Linux-audio-user November 2006

linux-audio-user@lists.linuxaudio.org

152 participants
150 discussions

[linux-audio-user] Sub-harmonic generator? (LADSPA or VST)

by Tim Howard

Hello, Does anyone know of a good plugin that will generate subharmonics? I would like to put a little more low frequency "oomph" into my bass track. Preferrable LADSPA, but VST would work, too. Thanks for any help! -TimH

8 years, 2 months

[linux-audio-user] Real-time kernel

by Chuckk Hubbard

Where is a guide to doing this? I tried this: http://tapas.affenbande.org/?page_id=6 with patch-2.6.19-rc6-rt9 and linux-2.6.19-rc6.tar.gz. Won't boot. I get various messages... I wanted to ask, is there something I can post, and where, to show what is wrong with my configuration? One thing I get repeatedly is "hda_codec invalid_dep_range". I get lots of hits on google- of people asking the same question. The only kernel I have working is not real-time, and jack can't keep up. I see lots of references to how low-latency operation is well understood, but it seems everything changes very quickly and none of the references I can find are definitive. I tried this before, and came away deciding people with deadlines don't use Linux; a real-time kernel has proven to be a pipe dream for me. I have two weeks until the end of the semester and lots of music to do, but I'd still like to use Linux for it. I'm running a laptop with a 2 Ghz AMD64. Any help is appreciated. Thanks. -Chuckk -- "Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -Theodore Roosevelt

17 years, 10 months

[linux-audio-user] Linux Vocoder (?)

by DCZX

Does anyone know of a good vocoder app or plugin? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

17 years, 10 months

[linux-audio-user] Status of JACK midi sync?

by Ivica Ico Bukvic

Hi all, Any news on this one? IIRC, there was some talk that such a feature would be sponsored by Google's summer of code, but am not sure if this was the case or if anything ever became of it? Best wishes, Ico

17 years, 10 months

[linux-audio-user] Vocoder Working

by DCZX

Okay, sorted out some file installation difficulties and now it's up! Pretty cool. I wonder if there's a program that can just "stick" a midi note for me though for the carrier... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

17 years, 10 months

Re: [linux-audio-user] Miscellaneous hardware/software questions

by Gabriel Brachtel

>>>it's easy for non-programing people to bring "visions" regarding >>>interface design. (and i love do so :) as i know programers, it's quite >>>hard to establish a new standard. but imho the interface standards >>>(buttons, dropdown boxes, scrolling, menu-structure, etc.) are now a >>>couple of years old, and there might be better solutions for specific >>>tasks. audio seems to me like a good point to start. > > > i wasn't talking about such rudimentary stuff. of course there are > alternatives to these basic widgets and several audio applications (even > free ones) have begun to support them. > > the point about a visual interface is that it acts as a "memory buffer" > for the user: you do not have to remember much about the structure of > the session because the structure is made visible on the screen. can't > remember precisely where you put a certain sound? how many copies of the > bridge riff did i put in? is the door slam before or after the creak? > its all there on the screen, just waiting for you to look at it. > > as soon as you move away from a visual UI, you have to find some way to > avoid requiring the user to remember everything about the session. when i try to remember a poem my brain creates images and i walk trough them, when i reproduce it. when i learn a piece of music it does other stuff (i'm a pianist and singer) but in the end i have a very complex thing in my mind, just think of a bach fugue. i have the fugue also in "the fingers". different areas of the brain work together. i have the same oppinion as you, we are very good in using a visual UI. we trained it for a long time. but there could be other combinations that work nearly as good as "mouse-to-eye". > the visual interface offers another hard-to-replicate feature as well: > trivially variable precision. if you try doing cut-n-paste based only on > audio feedback, you will find it quite hard/laborious to be as precise > as you might want to be. with the visual interface, its much easier to > use visual information to get the rough location of an edit and then > get to precisely where you want, without many steps. with audio feedback > based approaches, i think you will find yourself needing many more > iterations through the edit-play-edit-play cycle before you get the > location correct. i think it's all a matter of training. you do the "display-keyboard-mouse-combination" for long years and you became professional in speed and precision. watch a pro-gamer gaming with mouse.. what's about data-gloves? whats with feet-controlers and other "non-standard" devices? greets, gabriel (sorry for my clumsy english)

