Linux-audio-user December 2010

linux-audio-user@lists.linuxaudio.org

138 participants
152 discussions

by Fabio

Em sexta-feira 10 dezembro 2010, às 16:55:37, fons(a)kokkinizita.net escreveu: > The offset control now has 400 steps of exactly 1 > cent (1/100 semitone) each, and displays the set > value when touched. Default mousewheel step is 10 > cents, 1 cent with Shift pressed. verry nice, nothing more is needed tried 3 "autotuners" and yours is the only one usable (for me). Thanks for that soft

14 years, 10 months

zita at1

by Fabio

Is the develepor on this list? would be nice to be able to enter values instead of only using th knobs. For example, if you change the "offset" you want it to be exactly Fabio

14 years, 10 months

looking for a midi recording softsynth

by andy baxter

Hi, I was talking to a friend this morning about a project I thought we could do together. He plays free improv piano/keyboard music - dense patterns and textures improvised in live time. I was saying that in principle it would be possible to record a piece of his music on a keyboard as a midi stream, then feed it through a softsynth in a studio and tweak the synth parameters as it's playing to produce the final piece. He liked the idea, but I'm not sure if there's a linux softsynth that would work like this. What it needs to do is: - produce sounds from a midi stream in real time, with the sound altered by tweaking various parameters (knobs and buttons). - the tweaks should be recordable so that you can play them back and re-tweak them until you get the result you want. - the feature I really want is to be able to set presets for the parameters and then fade between presets in real time. E.g. if there are two presets which both use a resonant low pass filter, I want to be able to move a single slider that moves the filter value from one to the other continuously to create a filter sweep. This is different from a fade at the audio stream level. Does anyone know of anything like this? cheers, andy

14 years, 10 months

lau free audio data (script)

by rosea.grammostola

Hi, I made a script to download free audio data which may be useful on your linuxaudio desktop. * I tried to 'echo' credits and copyrights as much as possible, all though it should be improved in some areas as well I think (contributions are welcome). * I didn't check if the folder structure made by the script is right, you may find data in unexpected places... (improvements are welcome) * I ran a previous version of this script myself. I didn't run the script as it is now... * There is probably more interesting free audio data available which should fit nicely in the script (contributions are welcome!) * Use at your own risk Regards, \r

14 years, 10 months

Perry Cook's singing synthesis software

by David Collins

Does anyone know if there is a version of Perry Cook's singer or SPASM for Linux? [1] Or the source code? The binary available from [2] isn't of much use - since it's for a different OS. I have used the Snd/CLM implementation, and it seems satisfactory, but I don't know how well it corresponds to the original. [1] http://www.cs.princeton.edu/~prc/SingingSynth.html [2] http://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/areas/speech/systems/…

14 years, 10 months

Re: [LAU] [LAA] Mixxx 1.9.0 beta1 and Mixxx 1.8.2 released

by Niels Mayer

On Sun, Dec 5, 2010 at 6:56 PM, RJ Ryan <rryan(a)mit.edu> wrote: > Mixxx 1.8.2 is a maintenance release and has many of the same bug fixes, > MIDI mappings, and performance improvements that 1.9.0 Beta1 does. > You can read more details about this release on our blog. You can download > Mixxx 1.9.0b1 and Mixxx 1.8.2 from out website: http://mixxx.org. I compiled mixxx-1.9.0beta1.1 on Fedora 12 and it runs beautifully. Unlike previous versions, this one is able to successfully use ALSA directly, even while using "ondemand" cpu scaling; it allows use of multiple ALSA devices simultaneously (e.g. "SB [HDA ATI SB] [VT1708S Digital]" sending out SPDIF to the "mains" and using "SB [HDA ATI SB] [VT1708S Analog]" as headphone monitor -- all without glitching. It even works properly driving two completely different ALSA devices. Further, all the lights and controls work flawlessly on my Behringer BCD-3000 as well. Previously, for glitch-free performance in mixxx, I had to use jack. Now I can use ALSA directly, which can be useful if you have a low-power device. Next, to see how it performs on a netbook, where having a few less processes (jackd, qjackctl) might make a big difference. Any chance you can get this running on a nokia n900?? Now *that* would be cool! [[ FYI mixxx is distracting me from learning QML and running test progs on the n900, for purpose of developing http://ytd-meego.googlecode.com ]] Associated feature request: "reskin" mixxx so that the UI can be done entirely in QML and allow use of qtquick "gestures" and panels for use on touchscreen devices. This could eventually allow people to use Qt Designer to customize the controls for mixxx (custom layouts, etc) to match the resolution and use-case of the touchscreen device hosting mixxx (such as a http://PandaBoard.org -- check all the music related projects on http://omappedia.org/wiki/PEAP_Projects ) W/r/t mixxx-1.9.0beta1.1 -- this ain't no beta! Ship it!! (of course, this is after five minutes of testing). Very nice! A gift worth lighting an eighth candle for. -- Niels http://nielsmayer.com

