Linux-audio-user December 2009

linux-audio-user@lists.linuxaudio.org

166 participants
190 discussions

by Stephen Stubbs

My favorite project name was for a project I was lead engineer on for a major computer time-sharing company (using IBM mainframes) in 1980-1983. It was a project aimed for the coal mining industry, later to be expanded to the hard rock mining industry. It would take drill hole core data and model what the coal seam or ore body would look like. Data entry would be done onsite, with the serious number crunching done on the company's IBM mainframes thus generating the time-share revenue for the company. We called the project: Distributed Reserve and Evaluation Mapping System. Yep, DREAMS ! The project evaporated when the company finally did some strategic planning and decided it didn't really want to be in the mining industry (and a lot of other industries.) The other mining engineer on the project was a pipe smoker. But we didn't think calling the 1 million USD project PIPE-DREAMS would get by upper-level management! Ah, those were the days..... Stephen.

14 years, 12 months

Oh Yoshimi, they don't believe me ...

by cal

<http://yoshimi.sourceforge.net/> cheers, Cal

14 years, 12 months

And now, a REAL Hammond B3

by Ken Restivo

Looks like the guys from LAHAR have posted a few selections from one of last month's gigs: http://www.myspace.com/laharmusic The Hammond sounds are coming from the real B3 owned by the Boom Boom Room in San Francisco. The Rhodes, piano, and Clav are coming from Fluidsynth on Linux on my EEE, and the Clav is using Fons' Auto-Wah LADSPA plugin. The echo, if you hear it in the breakdown sections, is the CALF tape delay. I'm amused that they also included the little B3 intro to a Medeski, Martin, and Wood cover, called "I Want To Ride You", though not the whole track (copyright restrictions prohibiting covers on MySpace, probably). Obligatory Linux content: in addition to the synths, the whole show was recorded on a Zoom H3 and then Vorbis-ified (-q 7) on Linux, and sent to the guys, who then transcoded it to 128k MP3 for the benefit of MySpace. Sorry about the low bitrate. Happy holidays, all. -ken

14 years, 12 months

Compiling a kernel

by Jonathan E. Brickman

I have just put up my steps (and many thanks Cal!) for compiling a kernel: http://linuxlive.joshuacorps.org/?p=318 Comments and suggestions solicited. One item: can someone who uses CCRMA or close enough tell me, what is the RPM package for installing a complete kernel-building-capable compilation environment including menuconfig (i.e., working and compatible ncurses etc.)? J.E.B.

14 years, 12 months

Re: [LAU] [LAD] JackEQ-0.5.8: smooth and shiny

by Patrick Shirkey

On 12/31/2009 07:09 AM, James Warden wrote: > Patrick, > > You kept edit backups of certain source files in the tarball (those ending with ~ created by emacs or other text editor you are using). > > Thanks for the heads up. I'll fix that in the next package. Cheers. Patrick Shirkey Boost Hardware Ltd

15 years

JackEQ-0.5.8: smooth and shiny

by Patrick Shirkey

Hi, I am pleased to announce a long overdue release of jackEQ v0.5.8 code name: Smooth and Shiny You can find the tarball at the new home: http://djcj.org/jackeq It's been almost 4 years since a release and this one comes with many useful new features including... - Save/Restore UI state (with autosave on exit/quit). - Shiny new meters merging gtkmeter and gtkmeterscale into one class. - Mute buttons on all channels, right click to enable/disable. - One click eq reset (well two actually for your safety) - A revised UI theme taking advantage of Cairo rendering engine in gtk. Mmmm gradients. Please let me know if you encounter any problems. Otherwise, enjoy and Happy New Year for 2010!!! -- Patrick Shirkey Boost Hardware Ltd

15 years

And now... Beatrix + Aliki + JCONV = Muuaahahahaha!

by Ken Restivo

I am letting out a huge mad scientist laugh right now. I had a suspicion that a big part of the Hammond B3 sound is the resonance of the wood in the speaker cabinet. Particularly down in the lower registers, or when the crosstalk from the 16' is audible. It sounds like the wood gives that extra "thump" on the attack. So I grabbed my EEE with a copy of Aliki, and made my way to a studio with a Leslie and some nice mics and outboard gear. And I captured some impulses of the Leslie. Then I ran the impulse in JCONV, and ran Beatrix thorugh that: http://www.restivo.org/blog/podpress_trac/web/492/1/lesliedemomix.ogg And it turns out, I was right. The percussive sounds are indeed caused by the wood resonating. Except there is no wood. Every noise you hear there is coming out of an EEE running Linux. There is no actual Leslie. It's a convolution reverb. I have published the impulses here, in case anyone wants to play with them: http://restivo.org/projects/leslie/ CC-BY-SA licensed, have fun. There's some README in the tarball, and also a sample JCONV conf file for using them. I'd imagine that not only Beatrix, but also AZR-3, or any other organ emulator, even an FM synth, would sound pretty good through Leslie impulses too. -ken

