Linux-audio-user September 2003

linux-audio-user@lists.linuxaudio.org

115 participants
118 discussions

by Rick Taylor

Emiliano Grilli, > I think blender is one of the shiniest examples of a very good interface, > and of the power of the community behind it: a real "symbol" of open source > software (with the literal "liberation" to GPL!!!) It's only been open source for a few months. I think it's a great testament to what someone can do if they don't accept the accepted... think for themselves, all that... Don't forget who wrote it.

20 years, 8 months

[linux-audio-user] problems with EMI 2|6 and alsa

by np

Hello list, Anyone here have any experience getting alsa to work with the EMI 2|6? I'm having some problems getting everything to play nice together. Using aplay with no options gives me some errors about sample formats (according to /proc/asound/card0/stream1 the acceptable sample formats are S16_LE and S24_LE). 'Using aply -d plughw:1 sound.wav'gets me a little further - aplay tells me: "Playing sound.wav - Signed 16 bit Little Endian, 44.1KHz, Mono." Then it informs me "xrun - at least 0.074 ms long!" and then I get an error message : Alsa lib pcm_hw.c:494:(snd_pcm_hw_start) - SNDDRV_PCM_IOCTL_START failed : Broken pipe. And of course I get no sound. For the record I'm running debian sid, 2.4.19 kernel, alsa 0.9.6 on a G3 Powerbook 500. Perhaps something wrong with my alsa lib? Or am I missing something here? Any help from someone with any experience with the EMI 2|6 would be greatly appreciated! best, Nick

20 years, 8 months

[linux-audio-user] Jack problem

by Christophe Vescovi

Hi all, I'm running Mandrake 9.1 with multimedia kernel and applications that come mostly from thacs RPMS. I have just download jack 0.80.0, qjackctl (great tool !!) and when starting jack with -R option I get the error message : "cannot lock down memory for RT thread". Even with this error rosegarden work fine when using only the wavetable synth of my sblive (no xruns, even under KDE, switching windows or doing other nasty things that usually cause xruns). The problem is that I cannot connect softsynth to jack (I get the same RT thread error), I have tried with ams --jack and zynaddsubfx. I have seen on list archive several users having the same problems but no clear answer on the reason of the problem .... Thanks, Christophe

20 years, 8 months

Re: Re: [linux-audio-user] piano keys

by Rick Taylor

> Robert Jonsson wrote > > Thursday 04 September 2003 10:22 skrev emillo\(a)libero\.it: > > > > i agree too... i had a potter around and made some nice mixer graphics > > > > but never had time to go further with them. i'd like to work on this > > > > from time to time too, and all my work is publised Libre. > > > > > > Hi, I've done something too... but the same problem here with time ;) > > > I've made some knobs with blender, they are here: > > > > > > http://plugin.org.uk/graphics/ > > > http://emillo.net/download/mixer.png > > > > Great! > > > > I got some lying around somewhere also. > > > > We should put up a (joint) webpage somewhere with free-to-use graphics. Would > > the plugin.org.uk site be usable? Or perhaps on sourceforge or (since it's > > been working rather badly lately) one of it's counterparts, e.g. savannah? > > > > audiogfx.sf.net ? > > They both are fine for me What sort of things do you need? :} Maybe you could put together a joint widget list? It's a hell of a lot easier to fill an order when you know what folk expect to be in the package. {Sorry 'bout that stray reply.}

20 years, 8 months

[linux-audio-user] piano keys

by Alexandre Prokoudine

Hi. I'm not designer at all, but I'd like to make you think about producing some graphics under free license for using in audio opesource software. What I;m thinking about is some web-resource, where developers could ask artists for help. May be linux-audio-announcement@ could be fine for that purpose. As an impact I'm uploading www.lrn.ru/~avp/files/piano.sodipodi www.lrn.ru/~avp/files/piano.png under FreeArt License (http://artlibre.org/i) Feel free to use, modify and redistribute it. -- Alexandre Prokoudine ALT Linux Documentation Team JabberID: avp(a)altlinux.org

