Re: [linux-audio-dev] promoting LAC 2007

2007-03-27 Thread Dave Griffiths
On Tue, Mar 27, 2007 at 04:17:16PM +0200, Frank Barknecht wrote: Maybe one day there will be a Linux version of Live, but it's not something I particularily look forward to, as I wouldn't use it anyways unless it gets opensource'd. There are probably many of us thinking the same way. But

Re: [linux-audio-dev] best option for audiovisual synchrony

2006-10-20 Thread Dave Griffiths
Hi all, We're in the process of porting an open source Matlab toolbox to Linux called the Psychtoolbox. It's a piece of software that's widely used within neuroscience and psychophysics, to display graphics and play sounds in experiments. It uses OpenGl for its graphics backend, and right

Re: [linux-audio-dev] Live music performing setup using VNC?

2006-01-16 Thread Dave Griffiths
Hello! I'm not quite shure, if this belongs here, or to the LAU list, but I am subscribed here, so this is why I post it here. First, let me explain: I'm in an urgent need for a notebook, as I am a university student (from Slovakia) working as a part time PHP programmer and playing in a

Re: [linux-audio-dev] Proffessionals?

2005-07-14 Thread dave griffiths
pixar studios use sweep for sound editing I believe - or they did some time ago. film studios use free audio software quite a lot as linux is the norm in that industry. dave On Thu, 2005-07-14 at 22:23, [EMAIL PROTECTED] wrote: Hi everyone, Can anyone give me any examples of Free audio

[linux-audio-dev] more on damaging signals

2005-06-21 Thread Dave Griffiths
Hi all, I posted some questions a while back about signals that could potentially damage PA speakers, or equipment after amplification. I'm starting to look at using a genetic programming synthesiser I'm writing for live performance: http://www.pawfal.org/index.php?page=WigWamJam This

Re: [linux-audio-dev] more on damaging signals

2005-06-21 Thread Dave Griffiths
On Tue, Jun 21, 2005 at 01:17:21PM +0100, Dave Griffiths wrote: * high dc offset * very low frequency * very high frequency Add 'High level at higher frequencies'. In most speakers systems, the HF unit will sustain considerably less power than the LF/MF parts. added to the list - thanks

Re: [linux-audio-dev] LADSPA Issues

2005-05-20 Thread Dave Griffiths
On Thu, May 19, 2005 at 03:19:50 +1000, Dave Robillard wrote: (I still think the central repository is a good idea anyway, FWIW) So do I, but its a hell of a lot of effort, and its unlikly to be kept up to date. In the commercial world (of one application I develop for anyway) a number of

Re: [linux-audio-dev] live pa questions

2005-04-04 Thread Dave Griffiths
On Mon, 04 Apr 2005 18:01:02 +0200, Pieter Palmers wrote the following links provide quite some info regarding distortion, clipping and DC offsets: http://sound.westhost.com/clipping.htm http://sound.westhost.com/tweeters.htm interesting articles My recommendations: - Be sure to do a

Re: [linux-audio-dev] Using ray tracing cpu for audio synthesis

2005-03-15 Thread Dave Griffiths
On Tue, 15 Mar 2005 18:05:02 +0900, David Cournapeau wrote Hi there, I think I am not the only one here to have heard about so called '3d ray tracing cpu' (e.g: http://graphics.stanford.edu/papers/rtongfx/rtongfx.pdf, and a recent news on /. about some demos at CeBit ). There also

Re: [linux-audio-dev] OSC-Question

2005-03-15 Thread Dave Griffiths
On Tue, 2005-03-15 at 20:12, Arnold Krille wrote: Hi all, after some of the latest discussions about audio-apps without gui, my head is filled with giving JackMix[1] OSC-Support and perhaps splitting it into a text-based / osc-based server doing the mixing and a gui... So my question

Re: [linux-audio-dev] Developing a music editor/sequencer

2005-02-04 Thread Dave Griffiths
On Wed, 2 Feb 2005 19:49:42 +, Chris Cannam wrote On Wednesday 02 Feb 2005 19:02, Paul Davis wrote: I continue to think that this crazy. So do I. The design process at work here reminds me a lot of the way I approached Rosegarden: look at how other applications work and what they

[linux-audio-dev] ssm2

2004-12-08 Thread Dave Griffiths
Hi all, Just a quick note that we are currently considering starting a new version of spiralsynthmodular from scratch (well almost) that will at first take the form of a osc server/jack client that will load and connect ladspa plugins together. Just wondering if anyone has an idea of an osc

Re: [linux-audio-dev] ssm2

2004-12-08 Thread Dave Griffiths
On Wed, 08 Dec 2004 16:41:24 +0100, Mario Lang wrote Steve Harris [EMAIL PROTECTED] writes: I'm pretty sure someone else is working on something like this, OSC driven UI, modules as LADSPA plugins, cant remeber the name though. Its called Om, and AFAIK maintained by drobilla on #lad.

