Linux-audio-user April 2006

linux-audio-user@lists.linuxaudio.org

171 participants
186 discussions

[linux-audio-user] Re: LKML: Time to remove LSM

by vlad

> On Tue, 2006-04-18 at 22:44 +0200, vlad wrote: > > hi all, > > > > i don't get it! in which ubuntu package (dapper or breezy) are the rtlimits-pam-modules? > > they are not in the libpam-modules package. > > dana@polly:~$ dpkg -L libpam-modules | grep limits > /etc/security/limits.conf > /lib/security/pam_limits.so > > > > i'm using ubuntu breezy with a self-compiled kernel (2.6.14-ck9) with > > realtime-lsm. > > BTW, why is the realtime-lsm method deprecated? i think it is > > safe. PAM is quite delicate (that's why i don't want to build it myself). > > It doesn't matter what you want or what you think, it's deprecated. You > can continue using it until your distro drops it if you want. It makes > no difference. > > Since you are on Ubuntu, when you upgrade to Dapper, you do NOT need > realtime-lsm anymore. > > In the meantime, on debian and Ubuntu Breezy, PAM is not "delicate" - in > fact is it very simple to patch PAM for rlimits support. > > Dana > hello, i was confused: i thought _rt_limits (realtime-limits and not resources-limits) is an additional pam-module which is NOT included in the ubuntu libpam-modules package. since pam is the standard in every newer distribution (also breezy and debian sarge) it is (of course) easier to edit /etc/security/limits.conf then to compile the realtime-lsm. (as i understand the ubuntustudio-rlimits-patch only adds the "@audio" entries.) i did not know that it also works. thank you, vlad

18 years

Re: [linux-audio-user] High channel (>8), pro-quality sound card recommendations?

by Sampo Savolainen

Quoting Rick Wright <riwright(a)vt.edu>: > Hi All, > > I'm looking for recommendations for a high-quality desktop sound card > that has more than 8 analog inputs and outputs. I plan to use this for > real-time I/O processing of audio signals with JACK, BruteFIR, and other > > audio apps. so it has to be well supported in Linux. I need ~10 > independent (and externally accessible) analog I/O channels right now, > but would like a solution that gives me room to grow. > > I've heard recommendations for Hammerfall products on this list before > as well as syncing multiple ICE1712 cards following instructions here: > http://www.sound-man.co.uk/linuxaudio/ice1712multi.html If money isn't an issue, I would go for RME products. The HDSP9652 will give you 3 x ADAT I/O. One adat will give you 8 channels at 44.1k or 48k or 4 channels at 88.2k or 96k. With that card you would get a total of 24 or 12 channels of both input and output depending on SR. For true "room to grow" ge the HDSP MADI card and the ADI-648 for a total of 8 x ADAT I/O. That'll give you 64 or 32 channels of both input and output depending on SR. Of course, these options leave you to purchase a AD/DA converter of your liking. Which gives you more options, but costs a lot of more money. Wordclocking a bunch of m-audio delta 1010's will be a _lot_ cheaper, but it has it's downsides: you're stuck with the converters (and the options) in the 1010's and you're in for a bit of configuring to get the linked 1010's working. Also, this path needs more PCI slots. Consider this: if you really need 32 channels of 88.2k or 96k, you will need 4 PCI slots. To get to the 64 offered by the MADI option, you will need 8. The HDSP MADI only needs one. Sampo Savolainen

18 years

[linux-audio-user] VST plugins on x86_64

by Marko Srebre

Hi, is it possible at all to run VST plugins (vith fst or dssi-vst) on amd64? I have failed to compile both fst and dssi-vst (problems linking 32bit and 64 libraries). Can someone confirm a working VST plugin on amd64? I just joined the list so let me also say a big hello to everyone - it's great to be a part of such a great thing as is linux as an audio platform. I hope I can soon contribute some music made with OSS. Kind regards, Marko Srebre

