Linux-audio-dev

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7488 discussions

Re: [linux-audio-dev] collaborators - Fruity feel-alike

by mimo

Hi, I haven't looked at the latest versions of Fruity for a while but started working on something that is quite similiar to your description in the beginning of this year. I have now reached a certain level where the core signaling engine becomes usable. I don't know if you have ever worked with buzz but I consider some sort of UI quite similiar to its. How does this sound to you? mm On Wednesday 04 September 2002 8:08 am, Tim Hockin wrote: > I know someone on here once posted about doing a FruityLoops work-alike > app. Are you still around? > > I have been tossing about this idea for a free, high quality, > well-architected, virtual studio for a while. If I had a collaborator or > two, I'd probably be more inclined to do it. > > Anyone? My thoughts so far: > * a plugin API like LADSPA but less 'S' > * a modular-synth core engine > * layered control - modular synth, or a Fruity-like interface on top > * written in C > * clean code, modular, extensible, blah blah... > > There is a ton of code waiting to be borrowed. Whole portions may not need > to be written. I haven't investigated THAT far yet. > > Tim

22 years, 6 months

RE: [linux-audio-dev] Basic information

by Sreelal Chandrasenan

We are using LynxOne soundcard with OSS driver in digital mode with external clock option. We want to check the presense of Digital clock, before starting the audio process. Initially, we thought of using the input H/W buffer sample count to check that. But it does not work always. Sometime even with valid external clock, driver won't place any data in the hardware buffer even after few minutes. Did you come across this problem? Also we have to delay the Timecode. We are not using MIDI feature. But time code comes only in MIDI port. Is it easy to change the timecode (LTC) in the MIDI stream? -----Original Message----- From: Paul Davis [mailto:pbd@op.net] Sent: Thursday, September 19, 2002 7:16 AM To: linux-audio-dev(a)music.columbia.edu Subject: Re: [linux-audio-dev] Basic information >>> Hi. Could anyone point me to some very basic information to give me >>> some >>> idea of programming for sound in linux. >> >> we can't even begin to answer such a nebulous question i'm afraid. > >why not? I would just start to have a look at other sound applications >and >try to understand what they do. That's actually how I did it. And then >you >can get yourself a working installation of alsa and try to build the >existing documentation. In the meantime there's even a small primer, >how to open a sound device and make some noise. because its far from clear that this is the right thing to do with an SC port. if you don't know what SC is, you might not realize that the way 95% of all linux audio applications are written doesn't fit with SC's basic architectural model at all. many people think that writing a soundapp consists of opening a device, dumping some data to it and closing it. some programs can do that, but SC cannot. i don't know how much the questioner knows about the internal design of SC. its therefore not possible to answer the question until he pins down what he wants to do. --p _______________________________________________ linux-audio-dev mailing list linux-audio-dev(a)music.columbia.edu http://music.columbia.edu/mailman/listinfo/linux-audio-dev

22 years, 6 months

[linux-audio-dev] Re: porting supercollider

by Ross Clement

Hi. Thanks to everyone for the advice. I've been poking around in a number of sources (including the Supercollider code), and it appears that I need to spend a bit more time on various learning curves. My immediate aim is to install WindowMaker and GNUStep on my linux box (tried to do so on a solaris box but encountered 'difficulties' :-(), and write a few simple gui applications in objective-c. After that, I can have another look at the task at hand. SC does use core-audio, and I've noted the advice to use JACK. Hopefully I'll resurface on this problem in a while! Cheers, Ross-c

22 years, 6 months

[linux-audio-dev] [OT] Linux soundapps pages updated

by Dave Phillips

Greetings: Yes, I finally got around to it. You all know the drill... http://linux-sound.org (USA) http://www.linuxsound.at (Europe) http://www.ymo.org/linuxsound/ (Japan) As usual the Japanese site will not be updated until after midnight tonight (their time). Enjoy ! Best regards, == Dave Phillips The Book Of Linux Music & Sound at http://www.nostarch.com/lms.htm The Linux Soundapps Site at http://linux-sound.org Currently listening to: John Coltrane, "After The Rain"

22 years, 6 months

[linux-audio-dev] LADSPA and TiMidity++

by Peter L Jones

Hi there, Do you (or the list) happen to know if anyone has considered making TiMidity++ a LADSPA host? I was thinking it might be fun to have a midi sequencer with a rather large library of MIDI controllers. I was thinking of using Non-Registered Parameters - one to select the LADSPA plug in (by number), one to set its position in the plugin chain, and as many more as is required to control it - unless someone fancies getting the LADSPA plugins allocated numbers by the MIDI Manufacturers Association... I did an archive search on "timidity" and found nothing -- is software sequencing off topic or is there somewhere else I should go to discuss changes to TiMidity++? Thanks, -- Peter

