Linux-audio-user May 2005

linux-audio-user@lists.linuxaudio.org

154 participants
186 discussions

by james＠dis-dot-dat.net

Hi peeps, Thanks to everyone that listened to my test/preview over the past day or two, and thanks for the comments. I have a final version for you to listen to: http://blog.dis-dot-dat.net/2005/05/music_31.html There might be some tweakage later on, but I don't think I'll be changing the content. I hope the bass is bassy enough and the hats are airy enough for you all. Thanks again, everyone. 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)

19 years, 10 months

[linux-audio-user] seeking simple library to detect sound volume

by michael＠michaelshiloh.com

Hello, I've been looking on the web, and have visited the excellent resource linux-sound.org, and am a bit overwhelmed as there are so many choices, most much more elaborate than I need. What I need is the ability to monitor sound going from the computer out to my sound card, and to report when the volume exceeds a certain threshold. I need no graphic capability and as I will be writing my own application around this I prefer as simple and straightforward a library as possible. In fact I don't even need a library - a C function would be ideal! Extra features that would be nice, but not critical, would be the ability to have one or more filters so that I could report on the volume in various frequency ranges. Do any of you have any suggestions for me? Thanks, Michael

19 years, 10 months

Re: [linux-audio-user] Current info on low latency audio and linux

by thewade

>joq replied: >>thewade writes: >> I am wondering what the state of low-latency high-performance >> linux audio is? >> I am running 2.6.10 on fedora core with gnome and a few other >> processes (see post script for top | awk \\\'{ print $13 }\\\' output) >> and the realtime module (modprobe realtime gid=mygid). >> For performances I stop xscreensaver and cups. > >That should work quite well. Are you having problems with it? Yes. Jack runs fine for about 10 min, then gets all kinds of xruns, then dies. Other times it gets xruns but keeps going. I dont get why it runs fine for a while, then has problems. There is nothing in the log files (excpet jack dieing). Also I have to have the latency set to 10.7 msec because the mouse moving from window to window throws clicks otherwise. Then there\'s the PD latency on top of that. And the qJackCtl available latency meter is either at 4% or detecting xruns. >> I saw lots of emails about rlimits: is that some new >> realtime-esque kernel option? > >Yes. Is this better then the realtime module? I looked it up after your last email but all I could find was that it is \"cleaner\". It would just be nice to have consistancy. Should I use nice to bump up PD\'s priority (and not jack cause that is realtime)? -thewade

19 years, 10 months

Re: [linux-audio-user] Lend me your ears

by eviltwin69＠cableone.net

On Tue, 31 May 2005 09:46 , Chaz Worm <ewf(a)alltel.net> sent: >I really love the vinyl plug-in. I guess that is what it is. It gives >the opening the same feel as that one Primitive Radio Gods song that I >love. >I don't think the bass is too buried. I'm a professional bass player >and I would love to be that loud in the mix of 50% of the country gigs >I've done. Country soundmen are the worst for burying bass. They have >no concept that it doesn't really compete for any other frequencies >volume but still yet, I always get buried. Most country shows I play I >don't even care if I play the chords. I just dance around on stage. >Nobody can hear me anyway. >Maybe that is why local country sux. > Hey Chaz, one of the bands I'm playing with is a classic rock/country band. We run a separate power amp and a pair of 2x18 subs just for the bass and kick drum. When we play country you can *feel* it ;-) Jan

19 years, 10 months

[linux-audio-user] Lend me your ears

by james＠dis-dot-dat.net

Hi peeps, Here's quite a short test of a track I'm working on: http://dis-dot-dat.net/music/alltehtriptest.ogg It's not my usual style (http://dis-dot-dat.net/index.cgi?item=/music/), and I'm not sure about the result. Please let me know what you think, what's wrong with it, where you might think it would be best going, etc. I'm really just feeling my way into this kind of music, so any help is greatly appreciated. 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)

19 years, 10 months

[linux-audio-user] [ANNOUNCE] qjacklam V0.3 with 2 Jack Clients & table Widget

by Karsten Wiese

qjackLaM is a Latency Meter for jack. There are 2 JackClients now: 1 only outputs, the other only reveives. This should cause 0 impact on Jacks graphordering concerning the other clients. Also new: qjacklam measures ALL possible ways by itself and displays the results in a table. Get the source, cvs and fc3-binary via http://developer.berlios.de/projects/qjacklam . have fun Karsten ___________________________________________________________ Gesendet von Yahoo! Mail - Jetzt mit 1GB Speicher kostenlos - Hier anmelden: http://mail.yahoo.de