[linux-audio-dev] formant analysis lib

2004-11-17 Thread Dave Griffiths
Hi all, Not an area I'm that familiar with, but are there any good libraries out there that can do formant analysis of speech? cheers, dave

[linux-audio-dev] calling open source artists/musicians (UK London area)

2004-11-02 Thread Dave Griffiths
Hi all, A couple of us are thinking of putting together an open source focussed music and visual performance night in London (UK), with the aim of making it a semi regular event with a bit of a workshop feel to it - so people can share ideas and have some fun. We're just wondering what the

Re: [linux-audio-dev] Re: killer app idea

2004-10-19 Thread Dave Griffiths
Going slightly off topic, an idea I'd like to try is a hexagonal drum pattern sequencer. I got the idea from this: http://www.soundonsound.com/sos/apr04/images/autechremax2.l.jpg I have no idea how it actually works, but from that patch I got thinking that you could get multiple loops from the

Re: [linux-audio-dev] Drum synth

2004-09-21 Thread Dave Griffiths
On Tue, 21 Sep 2004 10:12:47 +0200, Joost Diepenmaat wrote On Sun, Sep 19, 2004 at 01:51:16AM +0400, Dmitry Baikov wrote: For me it would be better to have a separate drum-synth. So I can drive it with seq24. Could this not be accomplished using a LADSPA plugin? It's probably the easiest

[linux-audio-dev] [OT] looking for a sourceforge replacement

2004-09-04 Thread Dave Griffiths
Hi all, Just looking around for a replacement for souceforge - I'm quite keen on non company based, with alternatives to CVS. I've found the following so far: http://savannah.gnu.org/ http://savannah.nongnu.org/ http://www.tigris.org/ https://gna.org/ Does anyone have any additions to this

Re: [linux-audio-dev] OSC vs MIDI

2004-09-01 Thread Dave Griffiths
On Tue, 31 Aug 2004 15:04:48 -0400, Dave Robillard wrote On Tue, 2004-08-31 at 14:44, Robert Jonsson wrote: Getting off topic here, but there's a little more to it than that. 1 Syntactic sugared implementation is much much more preferable to 101 conventions for doing OOP with void

Re: [linux-audio-dev] OSC vs MIDI

2004-09-01 Thread Dave Griffiths
On Tue, 31 Aug 2004 13:43:31 -0600, martin rumori wrote On Tue, Aug 31, 2004 at 02:46:13PM -0400, Dave Robillard wrote: I was wondering about this the other day - is there no OSC 'standard' for how to declare note-ons, offs, etc? If OSC really is to become a MIDI replacement, there's

Re: [linux-audio-dev] OSC vs MIDI

2004-09-01 Thread Dave Griffiths
On Wed, 1 Sep 2004 05:48:15 -0600, martin rumori wrote On Wed, Sep 01, 2004 at 11:31:01AM +0100, Steve Harris wrote: On Wed, Sep 01, 2004 at 10:03:18 +0100, Dave Griffiths wrote: so if I'm writing a osc sequencer, is the best plan to leave the mapping open for the user to modify? I

[linux-audio-dev] OSC vs MIDI

2004-08-31 Thread Dave Griffiths
Hi all, Ok, so I'm playing with osc (currently doing gui-app communication with it) but all my individual apps still talk midi between them. This is quite cumbersome, as I want to start having lots of controls that midi doesn't support - and I don't really think in midi these days anyway. Is

Re: [linux-audio-dev] OSC vs MIDI

2004-08-31 Thread Dave Griffiths
On Tue, 31 Aug 2004 14:28:50 +0100, Steve Harris wrote On Tue, Aug 31, 2004 at 11:43:16AM +0100, Dave Griffiths wrote: Hi all, Ok, so I'm playing with osc (currently doing gui-app communication with it) but all my individual apps still talk midi between them. This is quite cumbersome

Re: [linux-audio-dev] OSC vs MIDI

2004-08-31 Thread Dave Griffiths
On Tue, 31 Aug 2004 16:02:43 +0100, Steve Harris wrote On Tue, Aug 31, 2004 at 02:48:46PM +0100, Dave Griffiths wrote: BTW, if you have reasonable OSC covereage I'd be very interested in compatibility tests between whatever you're using and liblo. Very early days, I've only implemented

Re: [linux-audio-dev] OSC vs MIDI

2004-08-31 Thread Dave Griffiths
On Tue, 31 Aug 2004 13:15:24 -0400, Pete Bessman wrote At Tue, 31 Aug 2004 16:02:43 +0100, Steve Harris wrote: I like the OO-in-C style of programming, its pretty much the best of both worlds IMHO. C syntax, but no C++ 'features'. Seriously. You can easily do Real OOP in C; the only

Re: [linux-audio-dev] Which audio lib?

