Linux-audio-user May 2005

linux-audio-user@lists.linuxaudio.org

154 participants
186 discussions

[linux-audio-user] Re: Gungirl Sequencer Version 0.3.0

by James Stone

On Mon, 09 May 2005 23:06:39 +0200, Richard Spindler wrote: > Hi, > > Gungirl Sequencer Version 0.3.0 is ready, and it comes with an impressive > set of new features: > > - Automations, Fade-in, Fade-Out > - Unlimited Undo > - Sample Stretching and Trimming > - Unlimited Number of Tracks > - Zip-Packages of Songs > - Looping > > About ggseq: > > It's a simple Audio-Sequencer designed for arranging small Sound-Loops, as > available on CD from various Producers. It's not a general Purpose Sound > Editor, it has no support for large audiofiles. It doesn't do MIDI. > > It's a fun toy, for people new to electronic music-making. > Sounds great.. You shouldn't talk it down though, a lot of people have been looking for a drop-in acid replacement. James

18 years, 11 months

[linux-audio-user] Re: [linux-audio-dev] Dumb question regarding CMT's ambisonic plugins

by fons adriaensen

Helllo Ico, > I have been messing with the ambisonic plugins provided in the CMT ladspa > collection. I am namely looking into a simple implementation of B-format > 1ch->4ch encoder. The problem is that I am failing to figure out how to use > this on a simple mono (non-encoded) sound input in order to control its > diffusion over 4 channels. I'm not sure what you mean by diffusion. For a mono source, you basically have two options: 1. Just send it to the B-format W channel, and not use X,Y,Z Thechnically that's not a 'legal' B format, but what you get is that the sound will come equally loud out of all speakers. 2. Use a B-format panner to put it into a particular direction. Remember that ambisonics encodes source direction, not position, i.e. it does not include any notion of distance. This is normally encoded by changing the direct / reflections / reverb ratios. Regarding the CMT set of ambisonics plugins, I remember having tested some of them at least a year ago and the conclusion was they have some problems. > When running it via Ardour and sending it to 4 > separate busses via this plugin, even though the x, y, and z coordinates do > affect the output of the 4 channels, they do not conform to the expected > 3,4,2,1 output (I presume these correspond to 4 speaker outputs, but I am > also having doubts about this as well, so your help in understanding this > better would be most appreciated). Seems like you need two things: 1. a B-format panner for ardour, so you can mix a number of mono inputs, giving each of them a 'direction' and maybe (via additional outputs) controlling their distance, and 2. a B-format to 4 speaker decoder following the master mixer strip. I have these things in house, and I'm using them all the time, but they are not in a state suitable for release. They will be released some time, and if you need them badly, I could change some priorities... OTOH, I remember you've been exploring SuperCollider recently, and that has everything you need on board. Have a look at the PanB2, PanB and DecodeB2 Ugens. -- FA

18 years, 11 months

[linux-audio-user] ANNOUNCE: fmit 0.91.0

by Gilles Degottex

Hi, * bug fixes (repports from ALSA capture errors and other small things) I'm always interesting in: - better vocabulary suggestions - translations - test repports project website: https://gna.org/projects/fmit last version: http://download.gna.org/fmit/fmit-0.91.0.tar.bz2 Enjoy, Gilles

18 years, 11 months

[linux-audio-user] VMWare for Music

by ross＠jose.lug.udel.edu

Hello everyone, Does anyone have any experience using a VMWare session to run Windows audio apps? I can't get VMWare to output to ALSA. It appears to use OSS. I have the OSS emulation loaded and use it on a daily basis for esd. It'd be swell if I could sync it to Jack, but I know that's probably not gonna happen ::-). Also, how about MIDI support with USB devices? Should I expect that to work? Any tips? Thanks in advance! -- Ross Vandegrift ross(a)lug.udel.edu "The good Christian should beware of mathematicians, and all those who make empty prophecies. The danger already exists that the mathematicians have made a covenant with the devil to darken the spirit and to confine man in the bonds of Hell." --St. Augustine, De Genesi ad Litteram, Book II, xviii, 37

18 years, 11 months

Re: [linux-audio-user] writing audio to a cd

by eviltwin69＠cableone.net

On Fri, 27 May 2005 15:56 , Arnold Krille <arnold(a)roederberg.dyndns.org> sent: >Hi, > >On Friday 27 May 2005 15:17, Nick Torenvliet wrote: >> Okay, so here is the prince of dumb questions... >> I have a song in ardour- four tracks... and I want to write it to an >> audio cd so I can play it on any cd player... could someone fill in the >> blanks for me.... > >Inside ardour you create the regions (in the regions/locations editor) which >should be the songs on the cd. Mark the "CD" checkbox. Than select >File/Export/"Into soundfile" and in the following screen also select the >option to create the toc or cue file. You than get the wave-file for your cd >(be sure to use 44kHz and 16bit) and the toc. cdrdao will burn it and your >cd-player can read the cd... > Note the key phrase "a song". He doesn't need to go through the complicated method and play with TOCs. Apply the KISS principle. Just export session to audio file as 44.1KHz, 16 bit, shaped or triangular dithering if needed. If you haven't already trimmed the song use Audacity to trim and fade the beginning and ends. Use K3B or XCDRoast to burn it. Jan

