Re: [linux-audio-dev] Catching up with XAP

2003-01-15 Thread Fons Adriaensen
are emergency features that are not used normally. Again I tend to agree with David. Stopping the stream of events should not imply that all sounds stop, even if this may be what you want most of the time. -- Fons Adriaensen Alcatel Space

[linux-audio-dev] XAP - VVID Extended Midi Protocal

2003-01-17 Thread Fons Adriaensen
invited !! -- Fons Adriaensen

Re: [Jackit-devel] Re: [PD-announce] Re: [linux-audio-dev] ANN: k_jack v0.0.0.5 and Mammut v0.15

2003-01-24 Thread Fons Adriaensen
= start time, and the buffer if pre-filled before starting, then the k-th sample will reach the DA converter at T + (k + B) / Fs. The time the sample was computed doesn't matter. -- Fons Adriaensen Alcatel Space

Re: [linux-audio-dev] Audio s/w ui swallowing

2003-01-31 Thread Fons Adriaensen
. I was just trying this out (on Solaris ...) when this message came in. It works, and it's simple (if you have the habit of working with X directly). -- Fons Adriaensen ALCATEL SPACE

RE: [linux-audio-dev] newest audio server for Linux (yep, yet another)

2003-02-05 Thread Fons Adriaensen
David O'Toole writes: Probably. I think it was Bjarne Stroustrup who said something along the lines of Every use of a define is an instance of a programmer not programming correctly. But I was just wondering if it was some portability thing or something. I think

[linux-audio-dev] LAD Meeting at ZKM Karlsruhe 14-16 March 2003

2003-02-10 Thread Fons Adriaensen
could avoid all the memcpy() calls by just manipiulating buffer pointers. This does not increase required buffer sizes, as you need two buffers anyway. -- Fons Adriaensen ALCATEL SPACE

Re: [linux-audio-dev] BruteFIR + jack = crackling noise?

2003-02-25 Thread Fons Adriaensen
using different blocksizes at a time (assuming sample frequencies are coherent) ? -- Fons Adriaensen ALCATEL SPACE

[linux-audio-dev] LAD meeting - Linux Sound Night

2003-02-26 Thread Fons Adriaensen
Frank Barknecht writes: Hallo, with the LAD meeting getting closer, I'm getting a bit curious about, what the plans are for the open Linux Sound Night on 15.3.? Will we hear some of you guys perform and Paul records it? And will there be a Ladies' Programme, as at the AES conventions ?

Re: [linux-audio-dev] Linux Alsa Audio over 1394 - a Thesis

2003-02-26 Thread Fons Adriaensen
Martijn Sipkema writes: According to the mLAN spec you need a buffer of around ~250us (depending on format) to collate the packets. Still there is no guarantee that 10 packets always have exactly the same number of samples. You say the mLAN spec says you need a buffer of around

[linux-audio-dev] Why? call back API and other thoughts...

2003-02-28 Thread Fons Adriaensen
variables. -- Fons Adriaensen ALCATEL TELECOM

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-02-28 Thread Fons Adriaensen
(), which takes a struct timespec * referring to an absolute time, the same you can get with clock_gettime(). I had the impression this gave me almost microsecond resolution timing (but I did not look closesly at the precision at the time). -- Fons Adriaensen ALCATEL SPACE

Re: [linux-audio-dev] Why? call back API and other thoughts...

2003-02-28 Thread Fons Adriaensen
Roger Larsson writes: This can easily be avoided by making these 'free-running' threads wait on an event that has the right frequency, e.g. a counting semaphore that is incremented by the output module each time a block is processed. This way you can eleminate all buffering between the

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-02-28 Thread Fons Adriaensen
Steve Harris writes: On Fri, Feb 28, 2003 at 03:49:59 +0100, Fons Adriaensen wrote: Is this really new ? I was porting some C++ thread classes (originally developed for Solaris) to 2.4.19 this week. The ITC mechanism uses pthread_cond_timedwait(), which takes a struct timespec

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-03-04 Thread Fons Adriaensen
Paul Davis writes: the kernel gives non-SCHED_FIFO/RR threads roughly 1/HZ resolution. Seems to be 20 ms on my unpatched standard SuSE 2.4.19. I imagine this can be lowered by modifying the kernel config ? SCHED_FIFO/RR threads can get better than that if the delay is very small, but its

Re: [linux-audio-dev] idea: wavelets of variable frequencies

2003-06-19 Thread Fons Adriaensen
On Thu, Jun 19, 2003 at 11:23:07PM +0200, Tom Weber wrote: ! Instead of doing a discrete fourier transform when reading a small frame of the sound, do a dense transform (every 0.1 Hz?) and pick out the peaks. Then assume that a similar enough frequency in the next frame comes from the same

Re: [linux-audio-dev] Re: [Sursound] UHJ live encoding / LADSPA plugin?

