Linux-audio-user August 2007

linux-audio-user@lists.linuxaudio.org

156 participants
148 discussions

by Chris McCormick

Hi All, Apologies if this is the wrong list, but I figured since it's Linux audio related this might be appropriate. I am trying to run a [GPL] app under Wine, and read it's midi output into Pd. Midi input using alsa works fine now, and there are options in the program - modplug tracker - for midi output, but nothing seems to come out of any alsa midi channels. I suspect that the default alsa midi output is to Midi Through and I just don't know how to redirect alsa midi through back into Pd. There is a lot of conflicting information on the net about what to do, so I wonder if anyone can tell me if they have apps running under Wine which are outputting into a Linux alsa midi app? I am running Wine 0.9.25 which is the default in Debian Etch right now. Best, Chris. ------------------- http://mccormick.cx

18 years, 4 months

[LAU] PHASEX-0.11.0 released

by William Weston

Version 0.11.0 of the [P]hase [H]armonic [A]dvanced [S]ynthesis [EX]periment is ready for download (source tarball and FC6 RPMs) at: http://sysex.net/phasex/ This release contains many fixes and improvements and is highly recommended for all PHASEX users. Here's a brief list (see the ChangeLog for more details): Engine fixes: Filters and oscillator bandlimiting are now properly tuned (taking into account filter oversampling) and work as documented. Calculations for lookup tables are more accurate. The envelope curve has been improved and sounds a lot more natural. Additional bugfixes are found in the ALSA MIDI startup and JACK shutdown code. Engine optimizations: A few simple optimizations have been worked out, with an average of about 30% CPU cycle reduction per voice, and about 30MB of memory overall. For custom builds, the engine can easily be fine-tuned in phasex.h, and the --enable-arch= configure option supports all x86 CPU types supported by gcc-4.1.2. Improved patch bank: The entire bank is preloaded into memory. There is now support for patches in alternate directories. The memory modes have been reworked (and finally documented in the runtime help system). Multiple patches from a directory may now be loaded into the patch bank at once. GUI updates: Special thanks goes out to Pete Shorthose for providing the initial backing store code and some pearls of GTK wisdom to make window redrawing and tab switching faster and smoother. For those of you who haven't done so already, now would be a good time to enable backing store in your X server. Knob and control updates: Scroll wheel support has been added to the knobs and alternate controls. Middle-click centering of knobs is more responsive. The cumbersome combobox lists have been changed to detent knobs with clickable value labels. Parameter locking: Parameters can now be locked down to their current values, effectively blocking out program changes, patch loads, and MIDI controller messages on a per-parameter basis. New settings: The base A4 tuning frequency and backing store can now be set in the preferences dialog. Cheers! --ww -- /* William Weston <weston(a)sysex.net> */

18 years, 4 months

[LAU] asf-stream trouble

by Julien Claassen

Hi all! I have a problem. I downloaded an asf-stream to my disk with mplayer -dumpaudio ASF_STREAM But now I can't play it back. Mplayer tells me: [...] Playing test.asf. Cache fill: 0.00% (0 bytes) libavformat file format detected. [mp3 @ 0x87742a8]Could not find codec parameters (Audio: mp2, 64 kb/s) LAVF_header: av_find_stream_info() failed Exiting... (End of file) Do you have any ideas on this? I think, I should have used -dumpstream, but now the damage is done. I need some help on this, please. Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

18 years, 4 months

[LAU] LADPSA or DSSI granular synthesis

by Jamie Bullock

Hi, Does anyone know of a LADSPA or DSSI plugin for granular synthesis. It needs to be capable of using a user-defined wavetable or soundfile as a source for grain data. Thanks, Jamie -- www.postlude.co.uk

18 years, 4 months

[LAU] OT slightly - Linux on a MacBookPro

by Brad Fuller

I apologize if this is OT to some, but I'm wondering if anyone has run a Linux distro on a MacBookPro to run Linux audio apps. I understand that you can run OSX and XP from boot on a Mac, but I'm wondering if you can also have a triple boot to run Linux (not in VMware, etc.) And, if you do, what distro are you using? thanks, brad

18 years, 4 months

[LAU] T-pain remix contest with Free Software

by Selso DaSilva

Ok, you might be asking what does this have to do with Free Software. I would love someone to use Ardour and a GNU/Linux based system to remix this. Personally I don't have the time right now. Lets show them what true "G (geeks)" can do. Link here has all the details http://www.jamglue.com/contests/tpain -- Selso K. DaSilva Community Free Software Group, Inc. http://cfsg.org

18 years, 4 months

[LAU] Portable sampler, suitable for children?

by Juhana Sadeharju

Hello. A few months ago we discussed about audio software that are suitable for children. I was interested in a portable sampler for similar purposes, but I don't remember anyone suggesting anything. Now I found BOSS' SP-303 (Dr. Sample). Can this be connected to Linux for the sample and pattern upload/download? Does any Linux software recognize the formats used by this gear? What alternative devices are available? For the same or lower price. The Linux connection seems to be needed as the device is a sampler. In Linux I could, e.g., create a set of sounds with a software synth. Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

18 years, 4 months

[LAU] "mp3"-player with ogg?

by Arnold Krille

Hi all, I discovered that travelling is more fun if my own music is in my ears. So I decided (and my wife approved) to buy a mobile player. As big parts of my music collection are oggs and I am to audiophile to reconvert them to mp3, I am searching for a mobile player that can do ogg as well as mp3 (I don't give anything for wma, aac or other proprietary stuff). I like the way Apple makes things just work. If the Ipod nano played ogg I would march into the next local supermarket that has them on discount currently. Who has experience with Linux on the Ipod (normal one without nano/shuffle/etc...)? Is it stable and usable? Which other players would you recommend for their abilities and usability? Have a nice weekend, Arnold -- visit http://www.arnoldarts.de/ --- Hi, I am a .signature virus. Please copy me into your ~/.signature and send me to all your contacts. After a month or so log in as root and do a rm / -rf. Or ask your administrator to do so...

18 years, 5 months

[LAU] tool to invert left channel and mix it to right

by Tommi Sakari Uimonen

Hello! What would be the command line magic to get stereo wav mixed to mono and left channel inverted before the mixdown? Background: I have recorded vocals with M-Audio Microtrack 24/96 (portable recorder) and I've used mic cable that has one xlr connector to the mic and two mono plugs to the recorder, which records stereo. To get the final mono, I have to invert one of the channels and mix it with the other. This way all the errors on the signal get canceled. I've done this with audacity, but it's rather lengthy operation if I have several files to convert. Tommi

18 years, 5 months

[LAU] smooth blues

by Dave Phillips

Greetings, Well, my brother calls it a smooth blues : http://linux-sound.org/audio/love-blues.ogg Sorry I'm such a poor lead player, maybe I'll replace it with a harp solo. Wish I played the tuba... Software: Ardour2, JAMin, QJackCtl, BetaMonkey drum loops Hardware: Ibanez bass (GSR200) & guitar (AEF30), Shure SM58 mic, AudioBuddy preamp, M-Audio Delta 66 audio interface. System: 64Studio 2.0 on AMD64 3200. I wanted to write something that Lonnie Johnson might have liked. I tried... Best, dp

18 years, 5 months

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Linux-audio-user August 2007