Linux-audio-dev September 2006

linux-audio-dev@lists.linuxaudio.org

42 participants
30 discussions

[linux-audio-dev] recommend a card with the best SPDIF out

by Andrew Gaydenko

Hi! Please, recomend a sound card with the best SPDIF out. Must be supported: - ALSA support, - stereo playing back, - up to 96KHz sample rate, - up to 24 bit depth, - coaxial SPDIF out (optical is optional), - of course, without resampling, - (most important) minimal jitter. Assumed using is a stereo playing back with an external DAC. Preferably, without an overloading (MIDI, multiple analog ins/outs and so on). Moreover, ADC/DAC may be absent at all :-) USB (rather PCI) variants are acceptable also. Thanks in advance! Andrew

17 years, 6 months

[linux-audio-dev] Re: [linux-audio-user] [ANN]: Kontroll updated

by Florian Schmidt

On Sunday 24 September 2006 20:36, Florian Schmidt wrote: > P.S.: Ah, LASH support is still missing. Will add it right away (or at > least try) ;) done. have fun. Flo -- Palimm Palimm! http://tapas.affenbande.org

17 years, 6 months

[linux-audio-dev] [ANN] QLoud v.0.17 - harmonics (distortions) plotting is added

by Andrew Gaydenko

QLoud is a tool to measure loudspeaker frequency response and (yes!) distortions. Find it here: http://gaydenko.com/qloud/ Changes: - harmonics (distortions) plotting is added, - as a result, noticeable part of common code was refactored/rewritten. Direct screenshot link to harmonics plot: http://gaydenko.com/qloud/screenshots/shot03.png If you have a sound card with good DAC and ADC, you can plot harmonic distortions for another audio equipment, say, for your power amplifier - cited screenshot has also harmonics plot for loopbacked sound card. Andrew

17 years, 6 months

[linux-audio-dev] Re: recommend a card with the best SPDIF out

by Ben Loftis

Andrew, get the M-Audio Audiophile 2496. It is well supported and does exactly what you need. You can find them cheap used. Be aware the Audiophile 192 is NOT supported. -Ben

17 years, 7 months

[linux-audio-dev] dssi-vst help required

by Michael Stein

I have had good success running dssi-vst (vsthost)and fst under kubuntu, however the Native instruments Plugins seem to fail continually. I have tried simply point both of these apps at the NI plugin.dll files, but to not avail. Does anyone have experience or a how-to on how to get these plugins working? Any help is very much appreciated.

17 years, 7 months

[linux-audio-dev] logomania redux

by Dave Phillips

Greetings: I've been adding some logos to the top page at linux-sound.org, and I thought it might be time to make some remarks regarding them. Some are nice, some are very cool, and some are pretty awful. The logo for LilyPond really needs an update, and where is Ardour's bitchin' cool logo ? Some need titles (IMO), such as Aeolus, Common Music, LilyPond, ChucK, Dino, and Khagan. I'm not a graphic artist, and I'm not going to go through the process of overlaying titles. If the devs for those apps are happy with the logos, that's perfectly cool by me, but IMO it's better to have a title. Some other logos are in need of an update, e.g. PlanetCCRMA, LAU, and RTcmix. Is Thorsten our only graphic artist, or does anyone else here have good graphics skills ? I'm sure I'm missing logos for other apps. If you have an application listed on linux-sound.org, please contact me if you'd like to add a logo to the top page. Best, dp

17 years, 7 months

Re: [linux-audio-dev] LADSPA preset musings

by Kjetil Svalastog Matheussen

Luis Garrido: > Hi there! > > I am in the process of adding preset management to my project FLAM > (custom GUIs for LADSPAs, flam.sf.net) which, by the way, is already > running under Rosegarden, checkout the SVN repo if you want to give it > a try. > ... > I would be grateful for any advice on this subject. Yes, it seems to be great! But the project would be xx times greater if there were some screen shots plus a simple example host so that it'll be easier for us to add FLAM into our own software. (And in case those things already exist, make them easier to find on the web-page)

17 years, 7 months

[linux-audio-dev] [ANN] SND-ls V0.9.7.0

by Kjetil Svalastog 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. Changes 0.9.6.2 -> 0.9.7.0 --------------------------- -Updated Snd from 8.0/2.4.2006 to 8.4/13.9.2006. Many important fixes. -Added --fast-math as default cflags option. -Various fixes.

