Linux-audio-dev

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7534 discussions

[linux-audio-dev] low latency 2.4.x -> 2.6.x

by Florian Schmidt

Hi, i wonder about how ready linux 2.6.0 is for audio stuff? Is vanilla 2.6.0 with preemtion enabled comparable to 2.4.22 with preemption + andrew's LowLatency patches [which i use right now]? I somewhere read something about merging andrews LL and the preemptible patches. Is there any truth to that? What about the 2.4.x capabilities "patch"? Will this work on 2.6.x? Flo -- music: http://www.soundclick.com/bands/9/florianschmidt.htm

22 years, 1 month

[linux-audio-dev] Ann: Vstserver v0.3.0, ladspavst v0.1.6, vstserver-0.3.0-wine.tar.bz2

by Kjetil Svalastog Matheussen

Vstserver 0.2.8 -> 0.3.0: ------------------------- -Cache is updated when starting the vstserver. Also added some workaround code to avoid deadlocks. You may still sometime need to press ctrl-c and start vstserver again, but the problem is not as appeareant as before. -Does not use realtime priority when updating cache only. -Better documentation for vstlib. ("make doc") -New functions in vstlib: VSTLIB_newCacheList, VSTLIB_deleteCacheList, VSTLIB_getName. -Removed function in vstlib: VSTLIB_deleteCache. (Use VSTLIB_delete instead) -All clients must be recompiled. -Works with the latest version of wine at the time of writing, 9.12.2003. vst ladspa plugin v0.1.6 - stable ---------------------------------- -Use the new vstlibs functions to gather the cached AEffect structs. (non-important update) vstserver-0.3.0-wine.tar.bz2 ---------------------------- This is the unmodified cvs wine from winehq 9.12.2003. Tested and works with vstserver v0.3.0 --

22 years, 1 month

[linux-audio-dev] gmorgan-0.19 released.

by holborn

Hi! gmorgan is a rhythm station. a full programable accompaniment tool in real-time and also a pattern based sequencer. Requerimnets: --------------------- ALSA FLTK News on 0.19 -------------------- This version is internationalized with gettext. French and Spanish languages and full documentation in pdf and Open Office formats has been added. gmorgan is availabe on: http://gmorgan.sf.net Thanks Josep

22 years, 1 month

[linux-audio-dev] Re: cdparanoia fails / audiofile comparer

by Juhana Sadeharju

Hello. cdparanoia seems to need following additions: -Rip from sector N to sector M -Skip TOC reading I'm now sure that cdparanoia is failing. Remember, the output was about the following: (== PROGRESS == [ +!---------------| 159332 00 ] == :^D * ==) The whole end is full of jitter errors, but in this case it merely must be that cdparanoia ruins the good CD audio data. The jitter correction buffers went bad at "!" point, and the jitter error cumulates to the end. So, cdparanoia algorithm should be changed to a non-cumulative. This happened when I started ripping after the "!" point: (== PROGRESS == [ | 159332 00 ] == :^D * ==) No jitter errors whatsoever. New algorithm could rip the data in several independent parts, using jitter correction on each part. Parts should overlap slightly but no jitter correction is yet applied between parts. If a part has an error, reading of that part is stopped immediately. At next round the parts which had errors are further divided to smaller parts. Then finally jitter errors are verified between the overlapping parts. This alternative algorithm uses more disk space because the parts are stored independently to the disk. Regards, Juhana

22 years, 1 month

[linux-audio-dev] Jack 0.92.0 release

by Taybin Rutkin

JACK 0.92.0 has been released. Mostly minor changes: * allow `jackd' to belong to a non-root group * new ./configure option, --disable-ensure-mlock - allows JACK and its clients to run in realtime mode without having memory locking privileges. - default behavior same as before (--enable-ensure-mlock), JACK clients terminate if running -R and unable to lock memory. * option parsing bugs fixed. * correctly handle deactivate/activate sequence for: - slow-syn callback - timebase callback Jack can be downloaded at http://jackit.sf.net . Taybin Rutkin

22 years, 1 month

[linux-audio-dev] horgand-1.04 released.

by holborn

Hi Horgand ... is a organ, jack capable who generates sound with a FM based synthesizer, also provides DSP effects and a small programable accompaniment in wave table. Requires: FLTK ALSA JACK LIBSNDFILE News on 1.04 -------------------- - This version fix the problem in compilation and other major and minor bugs. - Load default bank at start. - Settings changed, Added default bank. horgand is available in: http://personal.telefonica.terra.es/web/soudfontcombi/ http://www.telefonica.net/web/soudfontcombi/

