Linux-audio-user June 2005

linux-audio-user@lists.linuxaudio.org

153 participants
135 discussions

Re: [linux-audio-user] Re: Drum notation

by Kevin Cosgrove

On 28 June 2005 at 23:42, Chris Cannam <cannam(a)all-day-breakfast.com> wrote: > I fear I'm about to lose [your attention] again! -- Sorry, still got my attention. You'll have to try harder. ;-) > All you can do at the moment is select one or more notes and > then select Adjust -> Note Style -> and choose a note shape. > The shapes are not built-in -- they're defined in XML files in > the styles directory, documented in the Rosegarden Handbook > under Customising Rosegarden. You can define styles using any > available font element or pixmap. OK. That hasn't scared me off yet. After all, I did mess around and created an instrument map for the Alesis QS8. > Setting a default shape for each pitch in a drum map would > be an excellent addition to our ongoing drum map work at the > moment, though. I should give that some thought. That sounds like something a mere user, i.e. non-programmer (OK, so I can write perl), can do. I've got 3 gigs next week and a studio session coming up, so I'm sticking a reminder on my calendar for a couple weeks out to see if/how I might help out on this. I'll dig through my Modern Drummer mag's and some books I've got to see if I can find the official (PAS) standardized drum notation. Thanks again... -- Kevin

19 years, 4 months

[linux-audio-user] Re: WYSIWYG score typesetting?

by Reinhard

Hi Mikhail, > Hello, > > I have not been here for some months... > > Was any progress registered on any software for WYSIWYG score typesetting? > > I'm starting to think that for tasks that really need WYSIWYG (as opposed to > visual editing of the score "text" but not the layout), a DTP-oriented > approach might be the best thing to do. Perhaps even adding a score module to > Scribus. But before I start thinking of whether to try some coding: perhaos > there is already enough progress in ome project? I'm really not the best > coder out there... > > -- > Yours, Mikhail Ramendik > Well I can recommand NoteEdit, just take a look at the NoteEdit homepage: http://noteedit.berlios.de It's strength are music score editing and using of external music notation systems like lilypond or musixtex to print your score. Midi for easier input and listening to your score is supported as well. I wouldn't directly compare it to a DTP program like scribus but more to a TeX frontend like lyx (i.e. formatting of the score is not done directly with NoteEdit, though you can set several format options for export). Best Regards, Reinhard Katzmann -- Software-Engineer, Developer of User Interfaces Project: Noteedit - a score editor - http://noteedit.berlios.de Project: Pertergrin - a RPG system - http://www.pertergrin.de GnuPG Public Key available on request

19 years, 4 months

[linux-audio-user] demudi install confusion

by Greg

hello list, I've been lurking since I decided to install demudi on my xp system. So far I've cooked my XP install twice in the process... I've checked FAQs and other guides and no luck yet. Here's what I'm doing. demudi 1.2.0 iso, using the default installer I run linux26 dmraid (SATA drive) partitioning: 15gb XP ntfs 2.5gb linux swap (aside: is this too big or should i go by the 1.5x rule and do 3? I have 2 gigs of ram) 4gb " / " partition 150gb "/home" partition everything but the xp partition is a "logical" partition. Now, I want to be able to keep XP's MBR intact. The first install i totally goofed. The next time I tried to get it to install GRUB to a floppy, I couldn't figure out if I should use /dev/fd1 or /floppy or what and it just hung. Now I've read that once everything's groovy it's not too complicated to make a linux boot instruction to add in xp's boot.ini, but I need to get this up in the first place. So... 1. are these good partition sizes? 2. is there a good install guide that talks about using the default installer? 3. is there a better way to install demudi / how can I do what I'm trying to do? thanks hope this is list-appropriate etc.

19 years, 5 months

[linux-audio-user] jack_convolve-0.0.10, libconvolve-0.0.3 released

by Florian Schmidt

Hi, i added an experimental feature to libconvolve/jack_convolve which might be able to preserve some of those precious cpu cycles from being burnt. jack_convolve now has commandline switches --min_bin=bin_no and --max_bin=bin_no which can be used to specify which bins of the fourier transformed signal and response to multiply. The range for both is always 0..periodsize+1, but min_bin must always be < than max_bin.. An example: assuming jack periodsize of 2048 and samplerate of 48khz: jack_convolve response_file.wav --max_bin=1200 This leaves out the top 849 bins out of the multiplication and thus reduces cpu load by ca. 2/5. The cost is that the high frequency spectrum is cut off. And it's not even a really clean cutoff which jack_convolve response_file.wav --max_bin=40 would show (you get crackles due to edge effects, etc). This feature is probably most useful to get some preview with degraded quality but less cpu consumption. Although at some samplerates it even makes sense. Assume a samplerate of 96khz, then there's quite a bit of signal which doesn't need to be processed since it's far out of the range of human perception. the min_bin parameter is not really useful and only included for completeness sake :) It cuts out low frequency bins out of the equation. Due to the crackle effects when throwing away bins that are audible one should not use these settings for filtering of the convolution in the audible frequency range.. In one of the previous releases (which went unannounced i think) i also added a gain argument which can be used to boost the level of the convolution output. Example: jack_convolve response_file.wav --gain=4.0 to get a 300% increase in level.. Regards, Flo P.S.: I am also currently working on a qt app which uses libconvolve, but it might still take a while until initial release (due to my time constraints induced by studying). Preliminary screenshot here: http://www.affenbande.org/~tapas/wordpress/?page_id=27 Help would, of course, be appreciated :) Anyone know of waveform or vu meter widgets for qt which are reusable? Flo -- Palimm Palimm! http://affenbande.org/~tapas/

