Linux-audio-user

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20662 discussions

New album out: Modlys/2013

by Atte

Hi all I'm very happy to announce that I just released a new album entitled "2013", under my electronic project "Modlys". I've put a lot of work into it, and I'm quite happy with the result. It's free as in beer, feel free to donate if you dig it! http://music.modlys.dk/album/2013 Hope you enjoy! -- Atte http://atte.dk http://modlys.dk

11 years, 9 months

rt-patch vs cgroups approach

by F Tux

Hi all! In the past few months I've been fiddling with the kernel config to get the best latency out of my laptop (core2 t6400, 2GHz 1MB L2, 4GB of RAM). The best settings I've got so far are 128*3 with a sample rate of 48000Hz. All of this with the rt-patch and following the guide in the linux audio wiki. My question is regarding the method described here http://proaudio.tuxfamily.org/wiki/index.php?title=DAW_Digital_Audio_Workst… I've seen this described in many a forum, and people say they got better results with it than with the rt-patch. Do you have any experiences with the cgroups solution? Is it stable enough for live performance? I will be testing it some time in the future, but I thought it would be a good idea to fire up the discussion here and make it for a common profit. Thanks a lot to all of you. It's great to know there's a place for the really independent musician to learn and share for free with his fellow hackers around the globe. Bye

11 years, 9 months

new song with ardour and freesound.org

by Chris Bungue

Hi all, I have played a little bit around with ardour3 and the import function of freessound.org. For mixing and mastering I have use a lot of linuxdsp and calf plugings. I hope the mix is ok. http://soundcloud.com/ch-bunge/free-sound-lab44 thanks chris

11 years, 9 months

Ardour: UI bar with record button/clock, etc is gone

by jonetsu＠teksavvy.com

Hello, (Sorry for crossposting from Ardour list but I figured someone here could answer faster). I clicked on 'something' in Ardour 3.5.358 top bar and now it's gone. It was hiding behind the main window, so I clicked on the small up arrow on the right of the stand-alone bar (eg. detached window for these controls) and now, it's really gone from sight. I've browser the menu options but did not find where to re-activate it. Cannot record, sicne the record button is part of the bar. I have loaded the Axiom 25 control interface, but the record button of the Axiom does not enable recording (play and rewind works). How to make the top control bar visible again ? Thanks !

11 years, 9 months

question about Ardour tempo

by Brent Busby

I have an Ardour project that was recorded with Ardour setup as a Jack slave, driven by Muse. It correctly tracks the tempo from Muse at 130bpm. However, it has ended up with a tempo timeline tag of 120bpm. Is that something hardcoded? Should I change it in the Ardour project to reflect the true tempo? Why didn't it notice that it was tracking faster than that? -- + Brent A. Busby + "We've all heard that a million monkeys + Sr. UNIX Systems Admin + banging on a million typewriters will + University of Chicago + eventually reproduce the entire works of + James Franck Institute + Shakespeare. Now, thanks to the Internet, + Materials Research Ctr + we know this is not true." -Robert Wilensky

11 years, 9 months

[ANN] XSL stylesheets for converting specimen banks to petri-foo banks

by Thomas Mayer

Hi, I have just finished two XSL stylesheets for converting specimen banks to the save format used by petri-foo, so a user can easily switch to petri-foo: https://github.com/residuum/specimen2petri-foo There are two stylesheets, depending on your locale settings, i.e. if your locale uses comma or dot as decimal separator (if 1/2 is saved as 0.5 or 0,5 on your system). If there are any other decimal separators out there your copy s2p_comma.xsl and replace strings "0," and "1," to your settings. Do not do that with s2p_dot.xsl, because necessary version information for XML and XSL use strings like "1.0" etc. Standard sample rate is set to 44.1 kHz, if you want to change to another value, just edit the value in line 6. If you encounter any bugs, open an issue on Github or send me an email. Thanks, Thomas -- "We left all that stuff out. If there's an error, we have this routine called panic, and when it is called, the machine crashes, and you holler down the hall, 'Hey, reboot it.'" (Dennis Ritchie) http://www.residuum.org/

11 years, 9 months

Caps Plate2x2 differences between Arch/Debian

by James Morris

Has anyone else come across this issue with the LADSPA Caps Plate plugin with the effect on Arch being very much reduced compared with the amount of effect provided by the same plugin in Debian? With the plugin tail and bandwidth set to maximum, damping at a minimum, and no dry effect, silence arrives in a flash. Its a problem I've noticed for several months... James.