2003-06-22 Thread Fons Adriaensen
On Sun, Jun 22, 2003 at 10:50:39PM +0100, DG Malham wrote: Not that I know of, yet. Dave On Fri, 20 Jun 2003, oliver thuns wrote: hello, i'm looking for a solution to encode an ambisonics signal to 2 channel UHJ in real time. is there for example a LADSPA or (linux

Re: [linux-audio-dev] [ANN] VLevel 0.5

2003-07-06 Thread Fons Adriaensen
On Sun, Jul 06, 2003 at 05:12:08PM -0500, Tom Felker wrote: VLevel is written in C++. I have two questions. First, why do most other plugins allocate and free copies of their strings and structures, instead of just passing the literal (as I do)? The declarations in ladspa.h don't allow

Re: [linux-audio-dev] It's been more than a year... Have things improved?

2003-07-06 Thread Fons Adriaensen
On Sun, Jul 06, 2003 at 05:35:41PM -0300, Juan Linietsky wrote: 4-Interface abstraction for plugins.: We all know how our lovely X11 does not allow for a sane way of sharing the event loop between toolkits This is a problem of those toolkilts, not of the X system. They all combine two things

[linux-audio-dev] Re:ZynAddSubFX

2003-07-17 Thread Fons Adriaensen
On Thu, Jul 17, 2003 at 05:22:19AM -0300, Juan Linietsky wrote: On Wednesday 16 July 2003 22:21, Nasca Paul wrote: Hi. I released ZynAddSubFX 1.4.2 I can understand about metal lyrics being anti-christian, we've seen that countless times in groups from megadeth to iron maiden, But I

[linux-audio-dev] calling all Terratec EWS88MT / envy24 control users

2003-07-25 Thread Fons Adriaensen
Hello list, I hope there are some other users of the Terratec EWS88MT card out there, because I seem to be in serious trouble - the card 'works' but not in a way that makes it useful. I've got a test program that outputs the same signal (1 kHz sine at -6 dB below peak level) to all eight

Re: [linux-audio-dev] calling all Terratec EWS88MT / envy24 control users

2003-07-26 Thread Fons Adriaensen
On Fri, Jul 25, 2003 at 10:38:40PM -0400, Paul Winkler wrote: there is/was a bug in some version of envy24control that caused this behavior. I forget which version of alsa that corresponded to. 0.9.2 or something? check the alsa-user archives... Thanks for the info. I've found out a bit

Re: [linux-audio-dev] [ann] guitar preamp plugin, v2

2003-11-06 Thread Fons Adriaensen
On Wed, Nov 05, 2003 at 10:43:17AM +, Steve Harris wrote: Nope, polyphases only filter at fs/(2^n), they are used for resampling and reconstruction. You seem to use a very odd definition of 'polyphase filter'. In fact any FIR you like can be

Re: [linux-audio-dev] LADSPA: proposition for polyphonic use of plugins

2003-11-17 Thread Fons Adriaensen
Hi Paul, have you considered the possibility that Xlib is not statically thread-safe? if there are any globals in the implementation of Xlib, this scheme will fail as soon as the host is using Xlib as well. Yes, and if X does its bookkeeping in terms of 'processes' and not 'clients' the same

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

2003-11-19 Thread Fons Adriaensen
On Wed, Nov 19, 2003 at 08:03:06PM +0200, Juhana Sadeharju wrote: Hello. Who of us are working on a modular synth GUI where user grabdrag modules and connects them with cables? I'm myself interested in the editor GUI development --- there already are many modular audio engines, but not

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

2004-01-14 Thread Fons Adriaensen
On Wed, Jan 14, 2004 at 06:42:58PM +, Mike Rawes wrote: With the exception of samples or other 'blob' data (e.g. IR impulses), I'm fairly confident that a good modular could be constructed with LADSPA as it is. I'm prepared to be proved wrong though! You're probably right about this. But

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

2004-01-14 Thread Fons Adriaensen
On Wed, Jan 14, 2004 at 01:46:52PM -0500, Dave Robillard wrote: Quick digression about LADSPA in ams: is there a reason exported control ports on LADSPA plugins don't work (at least for me anyway)? I realize control ports run at a different rate than the audio, but since the ports are

