Linux-audio-user September 2005

linux-audio-user@lists.linuxaudio.org

157 participants
172 discussions

[linux-audio-user] help needed with JACK options

by Dave Phillips

Greetings: I'm preparing various materials regarding ALSA and JACK, and I need some help understanding some of JACK's options. I've consulted the JACK FAQ and the jackd man page, the existing explanations are clear enough as far as they go, but they don't actually explain *why* a user wants or doesn't want to activate certain options. Namely: 1) What will the -m and -u memory options do for a normal user ? Under what circumstances is it appropriate to use them ? What exactly does it mean to unlock a GUI library's memory, and again, how/when does it benefit the normal user ? Are there reasons a user should not enable these options ? 2) I understand audio dithering conceptually, but what would be a typical situation when I would enable it in JACK ? 3) Is there any particular good reason a user would *not* want -R enabled ? 4) Regarding the "Force 16-bit" option: When would a normal user want to activate this option ? The FAQ and man pages are informative enough for the remaining options. Any help with the questions above will be hugely appreciated. Best regards, Dave Phillips

20 years

[linux-audio-user] Theremin

by james＠dis-dot-dat.net

Hi peeps. After trying to simulate the sound of a theremin in a track a little while ago, I decided that I needed a better way to make this kind of sound. I intend to build one at some point, but until I get chance to do that, I've been making a software one. I'll release an early version very soon - as soon as I've fixed a few things. Before I do that, though, here is what it's sounding like. http://dis-dot-dat.net/th_1.ogg It's a totally dry sound, so you can tell what it's really doing, but it sounds really nice with some reverb and echo, thanks to jack-rack. It's using a plain old sine wave at the moment, which theremins in real life don't, but I may change that later. -- "I'd crawl over an acre of 'Visual This++' and 'Integrated Development That' to get to gcc, Emacs, and gdb. Thank you." (By Vance Petree, Virginia Power)

20 years

[linux-audio-user] Theremin 0.1

by james＠dis-dot-dat.net

First release. Sorry for the clanlib dependency, but it's what I could do quickly. You'll possibly need to point the makefile in the right place. A build system will appear some day. http://blog.dis-dot-dat.net/2005/09/theremin-01.html James -- "I'd crawl over an acre of 'Visual This++' and 'Integrated Development That' to get to gcc, Emacs, and gdb. Thank you." (By Vance Petree, Virginia Power)

20 years

[linux-audio-user] Capturing Video&Sound from DVD

by The Other

I'm able to capture sound from a playing DVD with Audacity and VLC. Is there any way to also capture the video? The ideal would be to make some type of movie file from a segment of the playing DVD. Can I do this without a video capture card? If so, what packages will I need? Thanks, Stephen.

20 years

[linux-audio-user] Lightscribe support

by jjbenham＠chicagoguitar.com

I was at wal-mart today and saw a DVD burner with lightscribe support. I almost purchased it. I usually purchase hardware then take it home to see if it works with linux before doing any research. If it doesn't work with Linux I take it back to the store and tell them it does not work! This time I felt a little different because I was just going in to find a standard DVD burner. I Thought it would be nice to burn a label directly onto the disk without using a stick-on label. I read on the net that Nero for linux supports this LightScribe. I am kind of concerned about using software that is 'non-free'. I am not against paying money for software. I would prefer to donate to an OSS than pay a proprietary license. My main question is does anyone here have any experience with LightScribe or print-to-disk in Linux? If so what software are you using? Or should I say what microsofts are you using? Ha Ha Thanks, Jeremiah

20 years

[linux-audio-user] Free music site can Cost!

by Bob

HI All Just been looking at a few free mp3 sites. Some of the contracts are really dangerous, from a creative commons point of view. Here is one part: ********************************* you must have the right to grant, to Road-Noise.Net an irrevocable, perpetual, non-exclusive, fully paid, worldwide license to use, copy, perform, display, and distribute such information and content and to prepare derivative works of, or incorporate into other works, such information and content, and to grant and authorize sublicenses of the foregoing. *********************************** Seems here you give them total world rights to your music. Not really free then. Cheers Bob Bearmusic www.hearmymusic.co.uk

20 years

[linux-audio-user] Rebirth now free so....

by James Stone

I see that propellerhead have relesed rebirth for free (no source code unfortunately): http://www.rebirthmuseum.com/ So where does this put the reborn project shut down by propellerhead?? http://www.deadvirgins.org.uk/reborn/index.html James

20 years

[linux-audio-user] My CD Player/Burner stopped working

by Mike Jewell

I have a Sony CD ROM in my Linux box. It has worked fine from the beginning but around the time I recently moved from Fedora Core 1 to Core 3 (Planet CCRMA), it stopped working for burning (using xcdroast) and playing through my Delta 1010LT sound card. The timing could be a coincidence but I suspect the setup got messed up somehow in the transition. If I put a audio CD in it, the sound comes out fine if I plug my headphones into the built-in (to the player) headphone jack but no sound comes through my sound card. My sound card is working fine for other apps like Audacity, Ardour, aplay, etc. Can someone help me figure out what might have gone wrong? Thanks in advance for any tips. Mike Mike Jewell

20 years

[linux-audio-user] jackd and plughw problems.

by Noah Roberts

I am trying to get the podxtpro driver working the way I would like it to. It can record from it with -dhw:1 but of course the sampling rate is not what I usually use. The documentation suggests using plughw: for the device instead. However when I do that I always get the error: ALSA: cannot set period size to 1024 frames for capture ALSA: cannot configure capture channel cannot load driver module alsa no matter what period size I set. ANy ideas?

20 years

[linux-audio-user] test

by Noah Roberts

Testing if I can send from gmail or not. Hasn't been working... Hey moderator, wake up!

20 years

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Linux-audio-user September 2005