2004-08-10 Thread Dave Griffiths
On Tue, 10 Aug 2004 14:29:51 +0100, Steve Harris wrote Depending on the application you may find jack appropriate. Is easier to write code for than ALSA, in my experience. I'd agree with this - I jumped straight from oss to jack. Depending on what you're doing, it's usually better to use a

Re: [linux-audio-dev] OSC for GUI-Engine communication

2004-07-28 Thread Dave Griffiths
On Tue, 27 Jul 2004 12:33:56 -0400, Paul Davis wrote the 2nd worst code i have ever read. use liblo. erm, and the worst award goes to...? :) dave

Re: [linux-audio-dev] noiseweapon 1.0

2004-07-28 Thread Dave Griffiths
On Wed, 2004-07-28 at 23:46, Steve Harris wrote: Build error: g++ -pipe -Wall -O3 -ggdb -ffast-math -Wno-unused -fPIC -fPIC -c -o src/AdditiveVoice.os src/AdditiveVoice.cpp src/AdditiveVoice.cpp: In constructor `tiny::AdditiveVoice::AdditiveVoice(int) ': src/AdditiveVoice.cpp:27:

Re: [linux-audio-dev] Knobs / widget design (radial movement)

2004-06-26 Thread Dave Griffiths
On Fri, 2004-06-25 at 23:15, Pete Bessman wrote: At Fri, 25 Jun 2004 18:00:42 +0200, Fons Adriaensen wrote: Dave Griffiths said something above about hiding functionality for the users to find. That, to, is just wrong. This isn't a videogame or Where's Waldo. heh heh, funnily enough - I

Re: [linux-audio-dev] Knobs / widget design (radial movement)

2004-06-25 Thread Dave Griffiths
On Fri, 25 Jun 2004 17:28:09 +0200, Thorsten Wilms wrote On Mon, Jun 21, 2004 at 09:46:36AM +0200, Burkhard Woelfel wrote: Radial movement on control elements often confuses me. ... Well, the scaling issue was not obvious to me, I needed to read about it somewhere, but afterwards made

Re: [linux-audio-dev] Knobs / widget design (radial movement)

2004-06-25 Thread Dave Griffiths
On Fri, 25 Jun 2004 18:54:20 +0200, Thorsten Wilms wrote On Fri, Jun 25, 2004 at 05:22:55PM +0100, Dave Griffiths wrote: I like your fan idea Thorsten, but I also think it could work invisibly - ie no need for the transparent overlay. This would take a bit of learning

Re: [linux-audio-dev] Knobs / widget design (radial movement)

2004-06-25 Thread Dave Griffiths
On Fri, 2004-06-25 at 19:29, Thorsten Wilms wrote: Besides, we were talking about widgets. When even single widgets would require to RTFM, what would that mean for a full app? I think there is a danger here of being too conservative - something I think existing commercial software does (in a

Re: [linux-audio-dev] swh plugins and fixing undenormalize

2004-06-24 Thread Dave Griffiths
On Thu, 24 Jun 2004 11:03:34 +0200, Tim Blechmann wrote Since the problem is denormalised numbers, has anybody thought of adding a small DC offset (1e-15) or alternating the addition/subraction of a small value? of course it is possible to add a small dc offset ... but what if we are

[linux-audio-dev] another jack q

2004-06-24 Thread Dave Griffiths
Hi all, Bit of a dumb question I think, but I'm running jack realtime in softmode, and I'm getting sporadic cases of this: delay of 557251.000 usecs exceeds estimated spare time of 21355.000; restart ... too many consecutive interrupt delays ... engine pausing cycle execution failure, exiting

Re: [linux-audio-dev] jack in a live situation

2004-06-17 Thread Dave Griffiths
On Wed, 16 Jun 2004 22:12:26 -0400, Paul Davis wrote A question regarding jack use in a live setting. As far as I can tell the soft mode only works with non realtime jack. What should I do if I it should work with realtime mode too. this was specifically added several (many?) months ago, for

Re: [linux-audio-dev] Project Ideas

2004-06-16 Thread Dave Griffiths
On Wed, 16 Jun 2004 17:23:39 +0100, Steve Harris wrote On Wed, Jun 16, 2004 at 07:03:03 +0300, michael tewner wrote: 1- This should be run on any platform including PC platform. Yeah, right. Perhaps Ill just implement the code, and wrap it with JACK and WIN-API with preprocessor

Re: [linux-audio-dev] Project ideas?

2004-06-09 Thread Dave Griffiths
On Wed, 09 Jun 2004 00:02:22 -0400, Dave Robillard wrote There's a /lot/ more information available in a MIDI performance, so the potential to do interesting things is greater. Flash the screen whenever the kick drum goes, have notes represented on screen as 3D objects using frequency for

Re: [linux-audio-dev] Is ladspa actually la-dsp-a? Is JACK the ultimate solution?

