Linux-audio-user September 2006

linux-audio-user@lists.linuxaudio.org

165 participants
155 discussions

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, 3 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, 3 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, 4 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, 4 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, 4 months

Re: [linux-audio-user] Midi to USB converter

by Dmitry Baikov

I use ESI RoMI/O - 2in 1out with male MIDI and USB connectors and ESI M4U 4inx4out with female connectors Both work perfectly, and do not need any firmware. Dmitry.

17 years, 5 months

[linux-audio-user] Re: ANN: bristol 0.9.5-60

by Steven Walker

On Mon, 2006-09-18 at 16:27 -0400, linux-audio-user-request(a)music.columbia.edu wrote: > ANN: bristol 0.9.5-60 This looks interesting. It built OK, but when I run it, the GUI image never appears - just an empty window. Here are the messages: # ./startBristol -b3 spawning midi thread parent going into idle loop connected to :0.0 (81442f0) display is 1024 by 768 pixels Window is w 1024, h 768, d 24, 0 0 0 Using DirectColor display masks are ff0000 ff0000 ff0000 midi sequencer Opened listening control socket: 5028 Client ID = 128 Queue ID = 0 Device name did not parse, defaults 128.0 Initialise the hammondB3 link to bristol: 814a7a8 hostname is localhost, bristol port is 5028 Connected to the bristol control socket: 5 bristolengine already active Accepted connection from 0 (3) onto 2 (5) created 16 voices: allocated 16 to synth engine MIDI channel 0 spawning audio thread bristolAudioOpen(plughw:0,0, 44100, 256, 1200008) audioOpen(b7f9a200, 0, 1024): plughw:0,0 opening device plughw:0,0, flags 0000000d open playback on plughw:0,0, pre 8 Could not configure playback period size period size is -1208655184 Problem opening audio device plughw:0,0, exiting audio thread Rescheduled thread: 95 initialising one hammond sound Null palette Terminate MIDI signalling

17 years, 6 months

[linux-audio-user] hello gentoo? speed up please...

by Aaron Trumm

hello all - got a question - I've only recently been stopping and taking a look at my studio computer's performance and in the almost year since I change from Red Hat 9 to gentoo, it's been more solid on some things, but I notice a huge latency difference - ie: I have to run Jack at -p 8192 to get anything done in Ardour Anybody have any tips on what to look at to tweak it? Seems like it should do better than that... I didn't see it as a problem until in the last few days I started playing with playing softsynths live directly into Ardour - you've gotta be running at -p 1024 or there's a latency that screws up your playing - at 8192 it's a downright 8th note delay... Here's some vitals that I can think of: OS: gentoo 2.6.6-rc1 kernel (alsa built in) jack: 0.99.0 ardour: beta28 jack command line: jackd -R -d alsa -d hw:0 -r 48000 -p 8192 <------- (or whatever) harddrive: multicount on io support: 32 bit unmaskirq on use dma on keepsettings off readonly off readahead on chip: 2ghz amd (I THINK - not at computer now) ram: 512MB thanks for any ideas! :) --------------------- Aaron Trumm www.nquit.com -----------------------

17 years, 6 months

[linux-audio-user] Linux-friendly portable music player?

by Juhana Sadeharju

Hello. What would be an economical and Linux-friendly portable music player? Best would be if the player would be seen as a USB disk. That is: mount /mnt/player ; cp songs/* /mnt/player/ ; umount /mnt/player Such a player would work in Linux naturally. Also, in Windows, that way I could download music from the web without installing a downloading software/driver. And yes, I cannot install anything because I don't own the Windows computers here. Does, e.g., Creative, Philips, ipod players require a downloading software to be installed, and therefore they work only in personal Windows? I have heard that one may copy songs to their players via USB disk but the players refuses to play the songs! What about ogg format? All players sold by local shops seem to support only mp3 and wma. Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

17 years, 6 months

[linux-audio-user] COMPETITION: Most Loaded Desktop Screenshot

by Patrick Shirkey

Hi, I would like to add a screenshot of a Linux Desktop running as many sound applications as possible. I thought this might be fun to have a little competition to see who can come up with the most heavily loaded and well laid out (cluttered might be a better word) desktop. I'll give people a few days to send in an example and the one deemed the most attractive will be given a very prominent location on the LAU Guide. I will also make a page of all the entries which will become the next Quicktoot and be interesting to look at too. - There is no size restriction and video/animation/flash will also be accepted. - Either post the url or send the entries directly to me. Cheers. -- Patrick Shirkey - Boost Hardware Ltd. Http://www.boosthardware.com Http://lau.linuxaudio.org - The Linux Audio Users guide ======================================== "Anything your mind can see you can manifest physically, then it will become reality" - Macka B

17 years, 6 months

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Linux-audio-user September 2006