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

2004-01-16 Thread Fons Adriaensen
On Fri, Jan 16, 2004 at 09:08:33PM +0100, Joost Diepenmaat wrote: ... most plugins just let the GUI be generated by the host, and of those that don't, only a couple actually improve the situation - actually, the only one I can think of is the default mixer plugin, which has 16 channels with

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

2004-01-16 Thread Fons Adriaensen
On Fri, Jan 16, 2004 at 02:46:25PM -0500, Dave Robillard wrote: I'll just assume you have your reasons. But just because AMS is going to have metadata doesn't mean some modular synth can't use LADSPA without doing so. Nor did I say so. To illustrate this point, let me mention the problem of

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

2004-01-16 Thread Fons Adriaensen
On Fri, Jan 16, 2004 at 02:49:05PM -0500, Dave Robillard wrote: On Thu, 2004-01-15 at 08:52, Alfons Adriaensen wrote: On a more general tone: I think we should be less afraid of complexity and learning curves. Dumbing down maybe required in order to be popular, but that's not my aim. And

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

2004-01-17 Thread Fons Adriaensen
On Sat, Jan 17, 2004 at 10:20:00AM +, Steve Harris wrote: Thats true, but the voice controller is generally part of the host environment, not a plugin. It would typically be the think wihich is resonsible for splitting the MIDI data to multiple sub-patches and routing the CV streams

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

2004-01-19 Thread Fons Adriaensen
On Mon, Jan 19, 2004 at 08:56:52PM +, Simon Jenkins wrote: Worse: JACK - A - JACK - C - JACK - B - JACK Where C is in a separate client. Now... +---+ | | +---|- C -|--+ | | | | | +---+ | |

Re: [linux-audio-dev] Ecasound question

2004-02-03 Thread Fons Adriaensen
Thanks a lot Kai and Eric (see below) for your help. On Tue, Feb 03, 2004 Kai Vehmanen wrote: ecasound -a:1,6 -f:32,12,44100 -i alsa \ -a:1 -f:32,1,44100 -o t1.wav \ -a:6 -erc:6,1 -f:32,1,44100 -o t6.wav \ -a:2 -i t2.wav -ea:200 \ -a:5 -i t5.wav -erc:1,5

Re: [linux-audio-dev] Re: Modular Jack patch bay

2004-02-06 Thread Fons Adriaensen
On Fri, Feb 06, 2004 at 04:08:31PM -0500, Dave Robillard wrote: Just click on Export control ports as module ports. Sure, but they don't actually work. At least not for me, from the AMS discussion on this list I thought it was a known limitation (since everything in AMS is audio rate).

[linux-audio-dev] [ANN] Website

2004-02-24 Thread Fons Adriaensen
Hello List, I've finally found the time to put my Linux Audio things online, at http://users.skynet.be/solaris/linuxaudio. You will find there * the latest releases of the MCP, REV and VCO plugins (previously on the alsamodular site), * some things that are under construction, * two ogg

Re: [linux-audio-dev] TAP-plugins reverb presets

2004-03-04 Thread Fons Adriaensen
On Fri, Mar 05, 2004 at 02:10:30AM +0100, Tim Goetze wrote: dancing forever around the S in ladspa, yelling 'heretic' at any extension proposal, is only going to make us the fools of the universe. we only have this standard and things are evolving, and so it also must. I couldn't agree

Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)

2004-03-08 Thread Fons Adriaensen
On Mon, Mar 08, 2004 at 05:58:48PM +, Steve Harris wrote: I dont think that scale markings, / enumerations, defaults and units are logically connected to the same extent that upper and lower bounds are. That is a matter of opinion of course. Well, for me ENUMs on an integer param that

Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)

2004-03-08 Thread Fons Adriaensen
On Mon, Mar 08, 2004 at 10:06:25PM +0100, Tim Goetze wrote: [Fons Adriaensen] Can you point me to some document that contains that requirement ? not that i knew of any. simple reasoning tells us you cannot, for example, connect a LFO (-1 .. 1) to, say, a phaser modulation depth (0 .. 1

Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)

2004-03-08 Thread Fons Adriaensen
On Mon, Mar 08, 2004 at 11:23:20PM +0100, Fons Adriaensen wrote: On Mon, Mar 08, 2004 at 10:06:25PM +0100, Tim Goetze wrote: while we're at it, i'd also like to know why limiting the value-label mapping to integers is beneficial. It's two different problems that happen to map to similar

Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)

2004-03-08 Thread Fons Adriaensen
On Tue, Mar 09, 2004 at 12:46:09AM +0100, Tim Goetze wrote: [Fons Adriaensen] You can, and you're responsable for the result. I wouldn't want a host stopping me from doing this, and in fact do similar things all the time in AMS. ok, then you've probably already connected LFOs to TOGGLED

Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)

2004-03-09 Thread Fons Adriaensen
On Tue, Mar 09, 2004 at 06:49:46PM +0100, Tim Goetze wrote: thanks for providing the code. i'll not argue it is not complete seeing that it seems impossible to obtain ladspa.h or gcc from your workplace. :) It's not impossible to get them, and in fact I'm using five versions (for different

[linux-audio-dev] LADSPA extension - Formal proposal.