2004-06-09 Thread Dave Griffiths
On Wed, 09 Jun 2004 15:44:53 +0200, Marek Peteraj wrote There are various kinds of users of audio SW; their requirements and opinions will vary. In my experience, most serious and professional users prefer a UI that is first of all functional, Have you done a survey? Most music software

Re: [linux-audio-dev] [OT] marketing hype

2004-06-09 Thread Dave Griffiths
On Wed, 2004-06-09 at 21:11, Marek Peteraj wrote: What linux audio offers is technology. No comfort at all. Right now it's all just academic software. This, and the lack of marketing departments is exactly why I am here. I don't want to see linux apps turning into slickly hyped lifestyle

Re: [linux-audio-dev] Project ideas?

2004-06-08 Thread Dave Griffiths
On Tue, 08 Jun 2004 09:32:18 -0400, Dave Phillips wrote What I'd really like to see: a varispeed CD player with sectional looping capability (a huge help for learning difficult passages)a true OpenGL realtime waterfall spectral display a la Alan Peever's Spectrogram you might be

Re: [linux-audio-dev] How hard is it to write a pitch shifter?

2004-04-07 Thread Dave Griffiths
On Wed, 2004-04-07 at 09:46, Cournapeau David wrote: Erik de Castro Lopo wrote: But I cant find out how to deal with the missing data that is removed - to keep the original length. Changing the pitch without changing the length is true pitch shifting. The code and concepts

Re: [linux-audio-dev] SpiralModular 0.2.2

2004-03-20 Thread Dave Griffiths
On Sun, 2004-03-14 at 18:58, CK wrote: hi dave, I read: The spiralmodular team bring you a new release of SpiralModular. Loads of fixes and features, most notably a new GUI design and improvements in LADSPA and ALSA support. now I got it to compile on my debianppc box, and it doesn't

Re: [linux-audio-dev] [announcement] kluppe 0.1

2004-03-20 Thread Dave Griffiths
On Fri, 2004-03-19 at 17:49, d wrote: hi everyone! this is the announcement of my first standalone soundapp kluppe. it's a jackified gtk-based loopplayer for files and live-input, supporting various playmodes. cool! I like it. another feature idea would be to add a loop time ratio so you can

[linux-audio-dev] SpiralModular 0.2.2

2004-03-14 Thread Dave Griffiths
The spiralmodular team bring you a new release of SpiralModular. Loads of fixes and features, most notably a new GUI design and improvements in LADSPA and ALSA support. A changelog is on the pawfal wiki here: http://www.pawfal.org/index.php/SpiralModular Download from sourceforge:

Re: [linux-audio-dev] Mx4 updated (again)

2004-03-02 Thread Dave Griffiths
On Tue, 02 Mar 2004 12:29:42 +0100, Jens M Andreasen wrote Hi! I reorganized the Mx4 panel layout slightly to regain some screen realestate. Great design! :) dave . www.pawfal.org/nebogeo

Re: [linux-audio-dev] [ANN] First public release of Lindrum v 0.5.1

2004-03-01 Thread Dave Griffiths
On Mon, 1 Mar 2004 10:24:26 -0800, Tim Hockin wrote On Mon, Mar 01, 2004 at 12:55:14PM -0500, Dave Robillard wrote: On Mon, 2004-03-01 at 07:07, guenter geiger wrote: Lack of collaboration is one of the weaknesses of the free software development (peculiarly enough it is considered one of

[linux-audio-dev] wigwamjam : a genetic programming synthesiser

2004-02-16 Thread Dave Griffiths
wigwamjam grows sounds using your decisions to drive the evolution of genetically programmed synth functions. wigwamjam is proof of concept for the moment, and not a fully blown audio tool yet. http://www.pawfal.org/Software/wigwamjam/ cheers, dave .

Re: [linux-audio-dev] DRI + Jack conflict?

2004-02-10 Thread Dave Griffiths
On Tue, 10 Feb 2004 13:21:08 +0100, Vincent Touquet wrote On Mon, Feb 09, 2004 at 06:58:49PM -0500, Dave Robillard wrote: I remember seeing that page a little while back, I'll definately look into it.. looks pretty crazy! It definitely looks great. I want to test it too. (If it's based

Re: fluxus (was: Re: [linux-audio-dev] DRI + Jack conflict?)

2004-02-10 Thread Dave Griffiths
On Tue, 10 Feb 2004 14:45:30 +0100 (CET), CK wrote hi dave, I read: I've had problems getting v19 to work, so I don't think the released fluxus version supports the new api yet - it's only a few small changes though. I think I sent you patches to make fluxus work with the new API

Re: [linux-audio-dev] DRI + Jack conflict?

2004-02-09 Thread Dave Griffiths
jack works with intel830 DRI see http://www.pawfal.org/Software/fluxus/ (you might be interested) - it used to have a native jack interface, but now works through portaudio. On Mon, 2004-02-09 at 23:26, Dave Robillard wrote: Through a painful process I'd rather not go into, I discovered that

Re: [linux-audio-dev] Software with source code?