19 years, 5 months

[linux-audio-user] Re: snd sound speed adjustment

by Bill Schottstaedt

> There is something different with the system running snd 7.5. > When I start snd from command line I get this message: > > Loading required GL library /usr/lib/libGL.so.1 Your version of Snd was configured to include GL (it's not the default); I don't know where the "loading..." message comes from. > Another odd thing is that if I try to "unite" the R & L waveforms, > then the snd display won't repaint the rightmost 40% of the window. > The old system doesn't have any repainting problems. This is a known bug, but I haven't yet tracked it down yet. Build Snd without GL, and it will be ok, or click almost anything in the Snd window, and the graph will clear itself up. Somewhere in the connection with GL, expose events are getting dropped, I think.

19 years, 5 months

[linux-audio-user] ubunto + realtime performance

by Atte André Jensen

Hi I'm currently running debian/unstable with my home-made-but-unpatched kernel 2.6.11-10, but is considering switching to ubunto. 1) How well will ubunto with stock kernel perform in realtime (csound) compared to debian with hand-made-but-unpatched kernel? 2) How does the availabilty of audio application in ubunto compare with debian/unstable? 3) Anything/other experiences that I should know of? -- peace, love & harmony Atte http://www.atte.dk

19 years, 5 months

[linux-audio-user] "Music" made with Linux!

by Mario Lang

Hi. Its not at all finished or polished, but since this is my first multitrack recording I couldnt resist having you all join in on the listening fun: http://delysid.org/music/analog_beats.ogg Things used: * Some AKG Mic (I forgot the numbers) * TubePre * RME Multiface * JACK * Ecasound * LADSPA (for the ecasound metronome :-) I recorded three tracks of maultrommel (Jaw Harp). Using headphones, I monitored the mic output directly, and had a metronome beeping away in my left ear. The first track was a fairly steady beat-like track. The rest was imporived on top of that. In fact, this is the realisation of an idea I had years ago, to use a maultrommel as a synth-like instrument for pseudo-techno. I will probably add a didgeridoo into the mix, and do it all over again with the windows closed and the tv off :-) sometime soon... -- Have fun! Mario

19 years, 5 months

[linux-audio-user] Mentor for Debian Official 3.1r-0a (Sarge) and Linux Audio

by The Other

06/21/05 Hello All, I'm moving from Debian Woody to Debian Sarge, and would like assistance on setting up the system to optimally run Linux Audio packages. Such suggestions would be which of the 2.6 kernels to run, which kernel patch sets to use, etc. I'm on a dial-up connection to the Internet, which takes me around 2 hours to download a kernel source. I also prefer to stay with the Stable packages for the Apt sources. If anyone would be so kind to assist me, please reply to me offline. Thank you, Stephen Stubbs Champaign, IL USA sstubbs(a)shout.net

19 years, 5 months

[linux-audio-user] jack-rack wish-list

by Ivica Ico Bukvic

My apologies for cross-posting. This message is intended for jack-rack maintainers: First off, I think jack-rack is awesome app and I have been using it quite regularly. As a result, I've come up with a small suggestion/wish-list for this wonderful app: 1) it would be awesome if jack-rack, once it gets bounced by jackd (for whatever reason), would have an option to restart with the same, already open settings file, while recreating existing connections. I am simply saying this as it has been quite stressful to have to close the app, reopen it, open the settings file, and then re-hook everything in jack right before the performance (and nearly impossible during one) when the clock is ticking and audience getting restless. :-) Ultimately, it would be awesome if it could automatically reconnect even if that would cause a nasty pop (perhaps as an option in the preferences menu), which, after seeing cool additions made to the jackd at LAC3, most likely soon we won't have to worry about any more, if not already (btw, apropos the "pop"-less connecting of clients while jackd is running that was demoed on the OSX version, does anyone know whether it has been ported to Linux as of yet?). Many thanks for taking the time to read and consider this suggestion! Best wishes, Ivica Ico Bukvic, composer & multimedia sculptor http://meowing.ccm.uc.edu/~ico/

19 years, 5 months

[linux-audio-user] WYSIWYG score typesetting?

by Mikhail Ramendik

Hello, I have not been here for some months... Was any progress registered on any software for WYSIWYG score typesetting? I'm starting to think that for tasks that really need WYSIWYG (as opposed to visual editing of the score "text" but not the layout), a DTP-oriented approach might be the best thing to do. Perhaps even adding a score module to Scribus. But before I start thinking of whether to try some coding: perhaos there is already enough progress in ome project? I'm really not the best coder out there... -- Yours, Mikhail Ramendik

19 years, 5 months

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Linux-audio-user June 2005