2004-03-09 Thread Fons Adriaensen
Hello list, After much debate, I propose to extend the current LADPSA 1.1 interface specification in the way documented below. Two new LADSPA_HINT bits are introduced. Both can be ignored by existing hosts without any ill consequences. The purpose of the first new bit is to allow simple hosts

[linux-audio-dev] SWITCHED versus ENUMERATED (was: +momentary, consolidated (ladspa.h.diff))

2004-03-09 Thread Fons Adriaensen
On Tue, Mar 09, 2004 at 09:05:16PM +0100, Tim Goetze wrote: if you don't even see compactness as a virtue, there's only elegance remaining to recommend your proposal. elegance at the cost of increased complexity in understanding and implementation, no matter how you look at it. It *is*

Re: [linux-audio-dev] how about a LADSPA BOF session at LAConf#2 ?

2004-04-09 Thread Fons Adriaensen
On Fri, Apr 09, 2004 at 04:51:57PM +0100, Steve Harris wrote: On Fri, Apr 09, 2004 at 04:47:59 +0200, Alfons Adriaensen wrote: The advantage of having a real dictator is that no concensus is needed :-) I think the word benevolent was used ;) Yes, but a benevolent dictator, seeing his

Re: [linux-audio-dev] Anyone planned a GTK2-based Multitracker?

2004-04-09 Thread Fons Adriaensen
On Fri, Apr 09, 2004 at 10:04:16PM +0200, Samuel Abels wrote: There is a need for a GTK2 midi sequencer though. *hint, hint* :) Actually, I have been thinking about that, also. Actually, I have even created a (not completely finished) display widget for MIDI tracks using GTK2-perl,

Re: [linux-audio-dev] Anyone planned a GTK2-based Multitracker?

2004-04-10 Thread Fons Adriaensen
On Sat, Apr 10, 2004 at 06:08:31PM +0200, Kjetil Svalastog Matheussen wrote: Thats not what I said. Or ment at least. I said; use a high-level language for high-level operations. I'm not saying: Do computer-intensive/realtime critical operations with lisp/python/ruby/etc. Ardour consist of

Re: [linux-audio-dev] Travel to lad-conf

2004-04-17 Thread Fons Adriaensen
afternoon, probably along the route Karlsruhe - Frankfurt - Koeln - Aachen - Brussels - Antwerp. So maybe we can share part of the trip. As I want to be back before midnight, I'll have to leave around 15:00 to 16:00. If that would correspond to your plans, let me know. -- Fons Adriaensen

Re: [linux-audio-dev] Travel to lad-conf - Message for Julien

2004-04-22 Thread Fons Adriaensen
On Sun, Apr 18, 2004 at 04:32:44PM +0200, Julien Claassen wrote: Hi Fons! It would be very cool, if we could take a ride to Colone together. You wuoldn't need a ticket for that passage. I'd like to see the panel discussion though. But, well I think four PM would be ok. Hello Julien, I

[linux-audio-dev] [ANN] FIL-plugins-0.0.1

2004-05-11 Thread Fons Adriaensen
Hello all, The first release of FIL-plugins is now available at http://users.skynet.be/solaris/linuxaudio There's one plugin in this first release, a four-band parametric equaliser. Each section has an active/bypass switch, frequency, bandwidth and gain controls. There is also a global bypass

Re: [linux-audio-dev] API for Input / Output plugins

2004-05-11 Thread Fons Adriaensen
On Tue, May 11, 2004 at 06:01:04PM -0400, Paul Davis wrote: there are fundamentally different approaches to handling i/o when it involves hardware. one of them is based on the traditional unix read/write model, the other is based on a callback/interrupt model. its not easy to reconcile these

Re: [linux-audio-dev] [ANN] FIL-plugins-0.0.1

2004-05-12 Thread Fons Adriaensen
On Wed, May 12, 2004 at 01:09:37AM +0200, Tim Goetze wrote: The first release of FIL-plugins is now available at first impression: sounds real good, nice to have smoothened controls too. could do without the global and section bypass though. cpu is ~ 3.5 % @ 64/44.1 on this 1.7G athlon,