2004-02-04 Thread Dave Griffiths
On Tue, 3 Feb 2004 17:06:12 -0500, Paul Winkler wrote (I'm moving this to linux-audio-user where the rest of this discussion has been held. Please direct replies there) On Tue, Feb 03, 2004 at 07:17:45PM +0100, Dave Griffiths wrote: At the risk of being pedantic, what is wrong

Re: [linux-audio-dev] LADSPA + GUI?

2004-02-03 Thread Dave Griffiths
On Tue, 3 Feb 2004 14:18:59 +, Steve Harris wrote On Tue, Feb 03, 2004 at 08:49:49 -0500, Dave Robillard wrote: On Tue, 2004-02-03 at 03:38, Uwe Koloska wrote: Dave Robillard wrote: If you really want to make a custom GUI for your plugin, nothing's stopping you from writing a

Re: [linux-audio-dev] Software with source code?

2004-02-03 Thread Dave Griffiths
On Tue, 3 Feb 2004 12:05:35 -0500, Paul Winkler wrote On Tue, Feb 03, 2004 at 04:53:06PM +0100, Vincent Touquet wrote: On Tue, Feb 03, 2004 at 03:32:36PM +, Steve Harris wrote: Er, yes. I think this can be left up to the submitters discression. eg. http://freshmeat.net/projects/sweep/

Re: [linux-audio-dev] Re: Project: modular synth editor

2004-01-17 Thread Dave Griffiths
On Sat, 17 Jan 2004 10:52:18 +, Steve Harris wrote On Fri, Jan 16, 2004 at 10:49:48 +0100, Marcus Andersson wrote: Hi, IMHO, think less about GTK and more about designing a language that can be used to describe the GUI of a modular synthesizer. Why not for example use XML or LISP

Re: [linux-audio-dev] Project: modular synth editor

2004-01-14 Thread Dave Griffiths
On Wed, 14 Jan 2004 18:15:24 +0100, Alfons Adriaensen wrote So any new design will either have only 'static' built-in modules, or define its own plugin format. I'll probably go for the second option, and will take the resulting flames with it. LAPSPA support will remain, of course. One

Re: [linux-audio-dev] Project: modular synth editor

2004-01-13 Thread Dave Griffiths
FWIW spiralsynth modular's main app is _just_ a GUI (with a plugin loader), it knows nothing about sound or anything else. The canvas and module widgets are normal fltk widgets. We've used it for video processing too. I don't know if I'd recommend it for anything else though... I've been

Re: [linux-audio-dev] Project: modular synth editor

2004-01-13 Thread Dave Griffiths
On Tue, 13 Jan 2004 18:09:56 +0100, Frank Barknecht wrote Hallo, Dave Griffiths hat gesagt: // Dave Griffiths wrote: I've been considering writing a modular gui in tk - PD style (but hopefully a bit prettier ;P ) Pd will probably not stay with tk, and some of its ugliness is rooted

Re: [linux-audio-dev] Linux Security Module for realtime audio

2003-12-10 Thread Dave Griffiths
On Wed, 10 Dec 2003 09:45:16 -0500, Paul Davis wrote Updating 120 GTK+ sliders (as a consequence of a patch change) took several seconds before I made the gtk thread SCHED_RR. I would call that a missed visual deadline, No? no, i'd call it an error in the toolkit or your own code. i have no

Re: [linux-audio-dev] modular synth GUI status?

2003-11-20 Thread Dave Griffiths
http://www.pawfal.org/Software/SSM/ the gui's changed quite a lot in cvs, but the modules and patching are the same pretty much... also check out galan : http://galan.sourceforge.net/ and ams http://alsamodular.sourceforge.net/ On Wed, 19 Nov 2003 20:03:06 +0200, Juhana Sadeharju wrote Hello.

Re: [linux-audio-dev] Cool Linux-based DJing tool

2003-07-31 Thread Dave Griffiths
On Thu, 31 Jul 2003 13:21:33 -0400, Paul Winkler wrote On Thu, Jul 31, 2003 at 01:14:08PM -0400, Paul Winkler wrote: On Thu, Jul 31, 2003 at 06:32:56PM +0200, Frank Neumann wrote: Homepage is at http://web.media.mit.edu/~jpatten/audiopad/ which also has a very nice 20MB Quicktime .mov

Re: [linux-audio-dev] gui chrome

2003-03-20 Thread Dave Griffiths
The interesting thing with girl is that it's programmed in MAX/MSP, there is an interview with the programmer here: http://www.creativesynth.com/interviews/PeterNyboer/pn_interview.html On Thu, 20 Mar 2003 09:31:25 -0500, Paul Davis wrote y'all know i like chrome-y interfaces, and that i like