19 years, 10 months

[linux-audio-user] ANN: Oscilloscope plugin 0.2.1

by Lars Luthman

Version 0.2.1 of the Oscilloscope DSSI plugin is now available here: http://www.student.nada.kth.se/~d00-llu/music_dssi.php?lang=en It has fixes for some bugs spotted by Sean Bolton: - The GUI will now actually quit when it receives a /quit command from the plugin host - There will be no /tmp/dssi_shm_tmpfile_* files left behind when the plugin and GUI exits - The Makefile uses pkg-config to get the compiler flags for DSSI, so it should work now even if your DSSI header is installed in a non-standard directory Thanks to feedback from Sean Bolton and Chris Cannam on the DSSI mailing list I know also know that the plugin works with ghostess-20050516 and the latest CVS version of Rosegarden (but not with any releases of Rosegarden). -- Lars Luthman PGP key: http://www.d.kth.se/~d00-llu/pgp_key.php Fingerprint: FCA7 C790 19B9 322D EB7A E1B3 4371 4650 04C7 7E2E

19 years, 10 months

[linux-audio-user] announce: Midingsolo 0.1.0

by Gilles Degottex

Hi, This project aims to do a real-time audio note recognition software for monophonic signals (like solos). (it was a part of my fanr project) I'm interesting in: - tests - tests ! - tests !!! project website: https://gna.org/projects/midingsolo last version: http://download.gna.org/midingsolo/midingsolo-0.1.0.tar.bz2 Enjoy, Gilles

19 years, 10 months

[linux-audio-user] Current info on low latency audio and linux

by thewade

Hello sweet, sweet list! I am wondering what the state of low-latency high-performance linux audio is? I am running 2.6.10 on fedora core with gnome and a few other processes (see post script for top | awk \'{ print $13 }\' output) and the realtime module (modprobe realtime gid=mygid). For performances I stop xscreensaver and cups. I saw lots of emails about rlimits: is that some new realtime-esque kernel option? My hardware: AMD64 3400+ laptop (early version xtremenotebooks raptor) 1GB RAM ATI Radeon 9600 M10 graphics card (never really set up under linux) HDSP Hammerfall w/ Multiface Fedora Core 3T1 Jack 0.99.43 and qjackctl Xorg Release Date: 18 December 2003 X Protocol Version 11, Revision 0, Release 6.7 Build Operating System: Linux 2.4.21-14.ELsmp x86_64 [ELF] Current Operating System: Linux musicbox 2.6.10 #1 Thu Dec 30 21:12:01 MST 2004 x86_64 Build Date: 02 July 2004 Build Host: thor.perf.redhat.com Mainly running PD (pure-data) My questions are: Best kernel Best X (manager and/or settings) Best graphics setup for ATI (if it affects audio performance) Distro - a distro is just a starting point, right? A tweeked debian machine and a tweaked fedora machine each could each be made as fast as the other, no? Is there a site that has the current state of high performance linux audio somewhere? Thanks for the help, one and all! top | awk \'{ print $13 }\' gnome-terminal X top init ksoftirqd/0 events/0 khelper kacpid kblockd/0 khubd pdflush pdflush aio/0 kswapd0 kseriod pccardd pccardd kjournald kjournald kjournald kjournald kjournald kjournald kjournald khpsbpkt knodemgrd_0 cpuspeed dhclient syslogd klogd portmap mdadm cardmgr smartd acpid cupsd <- not during performances sshd xinetd gpm crond xfs atd dbus-daemon-1 mingetty mingetty mingetty mingetty mingetty mingetty gdm-binary gdm-binary gnome-session ssh-agent gconfd-2 gnome-keyring-d esd bonobo-activati gnome-settings- xscreensaver <- not during performances metacity gnome-panel nautilus <- not during performances

19 years, 10 months

Re: [linux-audio-user] voicemail?

by Steve Fosdick

While we're on the subject of voice applications: I'd like to use the PC as a phone, i.e. transmit sound from the mic-in on the soundcard to the phone line, have the sound received from the phone line available for mixing in the sound card's headphone out and be able to dial from software. All this, of course, under Linux. Does anyone know what hardware I should look for for this. I am assuming some kind of modem or modem card but these seem a bit of a minefield. Does the little link cable that runs from a PCI modem card to the sound card do everything I need or do I need to be able to copy data digitally? How can I tell which modem chipsets have enough support to be able to do what I want? TiA, Steve.

19 years, 10 months

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Linux-audio-user May 2005