Linux-audio-user April 2007

linux-audio-user@lists.linuxaudio.org

171 participants
143 discussions

by Juhana Sadeharju

Hello. Recently we had discussion on the mp3 players. Samsung YP-U2RZB player (70 euros) supports formats mp3, wma, ogg, wav, asf. The ogg must be the ogg vorbis etc format. What will happen if the player is plugged to Linux computer? Could I just copy the ogg files to player's disk ("cp *.ogg /mnt/player/") and all would work perfectly? Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

18 years, 10 months

[LAU] multimedia on 64 bit distros

by Florin Andrei

I will upgrade my system from AthlonXP to Athlon 64 Dual Core, probably this week-end. Soon, the distro that I'm using (Fedora) is scheduled to issue a new release (7), and I may take advantage of that to go from 32 bit to 64. The problem, of course, is multimedia. These are the things that must keep working: - Flash web pages - playing proprietary files such as WMA using Xine or Mplayer and the Windows DLL codecs - Java (OK, that's not strictly multimedia) I know that there's some voodoo that can be performed to enable Flash on 64 bit OSes. I think it requires to install the 32 bit browser, but I'm not sure what all the details are. But how about the Windows DLL codecs and Java? Can I just install the 32 bit Xine and Mplayer (along with all the 32 bit library dependencies) and it will all magically work? There might be some strict Fedora-related issues as well, and I will discuss those on the Fedora forum if I can't figure them out myself, but first I'd like to untangle the generic problem of doing multimedia on 64 bit distros. -- Florin Andrei http://florin.myip.org/

18 years, 10 months

Re: [LAU] Questions from an audiophile to some engineers

by Bearcat M. Sandor

Charles, I'm learning too, and i thank you all for that. I'll have to play around with that LADSPA plug-in see what sound i get out of it. When you speak of compressing vocals do you mean removing the top and bottom frequences which then accentuates the mid-range on some systems? Bearcat > I learned a lot about compression on this thread. Limited experience suggests that light-moderate compression improves vocals, and even heavy compression can add a lot of oomph to a bass line. The LADSPA compressor that has produced the best results for me is the Dyson. > > Second what Geoff said. As a musician, I've always strived to make music pleasing to me and my friends in whatever situation it arises. As a (newb) audio engineer, I try for the same -- a sound that pleases me. As a listener/fan, don't listen to what you don't like or what doesn't sound "good" on your system, but criticising the engineering is a little silly because nothing will sound good to everybody in every environment. > > > On 4/13/07, Geoff Beasley <songshop(a)bizmedia.com.au> wrote: >> you know, audio is a totally subjective subject as is music itself; and audio >> has no other major purpose other than the reproduction of music.(a movie consisting only of atmos,fx and dialogue isn't generally made and distributed.sound installations are fine but are only available in the "round".) >> >> just rely on your ears and your heart. >> >> >> everything else is just science. >> >> g. >> >> >> _______________________________________________ >> Linux-audio-user mailing list >> Linux-audio-user(a)lists.linuxaudio.org >> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user >> > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user >

18 years, 10 months

[LAU] Sequencing (seq24) with audio loops

by lanas

Folks, Is it possible to record short audio sequences that plays along with Seq24 and if so, how can it be done, with which audio recording app ? I would like for instance, to record an accoustic bass riff played along some Seq24 sequences, and then add other audio loops like this. It would be handy to be able to start/stop those audio loops somehow by using Seq24 sending MIDI control commands to this audio loop app. Any suggestion appreciated. Cheers.

18 years, 10 months

[LAU] best mic(s) for environmenal recording?

by Mike Taht

This is a bit off topic for this list, but I thought I'd try (all my recording gear is 96khz/24 bit & Linux based, does that help?) I am selling my house deep in the santa cruz mountains, and I think the things I'm going to miss most is the birdsong and other sounds of the wilderness around me. So, I keep thinking, I should pick up a good mic soon (stereo mic, or matched pair) - either buy, borrow, or rent for a few days - and record it all, so I can recreate the ambiance and memories of this place one day in the future. Recordings done outside over the years with my available mics - SM-57, SM-58, an AT tube mic, etc - have all generally been kind of hissy and not up to the quality of other environmental recordings I've heard. Maybe that's also a factor of the pre-amps I've used, or inadaquate screening for wind. I have daydreams about somehow making this into a high-resolution surround sound mix, or doing an enormous recording (from dawn til dusk, from dusk til dawn) But I'm WAAAY out of my depth here as to how to get the best recording of the outdoors. -- Mike Taht PostCards From the Bleeding Edge http://the-edge.blogspot.com

18 years, 10 months

[LAU] SOLVED SooperLooper OSC control

by Salvatore Di Pietro

Ok folks, the trick was to use comma-separated arguments with sendOSC... Sorry for the noise! -- salvuz POST FATA RESVRGO Linux registered user #291700 | machine #174619 get counted on ---> http://counter.li.org/ <---