17 years, 11 months

[linux-audio-user] Miscellaneous hardware/software questions

by Jason White

I am looking for suitable hardware to handle digital i/o between a Linux system and an RME ADI-2 ad/da converter that I just bought. I don't need lots of channels, but reliability of the data transfer is important, including jitter reduction. An RME card would be excellent but it is somewhat outside my budget. Also, connectivity to a laptop would be desirable, suggesting either a USB interface or waiting until http://freebob.sourceforge.net/ (the Alsa firewire project) matures. I don't plan to run any OS besides Linux with this hardware, so Alsa support is crucial. As this is for home/personal use I'm not in a hurry. M-Audio hardware is high on my list of possibilities at the moment. Now to the software question: does there exist any sound editor with a non-graphical interface, i.e., one that can be operated from the Linux console for inserting, deleting, copying and otherwise editing audio? Due to a vision-related disability I can't use a graphical display and therefore need a text-only solution - but all the sound editors appear to require X11. Surely it should be possible to design an audio interface to a digital sound editor. Suggestions welcome. I've discussed hardware on this list once before, and the USB options weren't highly regarded at the time.

17 years, 11 months

[linux-audio-user] usb2200a

by Atte André Jensen

Hi I just recieved the monthly magazine from my musicstore and found an interesting microphone in sE Electronics usb2200a. It seems to be a studio condenser mic with build-in usb 2.0 interface. Anyone... 1) ...tried this with linux, and has any successes or failures to report? 2) ...has heard and can comment on the sound of the non-usb version sE2200A? If the store actually has it in stock, I think I might bring my laptop friday and see if I can get it working... -- peace, love & harmony Atte http://www.atte.dk | quintet: http://www.anagrammer.dk | compositions: http://www.atte.dk/compositions

17 years, 11 months

[linux-audio-user] [OT] kororaa report

by Dubphil

Hello, as this is quite a gentoo specific post, I have marked it as off topic, but it should be interesting for others. So I have tried the kororaa installation. The install on itself is very easy, it looks like a debian install and it tooks less than 1 hour to have a fully functionnal but outdated Gentoo system. Alsaconf is used to detect the audio hardware, so my USB cards was not detected :( The kernel provided is quite old : 2.6.14 The install is using prebuild packages, but updating a package switch emerge to use the compilation way. After the installation, we have an outdated system, and here begin a nightmare that would totally disgusting any newcommers to the Gentoo system. The kororaa mainteners have masked or unmasked tons of packages, so the emerge world needs a lot of masking and unmasking work to be launched properly. In short, the upgrade process is directly broken. So to conclude, I would advise newcommers to Gentoo to use the traditionnal way of installing gentoo even if it takes 1 day and needs to use the command line. Regards Philippe

17 years, 11 months

[linux-audio-user] Axiom 25 keyboard

by lanas

Folks, To complete my base audio setup I got a M-Audio Axiom 25 keyboard. The small size makes it easy to fiddle (no pun) around with apps using both the machine keyboard and this music keyboard at the same desk, without moving the chair. Getting it out of the box I noticed the paper about setting it up on Windows. About 10 steps in small print. Sheesh. And then me with Linux. Was I looking at a yet 3-day installfest ? Fortunately, not. I plugged the USB cable of the thing, started Jack, et voilá, it simply appeared and was ready to be connected to Zyn. One funny thing to add on this is that the Axiom documentation (which has nothing on Linux) troubleshooting section mentions that it can be that the keyboard at one point eventually stops working. In that case it is said that Windows users should re-install the driver. Well, you know, I still have to see the day when a Linux kernel module that is perfectly working stops to do so ! On with the question. I'd like to use the rotary knobs for interesting things such as changing some of the so many parameters of the Zyn synth. Is this possible ? Is it possible with another synth ? Anyone out there using those Axiom rotary knobs in creative ways ? And, is it possible to use the play/stop/backward/forward buttons with Ardour or MuSE ? Cheers, Al

17 years, 11 months

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Linux-audio-user November 2006