Re: [linux-audio-dev] aeolus surround

2004-05-13 Thread Fons Adriaensen
On Thu, May 13, 2004 at 11:39:27AM -0400, Jesse Chappell wrote: I assume you meant 4 and 8 respectively. What about 3? Yes, of course. Incidentally, I notice that in 0.1.0 that when you specify values 5-7 it segfaults, and 8 causes jackd to hang up entirely on my system. Shame on me. I

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 05:55:07PM +0200, Marcus Andersson wrote: Alfons Adriaensen wrote: Another point. I've defended the adoption of simple integer enumerations (corresponding to a C switch) using the argument that it is the single missing essential feature in the port information. At

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 12:01:01PM -0400, Paul Davis wrote: I don't mind *IFF* the metadata file has a simple, human readable syntax (no XML please) that can be parsed line by line. no XML, and yes, parsable line by line, and yes, human readable. *but* the plan should be to use the supplied

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 04:53:53PM +0100, Steve Harris wrote: Yes, but xrm misses most of the desirable feaures of metadata languages (agreed semantics, extensibility and so on). We could just use the syntax, but its pretty complex for non-X11 apps that want to parse it. Actually, it's very

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 11:31:01AM -0500, Jack O'Quin wrote: I'm having trouble figuring out Fons' original point here, though I'm sure he has one. Simple and human readable are worthwhile goals, but hard to reconcile. Strange.. I'd think these two would go hand in hand... Whit 'simple' and

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 01:15:37PM -0400, Dave Robillard wrote: On Fri, 2004-05-14 at 13:07, Fons Adriaensen wrote: no XML, and yes, parsable line by line, and yes, human readable. *but* the plan should be to use the supplied library to get and set values. nobody should be doing

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 01:19:11PM -0400, Paul Davis wrote: On Fri, May 14, 2004 at 12:01:01PM -0400, Paul Davis wrote: I don't mind *IFF* the metadata file has a simple, human readable syntax (no XML please) that can be parsed line by line. no XML, and yes, parsable line by line, and

[linux-audio-dev] [ANN} Aeolus

2004-05-04 Thread Fons Adriaensen
The first release of Aeolus is now available at http://users.skynet.be/solaris/linuxaudio Enjoy ! -- Fons

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 08:10:32PM +0100, Steve Harris wrote: On Fri, May 14, 2004 at 07:07:59 +0200, Fons Adriaensen wrote: On Fri, May 14, 2004 at 12:01:01PM -0400, Paul Davis wrote: I don't mind *IFF* the metadata file has a simple, human readable syntax (no XML please) that can

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 04:03:55PM -0400, Dave Robillard wrote: On Fri, 2004-05-14 at 14:09, Fons Adriaensen wrote: I suppose the question is _why_ would you fiercely resist this good design practise? System interfaces are often defined by an API (and even that is questionable since

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-14 Thread Fons Adriaensen
On Fri, May 14, 2004 at 10:50:31PM +0100, Steve Harris wrote: I dont really see the avantage of this - control and description are seperate tasks, and not even closely related. Very closely related if you consider that the ultimate purpose of a description is to control something. Why should

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-15 Thread Fons Adriaensen
On Sat, May 15, 2004 at 07:10:30AM +0200, Marcus Andersson wrote: Interesting interpretation. This means that the mapping between the slider and the parameter will be f(x) = k*a^x with k=f(0) and a = f(1) if the slider goes form 0 to 1. You probably meant a = f(1)/f(0). This also

Re: [linux-audio-dev] LADSPA proposal ...

2004-05-16 Thread Fons Adriaensen
On Sun, May 16, 2004 at 09:14:46AM +0200, Marcus Andersson wrote: This also means that it is illegal to include 0 in the parameter range. In that case you can use f(x) = x*a^x, with a = f(1). How do I invert this function? I am stuck. You need the inverse only to set the slider to a

Re: [linux-audio-dev] Info required: FLAC on W*****S

2004-05-18 Thread Fons Adriaensen
On Wed, May 19, 2004 at 06:46:18AM +1000, Erik de Castro Lopo wrote: Once libsndfile gets Ogg Vorbis and Speex support, FLAC support is also high on the list. Since libsndfile accepts WAV-EX (stupid fscking microsoft idea) it will be able to transcode WAV-EX - FLAC without a problem.