Re: [linux-audio-dev] XAP spec - early scribbles

2003-03-08 Thread Dave Griffiths
On Thu, 06 Mar 2003 12:18:37 + Simon Jenkins [EMAIL PROTECTED] wrote: Output terminal modules (OSS,Jack,DiskWriter) Hadn't run ssm (I have now) so didn't know if outputs on a terminal were feedback from the graph outputs or if they were inputs, ie it was an I/O module. are needed to

[linux-audio-dev] Spiralsynth Modular 0.2.1

2003-03-08 Thread Dave Griffiths
SpiralSynth Modular is an object orientated music studio with an emphasis on live use. http://www.pawfal.org/Software/SSM/ * New GUI - one window with minisable/maximisable modules, no more losing track of which module window is which. (as discussed on the LAU list) * NotesnapPlugin can now

Re: [linux-audio-dev] XAP spec - early scribbles

2003-03-03 Thread Dave Griffiths
On Mon, 3 Mar 2003 11:00:52 +0100 [EMAIL PROTECTED] wrote: // First add all children of this I think that will break the recursion, as they won't be iterated through later, but you may be on the right track. what are your new features ? 16 (sixteen!) new plugins - mostly logic ones

Re: [linux-audio-dev] XAP spec - early scribbles

2003-03-02 Thread Dave Griffiths
On Sat, 01 Mar 2003 03:03:37 + Simon Jenkins [EMAIL PROTECTED] wrote: Dave Griffiths wrote: On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean

Re: [linux-audio-dev] XAP spec - early scribbles

2003-03-01 Thread Dave Griffiths
On Sat, 1 Mar 2003 12:13:21 +0100 [EMAIL PROTECTED] wrote: On Fri, Feb 28, 2003 at 09:01:21PM +, Dave Griffiths wrote: On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread Dave Griffiths
On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean that ? Latency depends on how you happen to construct the net (order of instantiation, connections etc) and/or the

Re: [linux-audio-dev] While we're talking about lack of responses :-)

2003-02-12 Thread Dave Griffiths
I might be a bit OT here, but this is always interesting for interface design: http://developer.apple.com/techpubs/macosx/Essentials/AquaHIGuidelines/ Not saying I agree with it all, but details like the layout of buttons on dialog boxes on this page are interesting:

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-06 Thread Dave Griffiths
On Thu, 6 Feb 2003 10:40:30 +, Steve Harris wrote On Thu, Feb 06, 2003 at 01:27:39 -0500, Paul Davis wrote: Again, I think we are speaking of slightly different things. I am talking about the time when (for example) the synth at the head of the chain has stopped playing notes. A

denormal floats (was Re: [linux-audio-dev] XAP spec - early scribbles)

2003-02-06 Thread Dave Griffiths
On Thu, 6 Feb 2003 14:07:06 +, Steve Harris wrote On Thu, Feb 06, 2003 at 12:18:47 +0100, Dave Griffiths wrote: I had a vague attempt at doing something like this (after noticing that filters filtering silence uses up a lot of cpu). Each sample buffer object OT: Thats probably because

Re: denormal floats (was Re: [linux-audio-dev] XAP spec - early scribbles)

2003-02-06 Thread Dave Griffiths
perfect! On Thu, 06 Feb 2003 16:09:11 +0100, Laurent de Soras [Ohm Force] wrote Dave Griffiths wrote: ahah, I was hoping for an explanation :) any ideas on how to combat this, what the squashing threshold should be? I wrote a paper on denormalized number issue, you can check it here

Re: denormal floats (was Re: [linux-audio-dev] XAP spec - early scribbles)

2003-02-06 Thread Dave Griffiths
On Thu, 6 Feb 2003 15:28:00 +, Steve Harris wrote On Thu, Feb 06, 2003 at 03:59:31 +0100, Dave Griffiths wrote: On Thu, 6 Feb 2003 14:07:06 +, Steve Harris wrote On Thu, Feb 06, 2003 at 12:18:47 +0100, Dave Griffiths wrote: I had a vague attempt at doing something like

Re: denormal floats (was Re: [linux-audio-dev] XAP spec - early scribbles)

2003-02-06 Thread Dave Griffiths
On Thu, 6 Feb 2003 16:15:46 +, Steve Harris wrote On Thu, Feb 06, 2003 at 04:46:10 +0100, Dave Griffiths wrote: Is this processor specific? I used to get it loads on my PII desktop, but I haven't noticed it as much my PIII machine (might just be because it's twice the speed

[linux-audio-dev] calling snd_seq_open in dynamically linked code

2003-01-26 Thread Dave Griffiths
I'm getting errors when I call snd_seq_open in a plugin, which go away in a standalone test app: ALSA lib dlmisc.c:100:(snd_dlsym_verify) unable to verify version for symbol snd_config_hook_load ALSA lib conf.c:2655:(snd_config_hooks_call) symbol snd_config_hook_load is not defined inside

