Linux-audio-dev

linux-audio-dev@lists.linuxaudio.org

3 participants
7520 discussions

by Dave Phillips

Greetings: I'm spiffing up the Linux soundapps site, adding logos to the front page. I'm missing logos for Ardour and Rosegarden, are they around anywhere ? I'll try to update the site tonight, I'll be happy to add any new logos as I receive them. Please send them to me off-list, thanks. I have these already: linuxaudio.org LAD LAU Demudi dynebolic Planet CCRMA APODIO Studio To Go Musix 64Studio JackLab LAM ALSA JACK LADSPA FST Audacity ReZound ecasound Sweep Hydrogen CLAM Csound RTCmix LinuxSampler MusE seq24 BEAST xiph.org GRip Freewheeling Best, dp

19 years, 7 months

[linux-audio-dev] [ANN] realtime-lsm 0.8.6 available via SourceForge

by Jack O'Quin

Download links (once SF finishes updating mirrors)... http://prdownloads.sourceforge.net/realtime-lsm/rt-lsm-0.8.6-kernel.patch.g… http://prdownloads.sourceforge.net/realtime-lsm/realtime-lsm-0.8.6.tar.gz?d… The Realtime Linux Security Module (LSM) is a loadable extension for Linux 2.6 kernels. It selectively grants realtime permissions to specific user groups or applications. This release provides the kernel patch formerly included in Andrew Morton's kernel development tree. This module is no longer available there, so I am releasing it for download via SourceForge. The kernel developers prefer their own rlimits solution for granting realtime privileges. Since that is their responsibility, I defer to their feelings. Since their solution requires PAM updates which have been very slow to appear in end-user distributions, I continue to provide this (simpler) solution via SourceForge for those who need it. There are no new features. You need not update, if an older version still works for you. This patch is not actively being developed, but I will continue to provide support as needed for the many users of distributions still lacking the required PAM updates for the rlimits solution preferred by the kernel developers. This release only supports kernel version 2.6.6 and newer. For older kernels, realtime-lsm-0.1.1 is still available. This LSM was written by Torben Hohn and Jack O'Quin, who make no warranty concerning the safety, security or even stability of your system when using it. But, if you do have problems, please report them on the linux-audio-user(a)music.columbia.edu mailing list -- joq

19 years, 7 months

[linux-audio-dev] LV2 Logo again

by Thorsten Wilms

Hi! So LV2 will be the name by benevolent dictator descision :) More work on the logo: http://affenbande.org/~thorwil/wordpress/2006/05/19/lv2-5/ It's still a bit rough, so a few things might not be lined up perfectly, line width may be slightly inconsistent, but it should be good enough to get the idea and judge the overall shapes. I tried to bring in the idea of things connecting to build a whole. A puzzle in a way. I would like to hear of preferences (2 picks are better than 1), dislikes, and pointers to what could be improved with a specific variation. Cheers, Thorsten Wilms

19 years, 7 months

[linux-audio-dev] Skype, ekiga, audacity, other audio util probs.

by Gene Heskett

Greetings everybody, this time I'm temporarily a Yupee, as in upstate michigan. I brought a laptop along, with linux on it, FC5, 386 version on an AMD64 turion in an HP dv5320us laptop.. The audio chipset in this is, from an lspci -v: 0:14.5 Multimedia audio controller: ATI Technologies Inc IXP SB400 AC'97 Audio Controller (rev 02) Subsystem: Hewlett-Packard Company Unknown device 30a4 Flags: bus master, 66MHz, slow devsel, latency 64, IRQ 11 Memory at c0003400 (32-bit, non-prefetchable) [size=256] Capabilities: [40] Message Signalled Interrupts: 64bit- Queue=0/0 Enable- The problem is that anything that requires it to handle a full duplex audio stream falls over very quickly. Skype in 10 seconds, ekiga even quicker, and in audacity, it will record great, and it will playback what it records great, but if you ask it to play as it records like one would do for overdubs and such, the sound in the headphones represents only that amount of the audio that may have hit the rails in the a-d, very chopped up, and often sounding like an echo thats cut into 2ms pieces and spread out over the next 30 seconds. Is there any known cure for this other than sueing HP for such a shitty piece of hardware that cost me about $1399 at CC? That of course will be a waste of time because their warranty shop says any and all warranties on it were null and void the instant I put a linux dvd in the drive. Any hints that result in getting something like skype or ekiga working will be applied with many profuse thanks offered. -- Cheers, Gene

19 years, 7 months

Re: [linux-audio-dev] LV2 Logo again

by Thorsten Wilms

On Fri, May 19, 2006 at 12:57:34PM -0500, Eric Shattow wrote: > > How about using roman numerals in the logo? L|vii| ;) Already through it. Doesn't look that great and Steve and me would rather like to avoid any possible LV 2 vs LV II confusion. Should there ever be a LV 10, it should be LVX, though, because that's so cool ;) --- Thorsten Wilms

19 years, 7 months

[linux-audio-dev] more questions on FST

by Aaron Krister Johnson

Hi all- I tried fst-1.7 under the latest version of wine on my Slackware 10.1 system--no luck still. I'm beginning to think that fst is not playing nice with glibc-2.3.4 Can someone who has used Kontakt under Linux share the output of /lib/libc.so.6 here with me so I can compare? Also, if glibc is indeed the problem, is there smething I can change in the fst code that would make it work with my current version if I can show debugging info--I prefer not to go through the headache of overhauling my entire system if there's a uick fix in fst code instead. Another question--barring that, if I do replace glibc, will I have to recompile my kernel, wine, etc? Best, Aaron.

