Linux-audio-user December 2013

linux-audio-user@lists.linuxaudio.org

100 participants
87 discussions

by Roberto Suárez Soto

Hi, I'm thinking about buying a new sound card for recording guitar. As most recommendations I've seen on the Net are quite old (latest I could get was from 2012), I'm asking here to get more current information :-) My current setup is a V-Amp 2 connected through the headphones' output and a stereo jack to the line-in input in my computer. It's got an AMD Phenom 945, 12GB RAM and a built-in HDA Intel clone. It works, but it's noisy and I think it distorts sound when I pump up the volume. I've also tried a Behringer UCG-102, but it adds a hefty amount of latency (60-70 ms as measured by qjackctl). I'm not searching for anything "pro", just something cheap (<150€) to play and sometimes record at home. I wouldn't mind a PCI/PCIe card, though I worry that two or three years from now computers stop carrying PCI slots and I have to get rid of it. Searching for USB compatible devices, I've seen the Shappire 2i2, but reports of it working on Linux are mixed. A pity, because it sure looks good :-) So, based on this, what would you recommend? Thanks in advance, -- Roberto Suarez Soto We like to party Rock the party

11 years, 6 months

aubio 0.4.0

by Paul Brossier

Hi all, I am pleased to announce that a new version of aubio, 0.4.0, has been released. aubio is a library of functions to perform audio feature extractions such as: - note onset detection - pitch detection - beat tracking - MFCC computation - spectral descriptors The core library, written in C, focuses on speed and portability. It is known to run on most modern operating systems, including Linux, Mac OS X, Windows, Android, and iOS. A new python module, rewritten from scratch, gives access to the features of aubio's core library from within Python. Tightly integrated with Python NumPy, the aubio python module provides an efficient way to extract features from audio streams as well as to design new algorithms. To find out more about aubio and this release: Project homepage: http://aubio.org/ Post announcing aubio 0.4.0: http://aubio.org/news/20131217-1900_aubio_0.4.0 ChangeLog for aubio 0.4.0: http://aubio.org/pub/aubio-0.4.0.changelog Source tarball, signature and digests: http://aubio.org/pub/aubio-0.4.0.tar.bz2 http://aubio.org/pub/aubio-0.4.0.tar.bz2.asc http://aubio.org/pub/aubio-0.4.0.tar.bz2.md5 http://aubio.org/pub/aubio-0.4.0.tar.bz2.sha1 API Documentation: http://aubio.org/doc/latest/ Merry hacking! Paul

11 years, 6 months

[New music]: Days of Borrowed Time

by Julien Claassen

Hello everyone! Here is the serious piece of electronic music. Rather more depressive than I would have predicted. First though I have to express my gratitude to Alison Utter for the sweet vocals, that she has supplied. Thanks! And then we have the links: http://juliencoder.de/nama/borrowed_time.ogg http://juliencoder.de/nama/borrowed_time.mp3 And the lyrics: http://juliencoder.de/nama/borrowed_time.html Or you can access it all from the music page: http://juliencoder.de/nama/music.html Now about that song: technically speaking I used a lot of Midish and Nama. And for the first time I really came to appreciate Ecasound's LV2-support. So also a big thanks to Jeremy Salwen, who contributed that feature! Musically, this is a mixture of different influences. I'm still not sure, if it should be categorised as pop or electronica. there's some dubstep in this, as well as some hiphop - in German! :-) - and some basic depressive pop. As to instruments used: almost everything I have at my disposal. In software I only used LinuxSampler for the Solina sample. Thanks to the friend, who made a present of it to me! It's a versatile instrument! This latest experiment concluded, I will just lean back and relax. As ever: feedback is very welcome! Warm regards and enjoy Julien ---------------------------------------- http://juliencoder.de/nama/music.html

11 years, 6 months

question related output level and sound card

by Djého Youn

Hello, list. Last time I had a gig in a club where the sound system was really huge, and I noticed that my signal wasn't loud enough. I was using just headphone jack out from my laptop, and it hasn't been a problem...I did plenty of gigs like that and it worked out pretty well. but with this huge system, my max output didn't even hit the half of level meter on the main mixer....as I'm obsessed with being loud, I was ashamed and I need a solution. I've been told that if I use a dedicated sound card, my output signal can boost significantly. is it true? although it sounds like it makes sense, I doubt it a little bit because I don't see any output pre-amps...etc. on the sound cards spec. (for inputs, yes. but what matters for me is the level of output) BUT if it's true, what card you recommend to me? my conditions are: 1. of course, my purpose is to boost my output signal, it has to satisfy that first of all. 2. my budget is around 100-150 euro, but if needed, I can go a big higher. 3. I'm on Ubuntu 13.10, on lenovo ideapad Y500. I'm not the kind of guy who can trouble shoot very well, hacking firmwares or whatever. so plug and play, 'work out of box' kinda card will be great. 4. I do not have firewire port on my laptop, so it must be USB. 5. I don't know if it's true or not, but I've been told also that some cards output more 'warmer' sounds. I want to prevent that. I want my output LOUD but NOT warm. so far, I found this: http://www.thomann.de/pl/akai_eie_pro.htm it looks like it will boost some signal. well, it 'looks' like. some of you guys have this one? some reviews maybe? also I've been told that the use of little table top compressor can help, like this one: http://www.thomann.de/pl/fmr_audio_rnc_1773.htm if it's the case, maybe I won't need a soundcard. or do I need both? or do you know some usb sound card that can combine the both?? thank you for all your thoughts and advices. best, jae -- Jae Ho YOUN http://jaehoyoun.com http://advancedsituation.com/

