Linux-audio-dev March 2004

linux-audio-dev@lists.linuxaudio.org

73 participants
85 discussions

[linux-audio-dev] Re: [Jackit-devel] Sample auditor

by james＠dis-dot-dat.net

On Sat, 06 Mar, 2004 at 12:37AM -0900, Patrick Stinson spake thus: > negative. Ach. I have a feeling it's something to do with my nasty directory browsing thingy. How many files do you have in the directory? If it's just a few, could you package it up and send it to me? If it's a lot, could I be really cheeky and ask you to try it with a small number of files in a dir and see what happens? If it still dies, send me a tarball of the small directory? Thanks for trying James > On Saturday 06 March 2004 00:50, you wrote: > > On Fri, 05 Mar, 2004 at 06:32PM -0900, Patrick Stinson spake thus: > > > yeah, it doesn't show any samples for me, and when I hit enter it seg > > > faults. > > > > Whooo! My coding skillz is ace today! > > > > Try making sure the path you give it has a trailing slash. > > > > > cool idea, though! > > > > Cheers > > > > > On Friday 05 March 2004 12:45, james(a)dis-dot-dat.net wrote: > > > > Hi peeps, > > > > > > > > I made something! > > > > > > > > It's a simple sample auditor called sauditor that uses a curses > > > > interface and displays a spectrum analyser. > > > > > > > > It's not that great, but it does what I wanted it to. I also have a > > > > lot more ideas, but that's for when I have time. > > > > > > > > It outputs to jack and has a very simple interface. The spectrum > > > > analyser is there because I like to "see" my sounds - get a good idea > > > > of how much of the spectrum they fill - so I ca, say, pick subs that > > > > really are subs and aren't going to mush up my kicks, or choose > > > > strings that really feel big. > > > > > > > > If you like it, let me know. If not, then f#!* you. Only kidding, > > > > criticism is graciously accepted, even encouraged. > > > > > > > > It's at http://dis-dot-dat.net/code/sauditor/ > > > > > > > > James > > > > > > > > > > > > This SF.Net email is sponsored by: IBM Linux Tutorials > > > > Free Linux tutorial presented by Daniel Robbins, President and CEO of > > > > GenToo technologies. Learn everything from fundamentals to system > > > > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > > > > _______________________________________________ > > > > Jackit-devel mailing list > > > > Jackit-devel(a)lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/jackit-devel > > > > > > This SF.Net email is sponsored by: IBM Linux Tutorials > > > Free Linux tutorial presented by Daniel Robbins, President and CEO of > > > GenToo technologies. Learn everything from fundamentals to system > > > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > > > _______________________________________________ > > > Jackit-devel mailing list > > > Jackit-devel(a)lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/jackit-devel > > > This SF.Net email is sponsored by: IBM Linux Tutorials > Free Linux tutorial presented by Daniel Robbins, President and CEO of > GenToo technologies. Learn everything from fundamentals to system > administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click > _______________________________________________ > Jackit-devel mailing list > Jackit-devel(a)lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jackit-devel >

20 years, 9 months

[linux-audio-dev] IRQ rotation

by Steve Harris

Hi all, This has been discussed briefly before: http://www.music.columbia.edu/pipermail/linux-audio-user/2003-March/002834.… It used to be possible (in the 2.0 kernel series) to the rotate priority of IRQs on the two controllers. This sounds really good as on my laptop the soundcard is welded to IRQ5 (very low priority) and everything else is on IRQ10 (higher, c.f. http://myweb.cableone.net/eviltwin69/Arcana.html sec 2.4), so I can only run the card with big buffers. The tool used to do the rotation was irqtune: http://cae.best.vwh.net/irqtune/ I'm downloaded it, hacked it to work with 2.4, but it doesnt seem to do anything (no errors, but no action either AFAICT). I'm wondering if somene here knows enough about the kernel to have a clue why its not doing anything. I can mail a patch to anyone whos interested, but as I said it doesnt work at the moment. I'm replacing this laptop soon, so its mostly academic interest, but it might have been of use to someone. Possibly something similar can be done with APIC, but it didn't seem to work very well on this machine last time I tried. - Steve