19 years, 7 months

Re: [linux-audio-dev] LV2 Logo again

by Thorsten Wilms

On Fri, May 19, 2006 at 11:28:31AM -0500, Eric Shattow wrote: (snip) Not I decided, but Steve. Given his effort he has all the right to do so as far as I'm concerned and I support this decision. Please keep this thread clean of debate about the name from now. Best the whole list, actualy ;) --- Thorsten Wilms

19 years, 7 months

[linux-audio-dev] Alsa sequencer - starting a track in the middle and looping

by Kevin Hremeviuc

Hi all, <the problem> Trying to implement starting the playing of a track at a user defined cursor position (not at the start). Also trying to implement looping. Anybody got any info or code snippets that could help (c or c++ - not too complicated though and without too much tangential code). I am sorry but I find the alsa documentation not very helpful. The documentation of the concept of the sequencer is either out of date or in another case just enough to get people going. The api documentation is just woe-ful. I have had to constantly look at other peoples' code (and try to understand what they were up to). Have I missed finding some top notch documentation? </the problem> <program description> Java based gui programme using the java native interface (JNI) and a c library to access alsa sequencer. Java allows for a high level of platform independence. The c library, accessed via the JNI, can be re-written to interface with various libraries like portmidi to allow for full platform independence (with some caveats no doubt). The concept is the usual song has tracks, which have parts which have events. Each track also has a global part for automation data (volume, pan etc). Each track has 64 patterns (parts). The sequencer allows for a looping audition mode (using the selected pattern from each track ). Song mode allows these patterns to be inserted on a per track basis as required to create an arrangement. At the moment the sequencer ends up being very jack and linux oriented in that many jack audio applications are started up and managed by the application itself. I am not sure how this would translate onto windows. Also because many independent jack applications are being run things like jackrack also need to be run (for effects) and jack connections managed. If there is a windows equivalent maybe someone could let me know (I haven't touched windows in years except at uni and in the workplace). </program description> <personal backgound info> I finished uni at the end of last year (after many years of working full time and studying at half load, then finally studying full time) and have had some time on my hands. I have now fully revised a lot of stuff for getting a job (2 interviews in 5 months - so it's pretty slow going), built a business web app using java JSPs, java tag libraries, struts and JDO JPox for my wife and now I am working on some old code to build a midi sequencer based around the way I like to make music (patterns and automation). </personal backgound info> Sorry about the above waffle but it explains why have subscribed to this list for quite a few years and never contributed anything. Thanks Kev Send instant messages to your online friends http://uk.messenger.yahoo.com

19 years, 7 months

[linux-audio-dev] fst problems

by Aaron Krister Johnson

Hi, I've recently compiled fst-1.7 on a Slackware 10.1 system. Wine version is wine-20050310. I get the following error when I issue this command to try the "Kontakt2Demo.dll": root@aaron:~/fst-1.7# ./fst /home/akj/Desktop/Kontakt2Demo.dll and this is what happens: wine: Unhandled exception (thread 0009), starting debugger... WineDbg starting on pid 0x8 Unhandled exception: page fault on read access to 0x40fffd80 in 32-bit code (0x4000a753). In 32 bit mode. Register dump: CS:0073 SS:007b DS:007b ES:007b FS:0033 GS:0000 EIP:4000a753 ESP:40e5f8e4 EBP:40e5f9dc EFLAGS:00210202( - 00 - -RI1) EAX:40fffd80 EBX:40015ff8 ECX:00000000 EDX:40e5f90c ESI:40e5fa24 EDI:40015cc0 Stack dump: 0x40e5f8e4: 00000000 00000000 00000000 00000000 0x40e5f8f4: 00000302 40166d20 7800305c 78003058 0x40e5f904: 000041ed 00000000 00000000 00000000 0x40e5f914: 00000000 00000000 00000000 00000238 0x40e5f924: 00000000 00020000 00000001 00000000 0x40e5f934: 446a1bb0 00000000 443fcf84 00000000 Backtrace: =>1 0x4000a753 _dl_catch_error in ld-linux.so.2 (0x40e5f9dc) 2 0x401672c1 _dlerror_run in libdl.so.2 (0x40e5fa0c) 3 0x40166cf1 GLIBC_2 in libdl.so.2 (0x40e5fa3c) 4 0x400335cc wine_dlopen in libwine.so.1 (0x40e5fa58) 5 0x40032d17 wine_get_es in libwine.so.1 (0x40e5fa88) 6 0x400332b8 wine_dll_load in libwine.so.1 (0x40e5fab4) 7 0x401a92bf in ntdll (+0x292bf) (0x40e5fd04) 8 0x401a9c10 in ntdll (+0x29c10) (0x40e5fd9c) 9 0x401a75c7 call_dll_entry_point in ntdll (0x40e5fe44) 10 0x401a7b27 call_dll_entry_point in ntdll (0x40e5fe78) 11 0x401aa758 LdrInitializeThunk in ntdll (0x40e5ff20) 12 0x404e7f8b in kernel32 (+0x47f8b) (0x40e5fff4) 13 0x40033cbd wine_switch_to_stack in libwine.so.1 (0x00000000) 0x4000a753 _dl_catch_error+0x43 in ld-linux.so.2: movl 0x0(%eax),%ecx Wine-dbg> Any thoughts? Best, Aaron.

19 years, 7 months

Re: [linux-audio-dev] 3D fft analysis program

by Downer

> I'm hoping that you're thinking of a realtime display, in which the > peaks roll off to create a true waterfall effect. Baudline (http://www.baudline.com) is a fantastic viewer that does fft cascade. I've used it for a couple of years, and it is great for figuring out how different sounds "work", and it has an oscilloscope-type display as well. Cheers, Jason Downer

19 years, 7 months

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Linux-audio-dev