18 years

[linux-audio-user] Digigram VX Pocket firmware help please

by Hamish Low

Hi, I recently bought a VX Pocket V2. Great soundcard (on windows) and finally one with linux drivers for my laptop (which will be great when it works) I've been trying various interpretations of the instructions on the ALSA page. http://www.alsa-project.org/alsa-doc/doc-php/template.php?company=Digigram&… <http://www.alsa-project.org/alsa-doc/doc-php/template.php?company=Digigram&…> but still no luck. I'm relatively new to linux and it's been a crash-course getting this far. But I'm stuck and need some help. I think maybe the instructions make assumptions about linux knowledge that I don't have - like how do I turn on module support? I'm using Demudi - a 2.6 kernel - I've installed the firmware through synaptic but also downloaded the latest stable alsa tools, utils, lib, drivers and firmware packages as per the instructions. Also had to download gcc and make and some other things but it seems like the instructions are incomplete make install says something about no path specified ./configure doesn't work make build says the same thing not sure what to do next. It said something about a newer kernel but this shouldn't be necessary as the linux drivers were working a few years ago. and I don't want to do an apt-get dist-upgrade because when I tried that nothing worked at all. anyway thanks in advance peace Hamish Send instant messages to your online friends http://au.messenger.yahoo.com

18 years

Re: [linux-audio-user] Digigram VX Pocket firmware help please

by Hamish Low

Tim wrote>> All you should have to do is compile / install / configure the modules. thanks tim, so i don't have to worry about loading the firmware? peace Hamish Send instant messages to your online friends http://au.messenger.yahoo.com

18 years

[linux-audio-user] How to setup dmix with m-audio audiophile usb

by Florian Ladstaedter

Hi, I am struggling with setting up the alsa dmixer with the M-Audio Audiophile USB sound card. The card works well (even better now since alsa 1.0.11rc4/linux 2.6.17rc1) but only one application can access it at the same time. Internet search gives a lots of results for asound.conf dmix configurations (and that it should work out of the box with recent alsa versions) but the M-Audio seems to be special, as always. So, 1. Is this a stupid question? (I am a newbie...) 2. What's the correct asound.conf? I tried the following (and many similar to this): [First soundcard is the onboard snd-intel8x0 card, the m-audio is the hw:2,0. It's a debian sid system with kernel 2.6.17rc2] -------------------------------------- pcm.!default { type plug slave.pcm "dmixer" } pcm.dmixer { type dmix ipc_key 1024 # This must be a unique IPC key (see ipcs output) ipc_key_add_uid 0 ipc_perm 0660 slave { pcm "hw:2,0" channels 2; period_time 4096 period_size 4096 # Must be power of 2 for alsa-oss buffer_size 8192 # ditto buffer_time 340000; rate 44100 } bindings { 0 0 1 1 } } # OSS via aoss should d(mix)stroyed: pcm.dsp2 { type plug slave.pcm "dmixer" } ctl.mixer2 { type hw card 2 } ----------------------------------------- the card still works with this, but no sound mixing. Playing a song and using another sound appl at the same time gives: WARNING **: alsa_setup(): Failed to open pcm device (hw:2,0): Device or resource busy 3. Can jackd and simple alsa apps use the soundcard at the same time with dmix (theoretically, if it would work)? thanks, any help appreciated Florian