[linux-audio-dev] Re: [Jackit-devel] Re: k_jack v0.0.0.5

2003-01-22 Thread Dave Griffiths
I thought I'd pipe up here, as I use jack on a totally unpatched, untuned system (with SCHED_FIFO) and get rock solid performance. Hmmm, that's annoying, I've never had that happen to me :-| ;-) no, seriously, that's really great! Sadly this is not the case for all of us... Would you

[linux-audio-dev] Re: [Jackit-devel] Re: k_jack v0.0.0.5

2003-01-22 Thread Dave Griffiths
I thought I'd pipe up here, as I use jack on a totally unpatched, untuned system (with SCHED_FIFO) and get rock solid performance. Hmmm, that's annoying, I've never had that happen to me :-| ;-) no, seriously, that's really great! Sadly this is not the case for all of us... Would you

Re: [linux-audio-dev] LADSPA and Softsynths

2002-12-11 Thread Dave Griffiths
On Wed, 11 Dec 2002 12:09:58 +, Steve Harris wrote On Wed, Dec 11, 2002 at 12:47:50 +0100, Dave Griffiths wrote: It also means getting midi signal routing working, as currently ssm has no polyphonic means of note signalling, but it's fairly trivial. The only thing is that it will break

Re: [linux-audio-dev] Plugin APIs (again)

2002-12-05 Thread Dave Griffiths
On Wed, Dec 04, 2002 at 08:43:11 -0800, Tim Hockin wrote: So how do VST effects do it? I can increase the delay feedback all I like and it doesn't hiccup, stutter, or misbehave at all. You're saying that this is a non-rt control because it might have to realloc() buffers? Delay

Re: [linux-audio-dev] Plugin APIs (again)

2002-12-05 Thread Dave Griffiths
On Thu, Dec 05, 2002 at 12:07:35 +0100, Dave Griffiths wrote: I'm not sure how this can be handled easily, there are lots of things like loading samples that will be impossible to handle in an RT way, but I'm not sure that something like a sampler belongs in this kind of API. I

Re: [linux-audio-dev] LADSPA output controller?

2002-11-12 Thread Dave Griffiths
Just got me thinking of LADSPA sequencers... Can you open files in a LADSPA plugin? I don't know if this is even remotely feasable, but I remember a tracker from ages ago (I can't remember if it was in linux, could have been dos) that was entirely command line driven and just read plain text

Re: [linux-audio-dev] GUIless friendly applications

2002-11-06 Thread Dave Griffiths
Mario, Could you give some descriptions of a text based interface you would like to use for realtime control of a modular synth? The building of patches seems fairly easy (via a CLI), but I'm thinking you'd want a more direct control for actually playing the thing - mapping the parameters to

Re: [linux-audio-dev] GUIless friendly applications

2002-11-06 Thread Dave Griffiths
Dave Griffiths [EMAIL PROTECTED] writes: Mario, Could you give some descriptions of a text based interface you would like to use for realtime control of a modular synth? The building of patches seems fairly easy (via a CLI), but I'm thinking you'd want a more direct control

Re: [linux-audio-dev] GUIless friendly applications

2002-11-05 Thread Dave Griffiths
I agree with your stance about merging GUI and engine code: it is a mess and often introduces many maintenance and performance problems. As someone who has just spent the best part of three months rewriting code - ohh I learnt the hard way ;) dave

[linux-audio-dev] Help on threads needed

2002-11-04 Thread Dave Griffiths
Hi all, I'm just trying to tweak SpiralSynthModular's threads to be a bit more efficient, and I can't seem to find much info regarding thread priorities and such. I have two threads, a GUI one and an audio one. I can hand the audio thread over to Jack which works fine, but I'd also like to be

Re: [linux-audio-dev] Help on threads needed

2002-11-04 Thread Dave Griffiths
in the SCHED_OTHER class, its not possible to override the fair scheduling characteristics of the kernel scheduler. you can certainly use nice to adjust the relative priorities of the threads (well, actually, sched_setparam()) and this will alter the way the threads are scheduled. but the

Re: [linux-audio-dev] Re: image problem [was Re: [Alsa-devel] help for a levelmeter]

2002-10-18 Thread Dave Griffiths
Things like jack have to be graphically wrappered or hidden too, no scrolling text windows of xruns. The occasionaly discussed jack session saving gizmo would be a knock dead feature. mmm a jack controller app that you could configure (with a mouse) start jack and check the current state, use

[linux-audio-dev] SpiralSynthModular now hosted on SourceForge

2002-10-03 Thread Dave Griffiths
Just a quick note to let you know there is now a sourceforge page for SSM: http://sourceforge.net/projects/spiralmodular/ The CVS version is a bit ropey at the moment, but feel free to check it out and flood the bug tracker :) All the best, Dave : www.pawfal.org :