11 years, 6 months

question about FOSS WFS implentations

by Ivica Ico Bukvic

All, Some preliminary research reveals several FOSS implementations of WFS (wave field synthesis). What is not entirely clear is how these implementations stack up to something like Sonic Emotion. I presume they will be subpar but the question is by how much and in what ways? Ok, now another question. Is anyone aware of a 3D FOSS WFS implementation (multiple horizontal rows) and how hard would it be to use? Best wishes, -- Ivica Ico Bukvic, D.M.A Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Director, L2Ork Linux Laptop Orchestra Head, ICAT IMPACT Studio Virginia Tech Department of Music Blacksburg, VA 24061-0240 (540) 231-6139 (540) 231-5034 (fax) disis.music.vt.edu l2ork.music.vt.edu ico.bukvic.net

11 years, 6 months

A Seasonal Track.

by Will Godfrey

Recently, re-composed, re-mixed, re-polished :) http://www.musically.me.uk/music/Halloween.ogg -- Will J Godfrey http://www.musically.me.uk Say you have a poem and I have a tune. Exchange them and we can both have a poem, a tune, and a song.

11 years, 6 months

[OT] SW recommendation

by jonetsu＠teksavvy.com

Hello everyone, This is off topic but you are basicvally the only source that I know of that I know knows something about this. I would like to buy this for our son for Xmas. I am a registered Ardour user and have suggested him to use it but he can not really dual boot and use Ardour, since all of his stuff, and all of his friends and all that are on the Windows side. If he could also make music there it would be a nice creative thing that he could share with others. Thing is, I know absolutely *nothing* about Windows software. I almost bought a Sony recording thing but backed off when I realized there's no support for a M-audio 1010LT card. Our son's machine has a 1010LT card and Windows 7. I'm certain many of you here knows a thing or two or three about Windows recording softwares out there that would basically be like Ardour. And under $300 if possible. So I would ask kindly if it's possible to give some recommendations here. It would be greatly appreciated ! If such a request/thread is verboten, simply tell me. Or send me recommendations by email. Cheers !

11 years, 6 months

Machine Landscape

by Lorenzo Sutton

Dear LAU, I'm happy to share this acousmatic piece I have made available online. On soundcloud: https://soundcloud.com/lorenzosu/machine-landscape Direct download of the FLAC file is also available from that soundcloud page OGG file: http://lorenzosu.net/music_sound/machine_landscape/machine_landscape.ogg Machine Landscape presents a sonic experience inspired by 'the machine', predominant and unavoidable element of our contemporary life. The piece was entirely composed with Linux. and was performed at EmuFest 2013 electronic music festival in Rome in October. For the festival the piece was performed on a 24-speaker 'dome' system and spatialised live. For what concerns software Ardour3 and Pure Data had a predominant role. Lorenzo.

11 years, 7 months

OpenAV : Luppp release!

by Aurélien Leblond

Hi all, For those using Ubuntu Saucy, I just packaged Luppp: http://objectivewave.wordpress.com/2013/12/15/luppp-in-the-repo/ The package is based on the work done by AutoStatic for KXStudio. Hope this helps anyone... Aurélien

11 years, 7 months

Re: [LAU] question related output level and sound card

by Al Thompson

I suspect that someone switched on the pad on the DI, or on the mixer itself. Joe Hartley <jh(a)brainiac.com> wrote: >On Mon, 16 Dec 2013 18:48:32 +0100 >Djého Youn <ydjeho(a)gmail.com> wrote: >> for those who gave advice with main mixer, 'sorry I wasn't that clear. but >> mixer's input gain was max. and it was only half on the meter. then >> boosting mixer's channel/master only made my sound horribly distorted. > >Headphoune out is a different impedance than line out, it's really easy >to overload a line input. I'm a little suspicious of the level into the >main mixer though; you should have had more than enough signal for the board. >I suspect there was some user error at the mixer. > >> this looks quite nice...as it's preamp AND soundcard...if soundcard doesn't >> make my signal louder, then I can use it as preamp..if I got it right. >> http://www.thomann.de/pl/art_usb_dual_tube_pre.htm >> >> does anyone used this with ubuntu 13.10 on modern laptops? > >I use an ART DualPre (not the tube model) with ArchLinux regularly with >no issues at all. It worked fine when I used Fedora as well but I >switched to Arch a while back and havent tested it in a while. There >shouldn't be any driver issues, it follows the USB audio interface spec >pretty well. > >The ART will give a much better signal, and the line outs use balanced 1/4" >TRS connectors so you can get a quieter signal if you use the appropriate >patch cables. > >Good luck! > >-- >====================================================================== > Joe Hartley - UNIX/network Consultant - jh(a)brainiac.com > Without deviation from the norm, "progress" is not possible. - FZappa >_______________________________________________ >Linux-audio-user mailing list >Linux-audio-user(a)lists.linuxaudio.org >http://lists.linuxaudio.org/listinfo/linux-audio-user

11 years, 7 months

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Linux-audio-user December 2013