18 years

[linux-audio-user] First trip to Europe

by olivier

>1) what is the cheapest way to travel inside europe? >Bus? Airplane? If it's by air, how can we buy cheapest >tickets? >Which company? >How much days before the flight? etc. >Or may be hitchhiking? hitchhiking is always an adventure, that can be fun, and fast too, but you need to stay on the highway, always ask for stop in a gas Station and rest area on the highway, if you want to catch another car to go longer, never go out of the highway and stop inside a city where you don't want to go (just because the funny guy who drive you, go into this city, and he think that's better for you ... never listen to them, they never practice hichhiking ...), don't take the small way if you are hurry, there is nobody and they drive slow ... if you think that showing your beautiful thumb is the good way, you'll wait and wait ... if you ask to the people when they stop for any reason, and if you don't forget to smile to them (don't forget social enginering ! :) ), then you'll be fast like speedy gonzales !!! don't forget to look at the people if you can trust them, yes there is risk everywhere ... you can get cheap fly or train by the web, this site is in several language for the french train and fly : http://www.voyages-sncf.com but the good opportunities are writed in french ... for the cheap sleep, hostels are expensive, the mini is 20 euro a night for three persons, "formule 1" hotel , always at the limit of the city, in may june you can go in a "camping", that's less expensive, it depend where you are, in the summer a lot of people sleep illegally in the parcs in the city, just be discret, go in when the night come, and go back when the sun wake up, if somebody say you something, just say you are very sorry, you just arrived in the middle of the night, everything was closed , and you didn't knew where to go ;-), I did that many times, and never gone in prison ... my way is not the most comfortable , sure, but that's the cheaper, and you can go all around the europe like that, without any money, if you have any instrumment, and are able to play in public, you'll eat for free too ;-) good luck and enjoy ! ___________________________________________________________________________ Faites de Yahoo! votre page d'accueil sur le web pour retrouver directement vos services préférés : vérifiez vos nouveaux mails, lancez vos recherches et suivez l'actualité en temps réel. Rendez-vous sur http://fr.yahoo.com/set

18 years

[linux-audio-user] how to un-ipod some m4a songs.

by Brian Dunn

I'm trying to un-ipod some songs. Does anyone know why the following command gives me an mp3 with a horid hiss? #!/bin/bash for i in *.m4a; do faad -o - "$i" | lame -m s - -o "${i%m4a}mp3" done using the faad plugin in XMMS gives me crystal clear sound on these songs, but stinking not so for this here command.

18 years

Re: [linux-audio-user] Re: [linux-audio-dev] Re: [ANN] No More Specimen

by Paul Winkler

On Thu, Apr 20, 2006 at 01:20:07PM -0400, Eric Dantan Rzewnicki wrote: > On Thu, Apr 20, 2006 at 12:30:34PM -0400, Paul Winkler wrote: > > On Thu, Apr 20, 2006 at 05:19:30PM +0100, Jonny Stutters wrote: > > > I've uploaded a copy of specimen-0.4.5.tar.gz (the most recent on my > > > disk) to: > > > http://jeremah.co.uk/downloads/linux/specimen/specimen-0.4.5.tar.gz > > > > > > I'm happy to host for the foreseeable future. If anyone's got a more > > > recent copy let me know and I'll get that up as well. > > > > Great! > > I found a copy of 0.5.1 on my drive. Email me privately if you want it. > > > umm ... the download just worked for me ... ummm ... where? afaict it has been wiped off the face of gazuga.net. > That said, I agreed a while back to maintain the project after Pete > announced his own death and the accompanying death of specimen. While > Pete resurfaced as a zombie and promptly went over to the dark side, I > have not yet found time to resurrect specimen (mainly due to my job and > preparations for LAC06). > > I fully intend to have a new home for specimen shortly after the > conference. In the meantime, there is a copy of 0.5.1 available here: > http://zhevny.com/specimen/files/ > > tarball, rpm and src rpm are there. > > I will maintain this location as the home of specimen files, so > feel free to point the ebuilds there. Wonderful, thanks! -- Paul Winkler http://www.slinkp.com

18 years

Re: [linux-audio-user] Ardour sound output problems

by Sampo Savolainen

Quoting tim hall <tech(a)glastonburymusic.org.uk>: > Does anyone have any useful insights into why ardour (0.99) so often > starts up > with no sound? - particularly if the last session was kicked out by jack > > (0.100.7). When it works it will run for a whole session, but I am having > to > reboot a little too often to get sound back for my liking. Restarting > jack or > alsa alone does not usually sort this. I am at such a loss to know how to > > debug this sort of problem Sounds like a denormal issue. More on them on http://www.ardour.org/node/139 Which plugins are you using in the session? Sampo

18 years

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Linux-audio-user April 2006