Re: [linux-audio-dev] SpiralSynthModular now hosted on SourceForge

2002-10-03 Thread Dave Griffiths
On Thu, Oct 03, 2002 at 11:31:05 +0100, Dave Griffiths wrote: Just a quick note to let you know there is now a sourceforge page for SSM: http://sourceforge.net/projects/spiralmodular/ Does that mean there wil be a mailing list? Yeah I guess - I'll set one up, for developers or users

Re: [linux-audio-dev] SpiralSynthModular now hosted on SourceForge

2002-10-03 Thread Dave Griffiths
On Thu, Oct 03, 2002 at 12:32:47 +0100, Dave Griffiths wrote: Does that mean there wil be a mailing list? Yeah I guess - I'll set one up, for developers or users? or both? Well, as a user, for users, you developers can do what you like ;) :) here you are: http://lists.sourceforge.net

Re: [linux-audio-dev] New spiralsynthmodular beta availible

2002-09-06 Thread Dave Griffiths
On 05 Sep 2002 16:06:37 +0100, Dave Griffiths wrote: The makefile attempts to build the jack plugin, which I haven't finished porting yet, but it shouldn't affect the install. So does that mean that this verision won't talk to jack? Not yet, mainly as I haven't got alsa

[linux-audio-dev] New spiralsynthmodular beta availible

2002-09-05 Thread Dave Griffiths
This is a preliminary release of the multithreaded version of ssm which will eventually use jack as it's main communication with the outside world. http://www.pawfal.org/Software/SSM/dload/SSM-0.1.2b1.tar.gz I guess it's more alpha than beta quality, don't download it for musical use, there are

Re: [linux-audio-dev] New spiralsynthmodular beta availible

2002-09-05 Thread Dave Griffiths
The makefile attempts to build the jack plugin, which I haven't finished porting yet, but it shouldn't affect the install. So does that mean that this verision won't talk to jack? Not yet, mainly as I haven't got alsa working on my new machine yet, let alone jack. There isn't much to do

Re: [linux-audio-dev] What I think about reborn.

2002-08-16 Thread Dave Griffiths
I'm a bit shocked by the attitudes that have been displayed here too, and it's unusual to see on this list. Linux was started for fun, please don't forget that. Hey Brian and others. On Thu, 15 Aug 2002, Brian Redfern wrote: I didn't mean to say anyone has to do anything, but its a lot

Re: [linux-audio-dev] galan-0.2.8 with ladspa v1.1

2002-07-22 Thread Dave Griffiths
galan is the graphical audio language which is similar to spiral synth modular or reaktor or buzz it is availabe from http://www.informatik.uni-bremen.de/~torbenh --- Torben Hohn --- [EMAIL PROTECTED] It's great to see this app's being worked on again! Dave : www.pawfal.org :

Re: [linux-audio-dev] Voltage: a vaporware audio/MIDI studio

2002-07-19 Thread Dave Griffiths
I've started with something like this too. Buzz is the only software, for what I still use Windows. I've already registered a project called 'buzztard' on sourcefore and started designing (and doing a few coding experiments). I think we should try to see if our ideas fit together and

Re: [linux-audio-dev] Poll about linux music audio app usability

2002-06-13 Thread Dave Griffiths
The problem seems to be either... A) That there aren't enough of these people to go around. B) That these people aren't in touch with the people who want to write code, or just have a hard time coordinating with them. or C) That these people aren't very deeply involved

Re: [linux-audio-dev] Moog VCF in SpiralSynthModular

2002-05-24 Thread Dave Griffiths
You mean dynamic resonance control at _audio_ rate ? I would assume that being able to feed envelopes and LFO up to perhaps 10 Hz is sufficient for the resonance port ? You can get some fantasic effects modulating cutoff at near audio rate or above :) Dave : www.pawfal.org :

Re: [linux-audio-dev] Moog VCF in SpiralSynthModular

2002-05-24 Thread Dave Griffiths
LADSPA currently makes audio+control ports orthogonal to each other. i don't think there are any LADSPA hosts at this time that allow the user to connect the ports by hand ... Well, you can connect audio signals to LADSPA control inputs in ssm, but of course, it just uses the first sample

Re: [linux-audio-dev] Moog VCF in SpiralSynthModular

2002-05-24 Thread Dave Griffiths
Maybe we should consider a rethink on the meaning of LADSPA port types, as clearly it is not the case that a LADSPA_PORT_AUDIO type port will always recieve what is considered 'audio' data? The main reasoning behind the design of ssm is that there is no distinction between control and audio

Re: [linux-audio-dev] Moog VCF in SpiralSynthModular

2002-05-22 Thread Dave Griffiths
Today I discovered that SpiralSynthModular has a Moog VCF. From the Stilson paper (http://ccrma- www.stanford.edu/~stilti/papers/moogvcf.pdf) I learned that digitizing the Moog VCF is a nontrivial problem. So I would like to ask two questions 1) On which papers/information/sample code

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