17 years, 7 months

[linux-audio-dev] [ANN] QLoud v.0.16 - no CVS-trees dependency now

by Andrew Gaydenko

QLoud is a tool to measure loudspeaker frequency response. Find it here: http://gaydenko.com/qloud/ Uwe has released Qwt v.5.0.0rc0. As a result, QLoud doesn't depend on any CVS tree now. v.0.16 is out - INSTALL is changed to be in accordance with Qwt development. Also, min. smoothing was reduced to 1/1024 :-) If you already use the app, you can stay with v.0.15 (no bugs were found). If you have rejected the app because of Qwt CVS-tree dependency - try it now :-) Andrew

17 years, 7 months

[linux-audio-dev] LADSPA preset musings

by Luis Garrido

Hi there! I am in the process of adding preset management to my project FLAM (custom GUIs for LADSPAs, flam.sf.net) which, by the way, is already running under Rosegarden, checkout the SVN repo if you want to give it a try. For those interested I include below the specifications I have came up with regarding preset management. First I toyed with the idea of using SQLite to store the presets, but there were some drawbacks to it (adding an extra dependency, difficulties to manage list order, etc.) I was driven to it by the wish of providing concurrent access from different instances of FLAM but, in the end, I decided this feature was not worth the effort and downgraded it to the possibility of reloading the preset list to get the most up to date version at a certain point. Then I gave a look at the preset API provided by lrdf but I don't like it very much (makes use of uids -for retrieving the presets and for avoiding triplet conflicts-, resulting file difficult to read by a person.) OTOH it is somehow a standard (i.e., ardour uses it, any other app?) I have also thought of RDF/turtle as per the new LV2 spec but, if I am not mistaken, raptor doesn't write turtle and, to be honest, all this subject/predicate/object/ontology stuff seems like a bit of overkill just to store groups of (int, float) pairs, although this may change in LV2 if float is not the only type supported anymore. Another thing I find awkward regarding preset management is that all kind of ports share a common index space, so you have to pick the input control ones among them. This makes the programmer resort to convoluted data structures for what could be expressed, after all, with just an array. Not really a big deal, but having the list of input control ports singled out would make preset management easier. I would be grateful for any advice on this subject. Cheers, Luis --------------------------------------------------------------------- - Presets management interface: --------------------------------------------------------------------- - Keyboard accelerators: Ctrl+[0-9] loads one of the first ten presets in the list (1-based, Ctrl+0 loads item #10.) Ctrl+Shift+[0-9] saves the current status of the plugin in the corresponding position of the list (optional confirmation dialog.) - Context menu: there is a Preset entry in the context menu with three submenus: "preset manager," "load" and "save." "Load" and "save" unfold a list of the available presets to load or save respectively. "Preset manager" opens or brings to front the preset manager. - Preset manager is a non-modal dialog that displays a list of the available presets and the following buttons: - "Save list" dumps the preset list to the default disk location. - "Reload list" reloads the preset list from the default list location. Useful to share changes created in other instances of that FLAM. - "Export" exports the selected preset(s) to a user chosen file in a certain exchange format. - "Import" imports (adds) to the list the presets stored at user chosen file in a certain exchange format. - "Apply/Load/Retrieve/Set/Restore?" sets the plugin ports to the values stored in the preset (accelerator: doubleclick on the list.) - "Store/Save/Overwrite?" saves the status of the plugin to the selected preset (optional confirmation dialog.) - "New" creates a new preset from the current status of the plugin with a default name and enters immediately into rename mode. - "Delete" deletes the selected preset(s) from the list. - "Rename" changes the name of the preset (accelerator: click a selected item on the list.) - "Up" moves the selected preset one position up the list. - "Down" moves the selected preset one position down the list. Buttons "Save List", "Reload List", "New", "Import" are always enabled. Buttons "Apply", "Store", "Rename", "Up", Down" are enabled when only one item in the list is selected. Buttons "Export", "Delete" are enabled when one or more items in the list are selected. Every plugin has two presets files (system and user) organized in a tree following the DSSI recommendation.

17 years, 7 months

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Linux-audio-dev September 2006