Linux-audio-user May 2009

linux-audio-user@lists.linuxaudio.org

146 participants
137 discussions

by Norval Watson

I'm thinking about getting Acer Aspire One with 512Mb RAM, 8 Gb SSD as a travel music companion/toy. I can get it for about half the price of an Eee.. Any opinions/advice/rants on this ? Specs: Processor: Intel Atom N270 1.60 GHz, 533MHz FSB, 512KB L2 cache OS: Linpus Linux (Model AOA110-AB) Chipset: Mobile Intel 82945GSE RAM: : 512MB DDR2 533MHz SDRAM (expandable to 1GB) Storage: 8GB SSD Display: 22.5cm (8.9") WSVGA high-brightness TFT LCD, 1024 x 600 pixel resolution Web Cam: Integrated Acer Crystal Eye webcam Graphics: Integrated Intel Graphics GMA950 Audio: High-definition audio support, 2 built-in stereo speakers MS-Sound compat, built-in mic Keyboard: 6-row, 84-key keyboard with 1.6 mm (minimum) key travel Ports: 3 USB 2.0, VGA, Headphone/speaker/line-out jack, Mic-in jack RJ-45, DC-in jack for AC adaptor Network: Acer 802.11b/g Wi-Fi Network connection 10/100 Mbps Fast Ethernet Media: 5-in-1 card reader (SD, MMC, MS, MS PRO, xD) Pointing Device: Touchpad with 2 buttons Colour: Blue Battery: 3-cell l-ion battery Protective case included ******************************************* Twitter: www.twitter.com/norv2001 - some tweets I made Vimeo: www.vimeo.com/videos/search:norv2001 - some videos I made Flickr: www.flickr.com/photos/12687273@N04/ - some photos I made MySpace: www.myspace.com/dcellmusic - some music I made Facebook: www.facebook.com - some friends I made Longforest www.longforest.com - some websites I made

15 years, 6 months

sample processing in python

by Atte André Jensen

Hi I'd like to process samples, mostly slice, splice, mix and fade, preferably in python, and preferably without any 3rd part library installed. I couldn't find such functionality inside standard python, did I overlook something? I could (and have) write wrappers around sox, but since sox seems to change it's "API" all the time that's not such a nice solution. I guess/hope ecasound is more stable with regards to it's interface, would that be a better option? Are there other languages, c++ or c for instance that have the functionality I'm looking for build in? I might consider letting go of my beloved python if other languages have something available as standard... -- Atte http://atte.dk http://modlys.dk http://virb.com/atte

15 years, 6 months

usb soundcard with 6 outs

by Ivica Ico Bukvic

Hi all, Any recommendations on a 6-channel USB soundcard that also possibly has a preamp mic input or two on it? E.g. http://www.esi-audio.com/products/u46xl/ (but not sure if it is support by ALSA). Best wishes, Ivica Ico Bukvic, D.M.A. Composition, Music Technology Director, DISIS Interactive Sound & Intermedia Studio Assistant Co-Director, CCTAD CHCI, CS, and Art (by courtesy) Virginia Tech Dept. of Music - 0240 Blacksburg, VA 24061 (540) 231-6139 (540) 231-5034 (fax) ico(a)vt.edu http://www.music.vt.edu/faculty/bukvic/

15 years, 6 months

linux tool to get/put metadata into iXML-chunk in bwf-files?

by andersvi＠notam02.no

Does anybody here know of existing code or ready apps (linux pref.) to retreive and store data from/into the iXML-chunk of bwf-files? Thanks, -anders