Re: [linux-audio-dev] [OT] Info required: FLAC on W*****S

2004-05-20 Thread Fons Adriaensen
On Thu, May 20, 2004 at 08:00:31AM +0200, Jens M Andreasen wrote: I went to ambisonic and read the FAQ. I do not agree with them when they say that 2-channel stereo is only good for imaging between the speakers. I do not see such a statement in the FAQ. It is possible by using phase

Re: [linux-audio-dev] Info required: FLAC on W*****S

2004-05-20 Thread Fons Adriaensen
On Thu, May 20, 2004 at 07:07:52AM -0400, Paul Davis wrote: this will get you started: http://www.soundonsound.com/sos/Aug01/articles/surroundsound1.asp?session=dec5645986353a3e68c8439720360f53 Hi Paul, interesting pointer, it's in my bookmarks now ! Thanks ! -- Fons

Re: [linux-audio-dev] Info required: FLAC on W*****S

2004-05-26 Thread Fons Adriaensen
Hi Joern, not superior, but equivalent, less snake-oil-infested, cheaper, more general and more elegant. ahem, yes, superior :-D you can express any spatial sound with just 4 channels, where one is the mono component, and 3 are the x, y, and z-axis difference signals (similar to m/s

Re: [linux-audio-dev] re: [linux-audio-user] A bit of goodnews--paper now available for your viewing pleasure and/or comments

2004-05-28 Thread Fons Adriaensen
On Fri, May 28, 2004 at 12:38:03PM -0700, Fernando Pablo Lopez-Lezcano wrote: Hmm, it would be a fun project then to come up with a profiler of various audio cards by recording and then capturing a specific buffer of audio data. Then by comparing them (assuming that this drift is constant)

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

2004-06-08 Thread Fons Adriaensen
On Tue, Jun 08, 2004 at 01:54:58PM +0200, Marek Peteraj wrote: Fons' Moog HP filter is a complex piece of DSP i suspect. No, it's actually quite simple :-) The most complex one is the four-band parametric filter I released recently, and that's also the only one that is not intended as an AMS

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

2004-06-09 Thread Fons Adriaensen
On Thu, Jun 10, 2004 at 12:26:07AM +0200, Marek Peteraj wrote: I've never seen such inapt community btw, which is totally ignorant in organizing itself. See the gnome community which started to exist the same year. They have more conferences per year, one of them being huge(guadec) with

[linux-audio-dev] [ANN] New releases of Aeolus and Jaaa

2004-06-13 Thread Fons Adriaensen
New releases of Aeolus and Jaaa are now available at http://users.skynet.be/solaris/linuxaudio Aeolus-0.2.0 - bugfixes, - some new stops, - added tuning and temperament controls, - added controls for tremulant speed and intensity. Still no manual :-( but it's coming... This

[linux-audio-dev] [ANN] updates

2004-06-14 Thread Fons Adriaensen
Already some bugfixes to the things I announced less than 24 hours ago... jaaa-0.1.1.tar.bz2 clthreads-0.0.3.tar.bz2 as usual to be found on http://users.skynet.be/solaris/linuxaudio Thanks to Jesse Chappell for pointing out the problems. -- FA

Re: [linux-audio-dev] [ANN] New releases of Aeolus and Jaaa

2004-06-15 Thread Fons Adriaensen
Hi Fernando, First of all, if you package Aeolus and Jaaa please use the most recent versions that I released only yesterday evening (libclthreads-0.0.3 and jaaa-0.1.1). I noticed something different. I used to be able to start Aeolus and click on [Next] and then I would get a preset (you

Re: [linux-audio-dev] [ANN] New releases of Aeolus and Jaaa

2004-06-17 Thread Fons Adriaensen
On Thu, Jun 17, 2004 at 07:04:42PM +0200, Dr. Matthias Nagorni wrote: On Thu, 17 Jun 2004, Alfons Adriaensen wrote: - I have the same SL 9.0 and ALSA version (but other soundcards) - The ALSA code is a near copy of the ALSA code in JACK, in both cases memory mapped access is used.

Re: [linux-audio-dev] Multithreaded programming for a poll model?