18 years, 10 months

[LAU] LAC streams online. help wanted for editing...

by Joern Nettingsmeier

hi everyone! finally, the last missing dumps of the Linux Audio Conference streams have been uploaded raw and uncut to http://lad.linuxaudio.org/events/2007_tub/ (the last few files are uploading as i type). since the stream team was confronted with a workload so high as to cause severe thrashing (i.e. lots of running around without getting anything done), we have not been able to produce stream dumps in any sensible form. hence, we need YOU to help with post-processing. please grab some of the files you find at the address mentioned above, and sign up to http://www.medienwissenschaft.hu-berlin.de/lawici/index.php/Stream_post-pro… so that people know who is working on what and will not duplicate your work. sorry for this hassle, and thanks in advance for your efforts. best, jörn -- Kurt is up in Heaven now. -- jörn nettingsmeier home://germany/45128 essen/lortzingstr. 11/ http://spunk.dnsalias.org phone://+49/201/491621 Kurt is up in Heaven now.

18 years, 10 months

[LAU] Re: [LAD] LAC streams online. help wanted for editing...

by Joern Nettingsmeier

Stefan Kost wrote: > hi, > <..> > thanks for the effort. I found the fragments of my talk. unfortunately > its only some intro and outro. Are there more files comming? > > Stefan unfortunately not. rui and you were the victims of a backbone outage at the tu... a few minutes into first session after the opening, we lost connection to our master server in the radio studio. turned out the server was humming along just fine, but an ancient backbone switch had got congested by the unusual load pattern and choked. in our frantic attempts to track down the bug, we did not manage to collect stream dumps (i for one initially blamed it on my encoding box and restarted it time and again to pinpoint the problem, and eric probably did the same). by the end of your talk we had re-located the master server to a remote machine off-campus (to bypass the faulty switch), but too late to capture anything useful. sorry for that, and best regards, jörn -- jörn nettingsmeier home://germany/45128 essen/lortzingstr. 11/ http://spunk.dnsalias.org phone://+49/201/491621 Kurt is up in Heaven now.

18 years, 10 months

[LAU] SooperLooper OSC control

by Salvatore Di Pietro

Hi all, I'm trying to control sooperlooper (1.0.8c) via OSC commands (all on the same host), using the commandline utility sendOSC, found at http://www.cnmat.berkeley.edu/OpenSoundControl/clients/sendOSC.html . To (try to) listen to incoming messages from the sooperlooper OSC server I use dumpOSC http://www.cnmat.berkeley.edu/OpenSoundControl/dumpOSC.html But the sooperlooper OSC server doesn't seem to react to any other command except /quit, (which makes it quit and after a while slgui pops out a dialog saying "Lost connection with the SL engine") On the sooperlooper-users ml (on which I am not subscribed) archives I found a thread on (almost) the same problem (sooperlooper OSC server not reacting to get requests or ping): http://sourceforge.net/mailarchive/forum.php?thread_name=20070120174611.ke2… Jesse Chappel gave an example for ping command, but it doesn't work here.. According to http://essej.net/sooperlooper/doc_osc.html , the command for i.e. starting to record on sooperlooper via OSC is /sl/#/down s:cmdname where # is the loop index (usually 0, or -1 to send the command to all loops) and cmdname is a string, i.e record. It should issue the pressing of "record" button. So, with JACK running, and all from the same host: I fire up sooperlooper (that listens from OSC commands on port 9951 by default) and from another terminal slgui, to "see" what happens in the engine; From another one I start dumpOSC on port 11122; From another one I send commands to sooperlooper with sendOSC: If I do sendOSC -h 127.0.0.1 9951 /quit sooperlooper quits. If I do ./sendOSC -h 127.0.0.1 9951 /sl/0/down record it doesn't start to record. The same with "down" and "up" instead of "hit" (to issue pressing and depressing of the record key) Neither it responds (dumpOSC doesn't print anything) to ./sendOSC -h 127.0.0.1 9951 /ping osc.udp://127.0.0.1:11122 /iamhere I think it should print iamhere... I have tried to load a loop with ./sendOSC -h 127.0.0.1 9951 /sl/0/load_loop /home/salvuz/loop.wav osc.udp://127.0.0.1:11122 /sorry_ERROR It neither loads the loop, nor sends the string sorry_ERROR to dumpOSC. Does anyone know what am I doing wrong? -- salvuz POST FATA RESVRGO Linux registered user #291700 | machine #174619 get counted on ---> http://counter.li.org/ <---

18 years, 10 months

[LAU] Online resources/books for programming sound synthesis software?

by Thomas Janu

Hi all! I just subscribed to this list as I now feel confident enough in my programming skills and my ability to understand mathematical descriptions to finally start what I always wanted to do: program my own synthesizers ;) Now I just wonder if there are any recommendations on what to read to get started fairly quickly. Any suggestions? Greetings, Thomas

18 years, 10 months

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Linux-audio-user April 2007