20 years, 8 months

Re: [linux-audio-user] screenshots needed!

by Taybin Rutkin

I believe the ardour screen shots have been updated since the last Sound on Sound article. The Session Exchange program has a screenshot here: http://piratesvsninjas.typepad.com/photos/taybin/sessionshare.html Taybin -------Original Message------- From: Daniel James <daniel(a)mondodesigno.com> Sent: 09/03/03 09:02 AM To: linux-audio-user(a)music.columbia.edu Subject: [linux-audio-user] screenshots needed! > > Hello all, I've been writing a feature on Ron Parker's studio for Sound on Sound magazine. It's finished, but we're having a bit of trouble with the screenshots, due to a hardware failure at the studio. If anyone would like to email me directly or let me have the location of screenshots of the following applications, I'd really appreciate it. Complete desktop shots or individual windows are both fine - if there's work in progress visible, so much the better. 1. Ardour - some up to date screenshots? I've already used the ones on the Ardour website in an earlier article! 2. JAMin - I've got nothing on this one, image-wise. 3. Ardour Session Exchange - is this a command-line application? If so, a screenshot of a terminal maybe? 4. Any other fine-looking JACK apps. Any JACK apps, in fact. The more, the merrier! PNG format usually looks better than JPEG for screenshots, in my experience. Thanks Daniel >

20 years, 8 months

RE: [linux-audio-user] Latency question

by Reuben Martin

>I'd disagree completely - the Audacity interface is totally designed >for multitracking. The reason I personally don't recommend Audacity for multitracking is that you can't record more than a stereo track. ie. it would be a little hard to record from or send to a multichannel source. Secondly, I've had some problems mixing multiple tracks on Audacity. It doesn't handle multiple stereo tracks properly. (at least not yet)

20 years, 8 months

[linux-audio-user] Re: Latency question (M-Audio)

by Michael T. Olivier

At 06:20 AM 9/3/2003 -0400, you wrote: >The M Audio Audiophile (PCI version, not the USB) would do a good job >of both your vinyl transfers and your music recording. What's wrong with the USB version?

20 years, 8 months

RE: [linux-audio-user] Latency question

by Reuben Martin

2ms latency wouldn't be noticable, but if you're getting that number from a spec sheet you should know that your actual latency in real life could be quite a bit different. Besides, if you plan to do real multitracking, you may want to look into cards for more professional use. The Audigy2 is more geared towards consumer use. Also, even though Audacity can mix multiple tracks, this is not it's primary use. It's more of an editor. You might want to consider something like Ardour. For recording LPs/tapes to CD, try using Gnome Wave Cleaner for getting rid ot the hiss and clicks. -Reuben -----Original Message----- From: millward [mailto:millward@ms.umanitoba.ca] Sent: Tuesday, September 02, 2003 5:01 PM To: linux-audio-user(a)music.columbia.edu Subject: [linux-audio-user] Latency question How bad is 2 ms latency? I'm trying to decide upon a sound card and I've noticed that the Creative Sound Blaster Audigy 2 has a 2 ms latency, but offers "hiss free" audio fidelity at 106 dB SNR. The Delta 410 has zero latency, but its $200 US. Now I'm an idiot at this high end sound card stuff, so I'm not sure what really matters. All I want to do is use Linux Audacity to record my own multi-track creations and convert LP 33rpm records to CD. I'm sick of tape hiss! After 4 tracks my analog tape machine is useless. So I bought this here computer to get away from that hiss and maybe record something I can listen to without grinding my teeth. Any adice would be most welcome!

20 years, 8 months

[linux-audio-user] Alsa & Jack

by holborn

Hi! Maybe that is sacrilegious ... but .. i'm sure ALSA-jack are the future in linux audio systems and i see some efforts in ALSA to mix signals (dmix ..) , and my question is why not integrate jack in ALSA? can this integration report some beneffits to the users? (memory, cpu usage ..) Thanks Josep

20 years, 8 months

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Linux-audio-user September 2003