2004-06-17 Thread Fons Adriaensen
On Thu, Jun 17, 2004 at 08:26:51PM +0100, Chris Cannam wrote: One way to do this is to use pthread conditions. Have a ring buffer between your decoder and RT threads, with the decoder sleeping for short periods of time between reads using pthread_cond_timedwait or similar. This causes

Re: [linux-audio-dev] [ANN] New releases of Aeolus and Jaaa

2004-06-18 Thread Fons Adriaensen
around the bug you reported I suggested -d hw:0.0 This should be -d hw:0 (tested, this works). I also found the cause of the problem, it's not in Aeolus but in one of the shared libraries. Kind regards, -- Fons Adriaensen

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

2004-06-25 Thread Fons Adriaensen
On Fri, Jun 25, 2004 at 06:54:20PM +0200, Thorsten Wilms wrote: Requiring the user to read documentation to learn about functionality he would not even expect is not an option. Have education levels gone down *that* far ? -- FA

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

2004-06-25 Thread Fons Adriaensen
On Fri, Jun 25, 2004 at 06:15:24PM -0400, Pete Bessman wrote: I have a very simple request for everybody who loathes plug-and-drool usability: show me the tunes. That's all. Lemme hear the avant garde music enabled by avant garde interfaces The most avant-garde music is enabled by very dull

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

2004-06-25 Thread Fons Adriaensen
On Fri, Jun 25, 2004 at 03:38:10PM -0400, Lee Revell wrote: On Fri, 2004-06-25 at 12:00, Fons Adriaensen wrote: On Fri, Jun 25, 2004 at 06:54:20PM +0200, Thorsten Wilms wrote: Requiring the user to read documentation to learn about functionality he would not even expect

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

2004-06-25 Thread Fons Adriaensen
On Fri, Jun 25, 2004 at 08:29:44PM +0200, Thorsten Wilms wrote: On Fri, Jun 25, 2004 at 06:00:42PM +0200, Fons Adriaensen wrote: On Fri, Jun 25, 2004 at 06:54:20PM +0200, Thorsten Wilms wrote: Requiring the user to read documentation to learn about functionality he would not even

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

2004-06-26 Thread Fons Adriaensen
On Fri, Jun 25, 2004 at 07:55:50PM -0400, Pete Bessman wrote: At Fri, 25 Jun 2004 23:28:35 +0200, Fons Adriaensen wrote: so that I can compare it against the mouth-breathing crow-magnon music created with shiny-quarter interfaces. I'm sure the results will speak for themselves

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

2004-06-26 Thread Fons Adriaensen
On Sat, Jun 26, 2004 at 01:33:59AM -0400, Lee Revell wrote: Designing for usability is not rocket science. For the phone example, the options (in decreasing order of desirability) are: 1. A self-explanatory pictorial representation. 2. A text label. 3. An

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

2004-06-26 Thread Fons Adriaensen
On Sat, Jun 26, 2004 at 01:41:17AM +0100, Dave Griffiths wrote: Having worked professionally on related things, I just can't stand the I HAVE to understand everything about an interface in 5 SECONDS! attitude to gui design. People can learn things, it's part of playing music on real

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

2004-06-26 Thread Fons Adriaensen
On Sat, Jun 26, 2004 at 11:50:29AM -0400, Pete Bessman wrote: Great, well, I made the observation that the intelligentsia have microscopic genitalia. (What, you want my data? Surely you jest.) Ergo, the smarter a person claims to be, the greater the magnification they require at the urinal.

Re: [linux-audio-dev] Knobs / widget design + some OT stuff

2004-06-27 Thread Fons Adriaensen
On Sat, Jun 26, 2004 at 09:58:19AM +0200, Thorsten Wilms wrote: With regards to widgets, I stated that requiring the user to read documetation in order to use a widget is not an option. It was especialy about visualizing / hinting at functionality. The fan-sliders without the fan graphics

Re: [linux-audio-dev] Knobs / widget design + some OT stuff

2004-06-28 Thread Fons Adriaensen
On Mon, Jun 28, 2004 at 08:47:48AM +0200, Jens M Andreasen wrote: Actually, in my house we speak latin only when we feel the urge to make fun of people in badly need of a good argument. Out of house, of course, we speak latin to make people feel stupid and stop argueing with us. I don't live

Re: [linux-audio-dev] Knobs / widget design + some OT stuff

2004-06-28 Thread Fons Adriaensen
On Sun, Jun 27, 2004 at 11:03:15PM -0400, Pete Bessman wrote: That's a straw man. The original point was something to the effect of a volume knob which can only be operated after studying a manual is an indication that the UI designer is a failure, although my rendition is probably more

Re: [linux-audio-dev] Re: desktop and multimedia as an afterthought?