20 years, 9 months

[linux-audio-dev] Sample auditor

by james＠dis-dot-dat.net

Hi peeps, I made something! It's a simple sample auditor called sauditor that uses a curses interface and displays a spectrum analyser. It's not that great, but it does what I wanted it to. I also have a lot more ideas, but that's for when I have time. It outputs to jack and has a very simple interface. The spectrum analyser is there because I like to "see" my sounds - get a good idea of how much of the spectrum they fill - so I ca, say, pick subs that really are subs and aren't going to mush up my kicks, or choose strings that really feel big. If you like it, let me know. If not, then f#!* you. Only kidding, criticism is graciously accepted, even encouraged. It's at http://dis-dot-dat.net/code/sauditor/ James

20 years, 9 months

[linux-audio-dev] ladspa.h.diff

by Tim Goetze

the attached patch proves that LADSPA can be extended without breaking binary compatibility. i've compiled plugins against a patched ladspa.h and run them in hosts compiled against ladspa.h version 1.1 without experiencing any problems. also attached is a short test program that demonstrates how the extensions provided by the patch can be put to use. to demonstrate various possibilities and their relative ease of use, the patch implements the following extensions: hints: * connect_port (NULL) is ok hint member extensions to the descriptor: * Version (major, minor) * Latency * char ** PortUnits * LADSPA_Data * DefaultValues * LADSPA_PortValueEnum ** PortValueEnum the PortValueEnum is a structure having a char * Label and LADSPA_Data Value member associating a value with a label. this arrangement is deemed to suit integer enumerations as well as arbitrary association of values with a label. while the patch follows the general style of the original ladspa header, more sophistication would probably need to go into it for a production version, especially into the comments describing the extended version mechanism and members. vriendelijk, tim

20 years, 9 months

[linux-audio-dev] [ann] caps 0.1.10

by Tim Goetze

caps 0.1.9 -> 0.1.10: * all amplifier emulation plugins have been fitted a new tube model and a preamplifier frequency response improving a lot towards circuit simulations and measurements. * the Cabinet amplifier combo/speaker emulation has been changed to run calculations 64 bits wide, for much clearer sound. in effect, a complete emulation chain (AmpIII -> Cabinet) sounds warmer and brighter now. - minor improvements in other places. changelog, download etc: http://quitte.de/dsp/caps.html as always, your feedback is appreciated. the first five caps users reporting their experience will even enter a draw for a handcrafted, free piece of music of the finest make! enjoy, tim

20 years, 9 months

[linux-audio-dev] [LOCAL] People travelling to the conference from the UK

by Steve Harris

If anyone else wants to get together to get a ticket on the same flight that would be cool. Makes waiting in the airport less dull and we can share taxis at the far end. Its still (just) early enough to get cheap flights to Frankfurt. The flights I'm thinking of are: BA0908 LHR to FRA, leaving 12:30 Wed 28th Apr BA0911 FRA to LHR, leaving 18:45 Sun 2nd May but I havent decided yet, there are quite a few flights. total cost is UKP 78.50 inc taxes and stuff, the train from Frankfurt to Karlsruhe is frequent, fast, comfortable and cheap (EUR 30ish). The lowcost airlines do cheap flights to "Frankfurt", but its to an airport thats a long way from the city, and the times are very inconvienient. Additionally if anyone wants to share a taxi from Southampton to Heathrow that would be even better :) Otherwise I'l schlep up on the train I guess. - Steve

