Linux-audio-dev

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7516 discussions

[linux-audio-dev] Patch storage for simple DSSI plugins?

by Gordonjcp

What's the consensus? Implement patch storage for plugins that don't really have that many controls, or just let the host worry about it? Gordon.

19 years, 6 months

[linux-audio-dev] [ANN] netjack-0.11

by torbenh＠gmx.de

netjack-0.11 ------------ Warp your jack ports over an IP network. Also have Transport synced between 2 machines. Work is underway in improving the latency for big channel counts, like 24in / 24out. There seems to be a bottleneck in the kernels handling of big UDP Packets. However netjack seems solid with a period size of 128 and a roundtrip latency of 3 periods. (this is at 24/24 float on 100Mbit) The latency does not seem to improve with Gbit. Also featuring: - improved error messages. - some AutoConfig on the slave side. (only period and samplerate) - alsa_in and _out improvements. Have Fun. -- torben Hohn http://galan.sourceforge.net -- The graphical Audio language

19 years, 6 months

Re: [linux-audio-dev] (no subject)

by Kjetil S. Matheussen

Esben Stien: > > "Kjetil S. Matheussen" <kjetil(a)ccrma.stanford.edu> writes: > >> snd as a widget in ardour > > How about doing this with the verse protocol and daemon or in the same > spirit?. That way, any editor that supports this protocol, could edit > a live region. > Thats an insanely large project you are proposing. :-) Hacking snd into ardour should only require a days work or something because snd can be compiled as a gtk widget.

19 years, 6 months

[linux-audio-dev] (no subject)

by Kjetil S. Matheussen

Paul Davis: > > On Fri, 2006-04-14 at 16:47 +0200, andersvi(a)extern.uio.no wrote: >>>>> "P" == Paul Davis <paul(a)linuxaudiosystems.com> writes: >> P> >> P> On Thu, 2006-04-13 at 17:45 -0700, Kjetil S. Matheussen wrote: >>>> The biggest thing about this release of Snd-ls is probably that the >>>> rt-player is enabled by default. The rt-player is an alternative player >>>> engine for SND that plays soundfiles using the rt-extension and reads data >>>> from disk through a buffer. The result is less clicks, and more channels >>>> can be played safely at once. >> P> >> P> just think, if this had been in place 4 years ago, ardour's editor would >> P> have been snd-as-embedded-widget. good? bad? you tell me ;) >> >> It would make for an extremely powerful and flexible audio >> environment with a fast interface. Might we hope? > > i wouldn't spend any time hoping. i spent a month or so back in > 2000/2001 trying to use snd as ardour's editor. when it became clear > that it couldn't handle much more than about 8-12 tracks of playback, > while ardour itself could do 32+, all other considerations were put > aside and it was clear we had to develop our own. the other major > problem with snd is that it has no concept of regions - its model for > audio data is that its a continuous file rather than a playlist. that > pretty much ended any debate on the matter. > Yeah, that makes sense. However, it would be very nice to have snd as a widget in ardour to edit single soundfiles. If you add some guile functions in ardour to update the graphs in the multitracker waveforms views as well, one could edit in snd (inside ardour somewhere) and immediately see changes in the multitracker view.

19 years, 6 months

[linux-audio-dev] New release of AMB plugins

by fons adriaensen

A second release of the Ambisonics plugins is now available. * Added cube (8-speaker) decoder. * Removed conflicting port hints. <http://users.skynet.be/solaris/linuxaudio> -- FA Follie! Follie! Delirio vano e' questo!

19 years, 6 months

[linux-audio-dev] [ANN] Snd-ls V0.9.6.2

by Kjetil S. Matheussen

Download from http://ccrma.stanford.edu/~kjetil/src/ Snd-ls is a distribution of Bill Schottstaedt's sound editor SND. Its target is people that don't know scheme very well, and don't want to spend too much time configuring Snd. It can also serve as a quick introduction to Snd and how it can be set up. The biggest thing about this release of Snd-ls is probably that the rt-player is enabled by default. The rt-player is an alternative player engine for SND that plays soundfiles using the rt-extension and reads data from disk through a buffer. The result is less clicks, and more channels can be played safely at once. Changes 0.9.5.5 -> 0.9.6.2 -------------------------- -Moved the dac size slider into the options menu. -Hide listener on startup. -Removed marks stuff from popup menu. (Incompatible with snd_conffile.scm) -Updated Snd from 8.0/30.3 to 8.0/2.4. Many important fixes, including listener stuff. -Removed playing buttons from pop-up menues. -Added checks for gtk-mnemnomnics so that old key-bindings aren't overwritten. -Many fixes for the rt-player. -Various fixes so that debug printing and warnings/errors are put out to the listener as well as stdout/stderr. -Configured the transform view to show sonograms by default. -Increased standard dac-size from 1024 to 2048. -Added shortcut "l" to turn on/off the listener, and added it to the help menu along with the "c" key for turning on/off controls. -Updated Snd from 7.15 to 8.0. -Enabled rt-player by default. rt-player is an alternative player engine for snd, that plays using the rt-extension and reads data from disk through a ringbuffer. The result is less clicks.

19 years, 6 months

[linux-audio-dev] libsndfile and WAVEX

by Alfons Adriaensen

I've gone through the docs a number of times, but can't find a way to read / write the channelmask and guid in a WAVEFORMAT extensible file. Is it possible ? -- FA Follie! Follie! Delirio vano e' questo!

19 years, 6 months

[linux-audio-dev] realtime low lat and 2.6.16

by Richard Smith

Whats the recommended realtime low lat setup for 2.6.16? All the docs I read seem to be for much older kernels? Does realtime-lsm still work? I've got a m-audio audiophile 24/96 and I want jackd to run without xruns. I tried the rt16 patches for 2.6.16 but my kernel just hangs on boot. -- Richard A. Smith

19 years, 6 months

[linux-audio-dev] multiface latency question

by Dmitry Baikov

Hello! I'm planning to get RME Multiface (II) and have a question to it's owners. Can you, please, post its latency in audio loop, measured with jaaa in 2x64 buffer setup. Thank you. Regards, Dmitry. P.S. crossposted from LAU, since there were no responces.

19 years, 6 months

Re: [linux-audio-user] Re: [linux-audio-dev] music engine

by Kjetil Svalastog Matheussen

Paul Davis: >> As an interface designer, the first thing I look for on an engine's >> project site is some sort of asynchronous API - I should never concern >> myself with anything outside referencing the api from my app's one >> windowing thread. FMOD, gstreamer, and my dead pkaudio project do this >> very well. I don't ever want to worry about what thread it happens in, >> what threads it will affect, or what the performance effects of >> *making* the call will be (as opposed to residual effects). > >although i agree that this is the right design for many classes of >application design, i would like to see how you propose to tackle >metering and waveform display (the two most difficult examples). >ardour would be relatively easy to separate into interface+engine >processes (as opposed to just a lib/lib-client separation) if it were >not for these issues. moving waveform and metering data back and forth >between two processes via a wire protocol is very expensive and >inefficient. How about creating the gfx waveform data on the engine and then just send a pointer to the gfx process, which displays the data using the MIT-SHM X extension? PS. Please don't let this inspire you to reimplement Ardour. :-)

19 years, 6 months

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Linux-audio-dev