2004-07-13 Thread Fons Adriaensen
On Tue, Jul 13, 2004 at 11:37:12PM +0100, Martijn Sipkema wrote: IMHO it is the lack of a mutex implementation with priority ceiling or inheritance and the stories about relying on either being a design problem that have caused the Linux audio community to not use mutexes and declare them

[linux-audio-dev] [ANN] new releases

2004-07-22 Thread Fons Adriaensen
Hello LAD, New releases of aeolus, jaaa, and the required shared libs are now available at http://users.skynet.be/solaris/linuxaudio. Aeolus: * The AEOLUS_DIR environment variable is no longer used. There is now a command line option -S directory to select the stops directory. This

Re: [linux-audio-dev] Audio synchronization, MIDI API

2004-08-15 Thread Fons Adriaensen
On Sun, Aug 15, 2004 at 01:58:49PM +0200, Benno Senoner wrote: If you absolutly have to have multiple machines doing i/o then you will need some complicated resampling stuff. Fons has been working on it, to allow soft-sync between 2 jack systems, but I've not tried it yet. Between a JACK

Re: [linux-audio-dev] 3D fft analysis program

2004-10-03 Thread Fons Adriaensen
On Sun, Oct 03, 2004 at 09:56:24AM -0400, Dave Phillips wrote: I'm hoping that you're thinking of a realtime display, in which the peaks roll off to create a true waterfall effect. Hi Dave, I've been thinking of adding such a mode to JAAA. How do you think it should look ? 1. For each new

[linux-audio-dev] qjackctl port list

2004-10-09 Thread Fons Adriaensen
Hello, Is there any way to stop qjackctl from re-ordering a client's ports in its connection dialog ? IMHO the author of a client probably had her/his good reasons for the order chosen, and qjackctl should leave this alone. -- FA

Re: [linux-audio-dev] qjackctl port list

2004-10-09 Thread Fons Adriaensen
On Sat, Oct 09, 2004 at 06:48:29PM +0200, Florian Schmidt wrote: On Sat, 9 Oct 2004 15:13:16 +0200 Fons Adriaensen [EMAIL PROTECTED] wrote: Is there any way to stop qjackctl from re-ordering a client's ports in its connection dialog ? IMHO the author of a client probably had her/his good

Re: [linux-audio-dev] qjackctl port list

2004-10-09 Thread Fons Adriaensen
On Sat, Oct 09, 2004 at 10:03:11PM +0100, Rui Nuno Capela wrote: Florian's suggestion makes sense, of naming the ports like something in the lines of: out_1L out_1R out_2L out_2R I tried a number of different schemes, and here are the results: (creation order 1L, 1R, 2L, 2R, ) -

Re: [linux-audio-dev] anyone interested to develop a new apps ?

2004-10-24 Thread Fons Adriaensen
On Sun, Oct 24, 2004 at 11:12:36AM +, [EMAIL PROTECTED] wrote: what is ams ? just try to search about that with no luck... See http://alsamodular.sourceforge.net. AMS is probably your best bet. If you want the ultimate in control (but a much much steeper learning curve), Supercollider is

Re: [linux-audio-dev] audio spectrometer

2004-11-08 Thread Fons Adriaensen
On Mon, Nov 08, 2004 at 10:47:34PM +0300, Andrew Gaydenko wrote: The aim is to make measurement mini-laboratory, in particular, to measure distortions of audio amplifier. Using JACK, I can route line ins/outs, find clean sine signal and get amplified one, and then route last to... Well, the

Re: [linux-audio-dev] Tascam US428 Hangup

2004-11-18 Thread Fons Adriaensen
On Thu, Nov 18, 2004 at 06:56:12PM -, Rui Nuno Capela wrote: Why don't you just start with the SUSE supplied kernel-sources and config? You'll find all the necessary stuff on the distro CDs/DVD. I know 'coz I do a also run SUSE 9.2 Pro around here :) Did you apply any patches ? Having 9.2

[linux-audio-dev] New releases

2004-11-22 Thread Fons Adriaensen
Hello LAD, New releases of Aeolus and JAAA are available at the usual place : users.skynet.be/solaris/linuxaudio. From the Aeolus-0.3.1 README : * Added 'instability'. Each pipe is individually phase modulated in order to emulate the random fluctuations in a real one. This provides

Re: [linux-audio-dev] muse and /dev/rtc

2004-11-22 Thread Fons Adriaensen
On Mon, Nov 22, 2004 at 01:21:07PM -0500, Lee Revell wrote: Yes, my thoughts exactly. You don't even have to use the ALSA sequencer API, you can use the ALSA timer API directly. You get multiple timer sources (system, RTC, sound card). It should also be more portable. Yes, but using the

Re: [linux-audio-dev] muse and /dev/rtc

2004-11-22 Thread Fons Adriaensen
On Mon, Nov 22, 2004 at 07:00:59PM -0500, Paul Davis wrote: how far ahead can you queue without getting into trouble when the user does realtime edits? think about this for long enough, and i think you will come to same conclusion: deliver events in a process-callback-style fashion, more

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