22 years, 6 months

[linux-audio-dev] porting supercollider

by Ross Clement

Hi. Thanks of the responses (I only just got the linux-audio-dev digest). As some people have noticed, my queries are at an early stage. No, I don't yet know too much about the way that the SC code works. (i) Yes, the gui is going to be the major problem. However, while I have only used the demo version, and not the latest version, I don't remember *that* much complexity in the gui. The graphic version may be more tricky. (ii) What I meant by a source code to source code cross-compiler is this: I don't want to be in the situation where I port one version of SC (providing that this ever happens, I'm still asking questions on the SC-dev list to find out the status of any linux port), and then have to do the same work for a later port. What I wanted to do is the following: Find the Mac-specific OS calls in the SC code, and understand what they do (sound, gui, and other). Then, write an extra module of code declaring the same functions, with linux specific code to achieve the same effect. Yes, I know this is likely to be complex, and may require the creation of a fairly large number of objects. Then, for things that cannot be so easily fixed, like OS and/or gui toolkit #includes, write a program that will modify the source code into a form so that any more missing bits can be fixed. If I can do this, then hopefully the effort in porting future mac OS releases would be much easier. I.e. unlike a traditional source code to source code cross-compiler that would compile (e.g.) fortran to C, I'll be compiling max-os specific c/c++ into linux c/c++, hopefully eased by the creation of a set of libraries of 'faked' mac os x calls. (iii) Basic linux audio code samples will be of use, as I need to understand both systems to do the patching described in (ii). So, I'll look some up. And, (iv), though I should have mentioned this more explicitly in my first email, I'm also interested to know if someone's doing this already. Cheers, Ross-c

22 years, 6 months

Re: [linux-audio-dev] Re: SysEx interface for softsynths [was Re: [linux-audio-dev] LADSPA and TiMidity++]

by John Lazzaro

> I didn't see a way to contact them via email, otherwise I would inquire > as to how to proceed in getting an ID. http://www.midi.org/about-mma/mfr_id_app.pdf ------------------------------------------------------------------------- John Lazzaro -- Research Specialist -- CS Division -- EECS -- UC Berkeley lazzaro [at] cs [dot] berkeley [dot] edu www.cs.berkeley.edu/~lazzaro -------------------------------------------------------------------------

22 years, 6 months

[linux-audio-dev] [ANN]: New version of RTMix 0.48 now available for download

by ico＠fuse.net

Apologies if this is not going onto the right mailing list. I am mailing this from the ICMC2002 conference in Europe and am unable to have long-term access to the Internet, so I apologize if this has been posted in the wrong place. Anyhow, I would like to announce immediate availability of RTMix v.0.48 with binary, source code, and currently limited number of tutorials and docs, downloadable from: http://meowing.ccm.uc.edu/~ico/ (there is a non-flash version of the site for low-bandwidth users) New features and improvements since the version 0.16 are too numerous to state, so if you are interested in finding out more, please visit the website for more info. Hope everyone's summer was as eventful as mine :-) (I became a father of a beautiful son Sebastian and got an opportunity to present RTMix on one of the most prestigious international conferences associated with computer music :-) Greetings all! Sincerely, Ivica Ico Bukvic

22 years, 6 months

[linux-audio-dev] HDSP + cardbus

by D R Holsbeck

Ok so I got everything into a nice new rack, and quadruple checked my setup, and I still get a vocoder effect when trying ty play snything through my Digiface/cardbus interface. The Digiface works fine when connected to the pci interface, but not the cardbus interface. The modules, need the load/reload trick, to get jack to work with the pci or cardbus interfaces. So that seems nomal. I do get sound out when connected to the cardbus interface, but it sounds like it is being run through a very bad vocoder. I think somebody else has the same setup. H-DSP + cardbus, running. So Im pretty sure this should work. So if anybody has the magic incantations to make this work, I would be very appreciative of any words of wisdom they care to share ;-) System info Thinkpad A31 (P4 1.7g 256m ram) Alsa from cvs as of a month ago Debian 3.0 distro -- drh(a)niptron.com Great spirits have always encountered violent opposition from mediocre minds. -- Albert Einstein They laughed at Einstein. They laughed at the Wright Brothers. But they also laughed at Bozo the Clown. -- Carl Sagan

22 years, 6 months

[linux-audio-dev] Basic information

by Ross Clement

Hi. Could anyone point me to some very basic information to give me some idea of programming for sound in linux. I have previously programmed sound on Silicon Graphics machines and Sun machines. I'm thinking about linux in the context of *possibly* building a cross- compiler (source code to source code), or similar, for porting the Mac OS X version of SuperCollider to linux, depending on various things (I have just sent an email to the supercollider development list). Supercollider is at: http://www.audiosynth.com It is an amazing piece of software, truly amazing. Thanks in anticipation, Ross Clement.

22 years, 6 months

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Linux-audio-dev