20 years, 9 months

[linux-audio-dev] ZynAddSubFX uses XML format - please test it

by Nasca Paul

ZynAddSubFX is using XML files Hi. I am Paul, the author of zynaddsubfx. For those who you don't know about it: is a software synthsizer for linux and windows and is located at http://zynaddsubfx.sourceforge.net I added many things from 1.4.3. The most notable is the XML support. I have the intention to drop the compatibility to the old formats (mas_zyn) since 2.0. Anyway, the code for using this format is still inside zynaddsubfx to make possible to write a file converter. Now, zynaddsubfx requires 2 new libraries: an excelent library called Mini-XML (http://www.easysw.com/~mike/mxml/) and zlib. Also, the banks are not longer stored into a single file; now, the banks are stored as instruments into a directory. This make very easy to manage the banks, with any file manager. You can checkout the cvs version; see http://sourceforge.net/cvs/?group_id=62934 for details. Also, if you don't want to use cvs you can download the version from 3 March 2004 from: http://zynaddsubfx.sourceforge.net/zynaddsubfx_cvs.tar.bz2 (Please notice that this link is temporary) There are other features that will be documented into 2.0. Until then, there is more do be done :) Please test it and report if happens to save a file to XML and if is not loaded all parameters (It is possible that I missed some parameters from XML, but I hope not ;) ) Paul P.S. There is a ChangeLog inside the arhive, but is Romanian ;) (few parts are English) __________________________________ Do you Yahoo!? Yahoo! Search - Find what you�re looking for faster http://search.yahoo.com

20 years, 9 months

[linux-audio-dev] [ANN] First public release of Lindrum v 0.5.1

by peschler＠t-online.de

Hi LADs, Lindrum is an open-source drummachine that offers ten channels, realtime control, a simple pattern sequencer and a graphical user-interface. It currently runs under Linux only, it is developed in C++ and uses JACK, ALSA, Qt and LADSPA. More infos and downloads can be found at: http://www.sinussource.de/lindrum/ This is the first public release, so i am strongly interested in any kind of feedback. I also want to thank all the people on this list for their excellent work, you're the ones who made and make developing audio applications under linux so cool. Keep it going! Btw: Lindrum uses two selfmade C++ wrapper libraries called jackpp and ladspapp. They are contained in the lindrum tarball. Since they might be interesting standalone too, they are available as separate tarballs at the above url (check the end of the page). Bye and have fun, Peter Eschler -- "Without music, life would _O_/ \_O_/ +----------------------+ be a mistake - I would / )) [] | Peter Eschler | only believe in a god who \\ // | peschler(a)t-online.de | knew how to dance." (Nietzsche) // \\ +----------------------+

20 years, 9 months

[linux-audio-dev] Building qarecord and alsamodularsynth

by Mark Johnathan Greenaway

I'm quite a fan of alsamodularsynth and have been recommending it to friends. The only problem I have with it is that rather than use automake/autoconf for building it has Makefiles that only work without editing under SuSE. Of course, editing the Makefiles to get it to build on other distributions and installing the required development packages is trivial. But I was hoping I could save other people the work of having to do this by writing autoconf/automake scripts. The reason I'm writing this to the list is to ask whether anyone else has already done this and can save me the trouble. I know alsamodularsynth has been packaged for other distributions, and I also know that it's being packaged for Debian (although that's been going on for a very long time, so I assume it's now stalled). One would have thought that had this work already been done, the result would have made it into the tarball on sourceforge. But stranger things have happened. -- Mark

20 years, 9 months

[linux-audio-dev] [ANN] alsamodular-1.7.6

by Matthias Nagorni

Hello, AlsaModularSynth 1.7.6 is available from SourceForge: - Speed optimizations give more voices in polyphic mode :-) - Fixed support for sustain/hold pedal. - Added VC Double Decay (a very cool envelope, suggested by Fons Adriaensen) - Added demos/example_vcdoubledecay.ams (velocity dependent). - Added Quantizer 2 (very simple module). - Fixed VC panning module. - Added pitch-dependend panorama (note that offset and gain are functional in this mode) in VC panning module. See *_pan_*.ams in the instruments folder for the new stereo effects. Try out the different modes of the VC panning (especially "Sort by pitch"), where Pan Gain should be >= 1. VC Double Decay is a double exponential decay. Ratio is the ratio of the two exponentials. Ratio = 0 will give the "normal" steady sustain. Ratio > 0 will make the envelope decay starting from the sustain level, much like in a piano or harpsichord. Citing Fons: "This is the correct model for a vibrating string that is coupled to a resonator or to another string". Have fun ! Matthias -- Dr. Matthias Nagorni SuSE Linux AG Maxfeldstr. 5 phone: +49 911 74053375 D - 90409 Nuernberg fax : +49 911 74053483

20 years, 9 months

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Linux-audio-dev March 2004