11 years, 9 months

HDSP wrong firmware gets loaded (digi- vs multiface)

by Peter P.

Hi list, hdsploader (via hotplug) on my box seems to load firmware at will. Sometimes it loads the Digiface firmware into my Multiface, sometimes it loads the correct one. I suppose I could simply delete the digiface firmware from the path, but what is it that makes it load the wrong one? correct one: kernel: [98033.160982] pci 0000:05:00.0: BAR 0: assigned [mem 0xf0000000-0xf000ffff] kernel: [98033.161012] pci 0000:05:00.0: no hotplug settings from platform kernel: [98033.161264] snd_hdsp 0000:05:00.0: enabling device (0000 -> 0002) kernel: [98033.467674] Hammerfall-DSP: wait for FIFO status <= 0 failed after 30 iterations kernel: [98033.474630] snd_hdsp 0000:05:00.0: firmware: agent loaded multiface_firmware_rev11.bin into memory wrong one: kernel: [98146.327251] Hammerfall-DSP: loading firmware kernel: [98149.392459] Hammerfall-DSP: finished firmware loading kernel: [98243.384790] pci 0000:05:00.0: BAR 0: assigned [mem 0xf0000000-0xf000ffff] kernel: [98243.384824] pci 0000:05:00.0: no hotplug settings from platform kernel: [98243.385118] snd_hdsp 0000:05:00.0: enabling device (0000 -> 0002) kernel: [98243.689751] snd_hdsp 0000:05:00.0: firmware: agent loaded digiface_firmware_rev11.bin into memory Does someone else have the same issue? best, P

11 years, 9 months

Strange change of sample rate upon connecting mixing desk

by Peter P.

Dear list, allow me to post a question here that I already sent to alsa-user, but without any response so far, thank you! ----------8<----------- Hi all, now here is one of the weirdest problems I have come across in the past years. Actually it is halting my current production even, but I am primarily interested how this error is caused (and how it can be solved): The sampling rate of my RME HDSP Card is set from "Internal 44.1k" to "Internal 48k" upon connecting a Yamaha DM1000 mixing console via usb! The console does not provide a USB audio interface, but several midi ports over USB, using the snd_usb_audio module. cat /proc/asound/cards: 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xf2520000 irq 43 1 [DSP ]: H-DSP - Hammerfall DSP RME Hammerfall DSP + Multiface at 0xf0000000, irq 19 2 [DM1000 ]: USB-Audio - DM1000 Yamaha DM1000 at usb-0000:00:1d.0-1.2, full speed 29 [ThinkPadEC ]: ThinkPad EC - ThinkPad Console Audio Control ThinkPad Console Audio Control at EC reg 0x30, fw 6QHT26WW-1.07 >From HDSP's alsamixer I can see that upon connecting the DM1000 the control "Sample Clock Source Locking" gets set to [Off], and the sample rate is set to 48k as described above. The change is also reflected in the 'hdspconf' software that configures some properties of the card. cat /proc/asound/pcm does not list the DM1000: 00-00: CONEXANT Analog : CONEXANT Analog : playback 1 : capture 1 00-03: HDMI 0 : HDMI 0 : playback 1 01-00: RME Hammerfall DSP + Multiface : RME Hammerfall DSP + Multiface : playback 1 : capture 1 This is on a Debian box runnig kernel 3.2.0-4-rt-amd64 Let me add here, that upon starting any audio application using the same card under alsa can (re)set the sampling rate to the correct value. If the mixer is re-connected, after that audio application was launched, the sampling rate of the HDSP card is changed to 48k, causing an audible transposition. Can anyone imagine what causes this strange behavior? Thank you so much for all hints best, P

11 years, 9 months

Small Rotter / remote icecast box thoughts.

by drew Roberts

Already sent to the Rivendell users list several days ago but so far nobody seems to be doing exactly this so I thought the wider linux audio community might have some valuable insight. Looking for ideas / thoughts / discussion / advice on: a small box to put in remote locations. it will: have a tuner card(s) or an external radio(s) record the input from the radio via rotter (other?) send to an icecast instance for remote listening. be low power and inexpensive. Hopefully be able to handle more than one station on the same box. Links for those who may not know of rotter or some of the other bits I want to run.: Rotter - http://www.aelius.com/njh/rotter/ Liquidsoap - http://savonet.sourceforge.net/ Darkice - http://code.google.com/p/darkice/ Icecast - http://www.icecast.org/ all the best, drew

11 years, 9 months

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Linux-audio-user