22 years, 1 month

[linux-audio-dev] Hydrogen 0.8.1

by Comix

Hydrogen 0.8.1 is out!! Features: __General__ * Very user-friendly, modular, fast and intuitive graphical interface based on QT 3 * Sample-based streo audio engine, with import of sound samples in .wav, .au and .aiff formats __Sequencer and mixer__ * Pattern-based sequencer, with unlimited number of patterns and ability to chain patterns into a song * Up to 64 ticks per pattern with induvidual level per event and variable pattern length * 32 instrument tracks with volume, mute, solo, pan capabilities * Ability to import/export song files * Unique human velocity, human time and swing functions * Tempo-sync'd delay bus * Export to .wav __Other__ * OSS and Jack audio drivers, with assignable Jack ports * ALSA MIDI input with assignable midi-in channel (1..16, ALL) * Import/export of drumkits Changelog: * Midi and CPU activity widgets * Jack transport slave mode * Multiple jack outputs * Resizable song editor * Seek in song clicking in the song editor * New mixer * 32 instruments * Custom pattern size * Per instrument output (jack driver) * MMC/MTC support (experimental) * i18n support Download: http.//hydrogen.sf.net Enjoy!! -- Alessandro <Comix> Cominu http://hydrogen.sf.net e-mail: comix(a)despammed.com Icq: 116354077 Linux User # 203765 [...Codito Ergo Sum...]

22 years, 1 month

Re: [linux-audio-dev] cdparanoia fails / audiofile comparer

by Juhana Sadeharju

>From: Fred Gleason <fredg(a)salemradiolabs.com> > >The bottom line: your CD reader is too broken to reliably rip audio. In >particular, the 'unreported loss of streaming' error indicates buggy firmware >in the drive. Yeah, it is one of those HP devices (Sony inside), not cheapest device as I preferred quality. Of course, it could be a bug or design flaw in cdparanoia as well. That is what I would like to developers to look at. Why would a CD device output data with channels swapped? Why would a CD device have an align problem when CD reads ok (after the "!" location)? It could be that cdparanoia falls down at the "!" location and does not come up even it could. Because it could be either the CD device or cdparanoia which falls down, I would not rush in to the final report as fast as you did. Things should be examined. I yet have to test ripping starting after the bad location. If that works ok, then cdparanoia could just restart after getting "!" errors, right? Yes, I have a hardware problem, specially when using CDROM but also with disks. Buggy IDE I think, or Linux does not support Intel IDE well (4.?.18 kernel). Anyone would have a couple of years old spare motherboard and could send it free for me? I would not like to buy a new one (because I have no money) because I would then yet again have to wait for 1.5 years before I get new enough Linux for having full support for the chips (or again to find out that the new kernel won't help at all). Regards, Juhana

22 years, 1 month

[linux-audio-dev] Allo speech synth

by Juhana Sadeharju

Hello. I have started developing a simple speech synth starting at National Instruments SP0256 chip. Currently Allo includes a sampled audio recorded from the chip; that should be replaced with a "noise/pulse + format filter" speech generator soon. I have not yet written a code for such generator, so, if you know a short-cut, please help me. Code is at "ftp://ftp.funet.fi/pub/sci/audio/devel/speechsynth/". Read the USAGE first. Plenty of examples are provided, from the chip's documents, in WORDS. The files eye*wav in the directory are excerpts from latest Yello album, The Eye (www.yello.ch). That is the target for Allo project. Regards, Juhana

22 years, 1 month

[linux-audio-dev] [ANN] Rivendell Beta Release

by Fred Gleason

Salem Radio Labs, the Research and Development arm of Salem Communications, is pleased to announce the initial beta release of the Rivendell Radio Automation System. Rivendell aims to be a complete radio broadcast automation solution, with facilities for the acquisition, management, scheduling and playout of audio content. At present, the following components have been implemented: RDAdmin - System configuration and management tool RDLogEdit - Program log editing tool RDLibrary - Audio acquisition and management tool, for maintaining a library of audio content RDAirPlay - On-air audio playout application RDCatch - Automatic audio recorder specifically optimized for simultaneous capture of multiple long-form audio programs Rivendell is released under the GNU Public License. Further information, source code and RPMs for select Linux distributions are available at the Salem Radio Labs web site at http://www.salemradiolabs.com/rivendell/ Cheers! |-------------------------------------------------------------------------| | Frederick F. Gleason, Jr. | Director of Broadcast Software Development | | | Salem Radio Labs | |-------------------------------------------------------------------------| | "You see, wire telegraph is a kind of very, very long cat. You pull | | his tail in New York and his head is meowing in Los Angeles. Do you | | understand this? And radio operates exactly the same way: you send | | signals here, they receive them there. The only difference is that | | there is no cat." | | | | -- Albert Einstein, upon being asked to describe radio | |-------------------------------------------------------------------------|

22 years, 1 month

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Linux-audio-dev