18 years, 11 months

[linux-audio-user] vocoder software recommendations?

by October

A year or so ago I found one, I think that worked as a plugin in Jack-Rack, but gave up after failing to coax any sound out of it. Anyway, I'm looking for one again. Anyone have any good recommendations for a good vocoder software or plugin? Thanks in advance! Jon Hoskins ----------------------------------------------------------------------- In a world without walls who needs gates or windows? --unknown __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new Resources site http://smallbusiness.yahoo.com/resources/

18 years, 11 months

Re: [linux-audio-user] WaveMixer 0.3

by Raoul

> Very nice :) Now I think I finally understand the purpose of your app! > The compose-window(sp?) works very nicely and is fun to use, but I > wonder what the integrated sample editor will do, that can't be done > with, say Audacity? Yes, audacity can do all sample editing, but It's better to have our own sample editor, because changing apps between audacity and wavemixer all time is not a good thing. I think having an integrated sample editor is more ergonomic. > You have to save the file before it can be dragged > into position, no? Yes and no! If you first load the file into tha sample editor, you'll have to save it first before using it on tracks... But if you load files first onto tracks, it's the block you are editing. We have to think about a better way for that. And if you've got any ideas, you're welcome ! :) -- ----------------------------- Raoul Hecky http://wavemixer.sf.net

18 years, 11 months

Re: [linux-audio-user] WaveMixer 0.3

by Raoul

Hi, > I have tried opening some of the system *.waw files (File->Open), but no > cigar. I can drag an mp3 from the sidebar into the main window but I am > uncertain what the semantics of that operation is supposed to be? Ok, so to load some sound files, the only way is to drag them into the editor. The File->Open function is only used to load an entire project. If you drag an encoded file like mp3 or ogg and it does'nt work, it mean that you don't have the correct gstreamer plugin installed. See in the term if you see something like : "Gstreamer error: There is no element present to handle the stream's mime type bla/bla." to correct this, try to install the correct gstreamer plugin and do a "gst-register-0.8" to rebuild the gstreamer plugin database. For example, I found that on fedora3, the mp3 plugin is missing in gstreamer, and you have to install a separate package. > I can hear music :) That's great ! :) > Hmmm ... Adding an effect like 'simple delay' or 'lowpass filter' is > weird. Sound ends up scrambled in ~250ms chunks? > > The stereo-amplifier (or gain) adds some odd squirks at the end of the > sound. As if it was overshooting the play buffer and plays the random > noise returned by malloc() ? Ok you found a bug... I'll correct it. thanks! > I'm lost :( If you don't know what to do next, you can download this package: http://clarinet.u-strasbg.fr/~floury/jazz.tar.gz It contains some samples to play with, and a project (the .xml file) that you can load with the File->Load menu... -- ----------------------------- Raoul Hecky http://wavemixer.sf.net

18 years, 11 months

[linux-audio-user] Realtime as User SuSE 9.3 (64bit)

by David Haggett

Launching jack as a user, I can't get it to run with realtime privileges, and I get lots of cracks and pops from my speakers. As root, I can launch jack in realtime, and the pops/cracks disappear, but I can't access the LADSPA plugins (this is a configuration issue that I could resolve if I wanted to). I note that SUSE have included the Capability LSM in their kernel as I get "linux kernel: Capability LSM initialized" in the log file, but I don't know whether this means: - the realtime functionality just needs to be configured - I need to build and install a separate realtime module, or - I need to build or otherwise obtain a kernel specifically built for realtime support If at all possible, I'd like to do it without rebuilding the kernel myself, but if I need to, I would be so grateful to hear from someone who's already succeeded with this on SuSE 9.3. Many thanks in advance. -- David Haggett

18 years, 11 months

[linux-audio-user] Syncing Ardour + Hydrogen so Hydrogen will follow Ardour tempo change

by Shayne O'Connor

as the subject line suggests, we've been trying to get a working/smooth tempo change going with Ardour + Hydrogen synced to Jack. I've tried the only way that makes sense to me - indicating the tempo changes in the Ardour tempo strip ... Ardour is synced to Jack. I think this approach *sort of* works, but when it comes to the tempo change, hydrogen skips over about four of its bars before continuing. at first, i tried just adding an extra four bars into hydrogen to make up for the skipping, but this doesn't seem to work that well. we just need a change from a tempo of 86bpm to 94bpm and back again ... how do we do this in ardour? will i have to record the hydrogen tracks into ardour at the different tempos, and then adjust the ardour tempo track to match up? that would sort of suck ... other approaches? shayne

18 years, 11 months

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Linux-audio-user May 2005