15 years

Indamixx Digital Download only $29.00 for LAU and LAD

by Ronald Stewart

Indamixx Digital Download only $29.00 for LAU and LAD* * http://www.indamixx.com/indamixx-iso-download.html* *Hope this makes it through the approval. Thanks to everyone in the Linux community for helping with Transmission distribution. There is a special price for LAU and LAD of $29.00. Transmission includes ArdourXchange, and LinusDSP for Atom chips (netboks). Simply use the code LAU or LAD to receive your discount. http://www.indamixx.com/indamixx-iso-download.html Look forward to another great you and thanks again! Ronald Stewart Creative Director Trinity Audio Group Inc. 9854 National Blvd. #322 Los Angeles CA 90034 213-915-6020 ronaldjstewart(a)gmail.com www.indamixx.com **

15 years

linux sound archiitecture [was pulseaudio headaches]

by Rustom Mody

2009/12/29 Ng Oon-Ee <ngoonee(a)gmail.com>: > On Tue, 2009-12-29 at 16:21 +0530, Rustom Mody wrote: >> 2009/12/28 Ng Oon-Ee <ngoonee(a)gmail.com>: >> > On Sun, 2009-12-27 at 21:35 +0530, Rustom Mody wrote: >> >> I recently was introduced to nted >> >> Tried it on my debian-lenny desktop and it works nicely. >> >> But now need it on my laptop for a travel-demo session. >> >> >> >> Now the laptop (was) running hardy which has some pulseaudio headaches. >> >> In any case I had to upgrade because the clone monitor which is needed >> >> for a presentation does not work in hardy >> >> >> >> Now the headaches increase! Pulseaudio more and more tightly >> >> integrated into ubuntu and nted (or is it timidity?) does not like it >> >> at all. >> >> Managed to remove pulse (with some associated packages) >> >> >> >> nted works once again but I cant adjust volume and and clicks and >> >> other ubuntu sounds which could be configured with >> >> System->preferences->sound wont come up saying: Waiting for sound >> >> system to respond. >> >> >> >> Any suggestions? >> > >> > Ubuntu sans Pulseaudio is a pain to get working. You'd probably have >> > better luck getting nted to run on pulseaudio. >> > >> > A quick search reveals >> > http://vsr.informatik.tu-chemnitz.de/staff/jan/nted/doc/ch01s50.html >> >> That link basically says dont use pulseaudio (if you want to use nted) >> >> > >> > Having never used nted before, I can't really comment much, but wouldn't >> > using JACK solve things, since pulseaudio now plays quite well with jack >> > (jackdmp, not jack 0.118 or whatever they're on now for jack1). >> >> The last time I tried jack (this was on debian about a year back) my >> sound stopped working. Of course Ive not idea how to use jack so Im >> not complaining. >> >> If you could tell me what packages to try Ill try and see. >> >> Also (if some such thing is there) I would very much like to see >> something about linux sound architecture. IOW jack, pulse and esd all >> seem to be 'servers' of some sort and (from what you say) jack seems >> to work well with pulse but pulse and esd are an either-or. So whats >> the bigger picture of all this. > > Sorry, no link for you, but here's my understanding. > > Control of audio devices in Linux is done by ALSA ... Thanks for taking the time to write this up. Just found this on the ubuntu wiki http://ubuntuforums.org/showthread.php?p=5931543 It sounds detailed and exhaustive but I am not sure how authoritative. It would be real neat if some more authoritative figures could read that and comment... Thanks again and happy new year to all Rustom

15 years

pulseaudio headaches

by Rustom Mody

I recently was introduced to nted Tried it on my debian-lenny desktop and it works nicely. But now need it on my laptop for a travel-demo session. Now the laptop (was) running hardy which has some pulseaudio headaches. In any case I had to upgrade because the clone monitor which is needed for a presentation does not work in hardy Now the headaches increase! Pulseaudio more and more tightly integrated into ubuntu and nted (or is it timidity?) does not like it at all. Managed to remove pulse (with some associated packages) nted works once again but I cant adjust volume and and clicks and other ubuntu sounds which could be configured with System->preferences->sound wont come up saying: Waiting for sound system to respond. Any suggestions?

15 years

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Linux-audio-user December 2009