14 years, 10 months

usb audio interface question

by Atte André Jensen

Hi A friend of mine is looking for an usb audio interface. It must work without hassle under linux, and have an (at least decent) 48V input, and at least one other microphone input (48V on this input would be nice, but not necessary). 2 channel output would be enough. If the price permits, more inputs (mainly for michrophone) would be great, but the price is important. What should I recommend him? My first idea was an edirol, but looking over two large web-shops, I didn't see a single edirol usb-interface! -- Atte http://atte.dk http://modlys.dk

14 years, 10 months

Some research announcements from ScienceDaily.com about music

by david

Feeling chills in response to music http://www.sciencedaily.com/releases/2010/12/101207191525.htm And some related stories: Music thought to enhance intelligence, mental health and immune system http://www.sciencedaily.com/releases/2006/06/060622172738.htm Adolescents involved with music do better in school http://www.sciencedaily.com/releases/2009/02/090210110043.htm Babies are born to dance http://www.sciencedaily.com/releases/2010/03/100315161925.htm Gifted students beat the blues with heavy metal http://www.sciencedaily.com/releases/2007/03/070321130834.htm -- David gnome(a)hawaii.rr.com authenticity, honesty, community

14 years, 10 months

L2Ork PD first stable release now available

by Ivica Ico Bukvic

Changes since release candidate 6: *added apply undo/redo (applies to vanilla objects with properties (e.g. gatom) plus currently as a test implementation only to the cnv object from the iemgui set--I will add it to other applicable imegui objects once the implementation is thoroughly tested). *added resize handle to the cnv object. *implemented auto-update of properties window (width/height and in cnv case also selection area width/height if the properties window is open). *fixed bug where autoconnect tries to auto-connect cnv objects. *fixed regression where gatom objects after being duplicated are only partially selected. *fixed bug where changing object properties did not result in canvas being "dirty." Special thanks to all who have provided invaluable feedback in making this release as bug-free as possible! http://l2ork.music.vt.edu/main/?page_id=56 Best wishes, Ico

14 years, 10 months

cpufreq-set

by rosea.grammostola

Hi, I thought sudo cpufreq-set -g performance, would set my cpu to the 'perfomance' setting. Apparently is does, but only for one of the two cpu's... (?) # cpufreq-info cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpufreq(a)vger.kernel.org, please. analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 us. hardware limits: 800 MHz - 2.00 GHz available frequency steps: 2.00 GHz, 2.00 GHz, 1.60 GHz, 1.20 GHz, 800 MHz available cpufreq governors: userspace, powersave, conservative, ondemand, performance current policy: frequency should be within 800 MHz and 1.20 GHz. The governor "*performance*" may decide which speed to use within this range. current CPU frequency is 1.20 GHz (asserted by call to hardware). cpufreq stats: 2.00 GHz:0.00%, 2.00 GHz:0.00%, 1.60 GHz:0.00%, 1.20 GHz:2.65%, 800 MHz:97.35% (347) analyzing CPU 1: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 CPUs which need to have their frequency coordinated by software: 1 maximum transition latency: 10.0 us. hardware limits: 800 MHz - 2.00 GHz available frequency steps: 2.00 GHz, 2.00 GHz, 1.60 GHz, 1.20 GHz, 800 MHz available cpufreq governors: userspace, powersave, conservative, ondemand, performance current policy: frequency should be within 800 MHz and 1.20 GHz. The governor "*ondemand*" may decide which speed to use within this range. current CPU frequency is 1.20 GHz (asserted by call to hardware). cpufreq stats: 2.00 GHz:0.00%, 2.00 GHz:0.00%, 1.60 GHz:0.00%, 1.20 GHz:1.59%, 800 MHz:98.41% (287)

14 years, 10 months

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Linux-audio-user December 2010