part) * -a (No Audio) flag added, improved Dummy audio backend * fixed import of type 0 midi files * fix midi import: tick values of tempo/signature and marker events are now properly converted to internal resolution (backport from 0.8) * Added Alsa Timer as a new timing device * Made some changes to how threads are created, for systems where thread creation has been erratic, linux2.6 in various configurations. For a complete list of changes see the ChangeLog: http://cvs.sourceforge.net/viewcvs.py/lmuse/muse/ChangeLog?rev=1.214.2.41 Regards, /MusE Development team

20 years, 9 months

[linux-audio-dev] [admin] commercial advertising on linux-audio-announce

by Joern Nettingsmeier

hi everyone! i have just accepted a commercial advertisement on linux-audio-announce, because i considered it perfectly on topic and relevant to the linux audio community. however, some of you may disagree. to let everyone decide for themselves, i'm asking advertisers to include the string [adv] or [ADV] in their subject so that subscribers who do not wish to see commercial ads can easily filter them out. feedback to my private address if possible, i'll summarize to the list. regards, jörn

20 years, 9 months

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Linux-audio-dev