15 years, 6 months

Gentoo, PulseAudio, and the Pro-Audio overlay

by Brent Busby

Next week, I'm going to attempt building a DAW machine from a fresh install based on Gentoo. It's not my first time with a source-based distribution, so I do know what to expect from operating systems that can involve recompiling the whole world... I'm interested in advice about Gentoo though. For one thing, is it best to install layman and use the Pro-Audio overlay right away, or should I try to get to a semi-done state with a regular install of Gentoo using regular supported Portage first? What effect will using an overlay like this have on the rest of the distro? Does it ever break anything basic? I'd imagine it'd probably be best to use the overlay as early in the installation/customization process as possible, before there are very many packages actually installed. Also, I'm gathering that for pro audio work, the concensus of most here is that PulseAudio is about as helpful as a fork in the eye. Currently, the machine I've been recording on is running Debian "etch", so the software is of a vintage that pre-dates the whole debacle. However, more current systems seem to all be very integrated with PulseAudio. I can certainly say that it doesn't sound like PulseAudio solves any problem that I've ever been having on my etch-era system. I have two sound "cards", with my Alsa "hw:0" pointing to the generic sound chip on my motherboard (which gets used for regular desktop audio), and my Alsa "hw:1" being a Delta-1010 (which I'm thinking of upgrading to an RME Multiface-II at some point). All my desktop sounds know where to go by default, and my pro audio apps are configurable enough to allow me to manually select the Delta from their GUI's. I think that's the way it should be. I've noticed that Gentoo has a USE flag for PulseAudio, which 35 packages in Portage can use. If I disable it, and rebuild, will this ban the scourge of PulseAudio from my system globally? Is that what I want? One final question: How does one handle the kernel? I know the Pro-Audio overlay probably comes with its own tweaked realtime kernel, but if I would like to have that available at the same time as a manually patched and configed Ingo Molnar kernel, and select from Grub which I would like to boot from, what is the most "Gentoo way" of getting that accomplished? It'd be nice to compare the custom kernel I've been using to whatever comes with the overlay. -- + Brent A. Busby + "We've all heard that a million monkeys + UNIX Systems Admin + banging on a million typewriters will + University of Chicago + eventually reproduce the entire works of + Physical Sciences Div. + Shakespeare. Now, thanks to the Internet, + James Franck Institute + we know this is not true." -Robert Wilensky

15 years, 6 months

my djplay is not running mp3 files, not even ogg files

by stalinho86＠gmail.com

i've been trying to use a new dj mixer on linux. Like the windows Virual DJ. The application i've found more usefull was djplay, but now it's not playing my audio formats. It just gives me a message "File format is not supported". Can anybody help me? Sorry for bad English. Eduardo Stalinho, from Brazil.

15 years, 6 months

by Russell Hanaghan

Hello folks, I have had an interesting 12mths, to say the least! I have not been involved in any audio work at all, let alone open source / Linux audio. That, hopefully, is about to change. I have quit the day gig and am now looking at setting up a studio, instrument and amplifier repair, custom guitar shop...and muffins / coffee / window washing (emphasis on what ever it takes to make rent basically) business. I have the location in the Sierra foothills of Nth California and will pick up the keys today. I'm excited to be getting involved in music and audio again...it's been awhile. So, it's now time to get up to speed on what I've missed! I'm eager to catch up on the staples (Ardour, Jack, Muse, RG, Q{everything}) etc, and hear about anything new. It's been about 10 months since I have paid any attention at all to Linux audio so if anyone has the desire to do a brief summary, it's appreciated. Beyond that, I will be poking around to see what's changed and whats new. Hope everyone is well. Cheers! Russell

15 years, 6 months

Netrek needs some music and effects

by James Cameron

Netrek on Linux needs rework of the sound effects and addition of backing music. We have some antique sound effects that are of unknown origin and copyright that we wish to discard. If anybody is interested in helping out, please contact me or the development mailing list netrek-dev(a)us.netrek.org. We're not offering bounties, but we will place a credit for your work in the software. We use the BSD and GPL licenses. Further information on Netrek is at http://netrek.org/ we also have a development Wiki at http://wiki.netrek.org/ and we meet on #netrek IRC channel on Freenode. -- James Cameron mailto:quozl@us.netrek.org http://quozl.netrek.org/

15 years, 6 months

Denemo 0.8.4 release - Music Notation Editor

by Nils Gey

Sorry for the crossposting, but the statistics show that only some people have subscribed to all three lists. ------------ The Denemo project has released a new version of its music notation program. Denemo 0.8.4, which is available for Windows, Linux and MacOS (via third-party builds) as source and binaries. The software is distributed under the GPL. Some of the new features are improvements for scripting support and user-created commands and improved MIDI-output. Official support, beneath our website, is avaible via our IRC channel #denemo on irc.freenode.net. Denemos notation-functionality is ready for daily and professional use. For future improvements our team searches for additional developers. If you are interested in notation and midi-sequencing please join the team! Website: http://www.denemo.org Additional information: GNU Denemo is a free, GPL, open source music notation editor for Linux, MacOS and Windows that lets you rapidly enter notation for typesetting via the LilyPond music engraver. You can compose, transcribe, arrange, listen to the music and much more. Music can be typed in at the PC-Keyboard, or played in via MIDI controller, or input acoustically into a microphone plugged into your computer's soundcard.

15 years, 6 months

seq_setup: a pragmatic approach to session handling

by Atte André Jensen

Hi While I'm waiting for LASH, I just redid and cleaned up my seq_setup script, if anyone wants to take a look, it's here: http://atte.dk/seq_setup/ The basic idea is that I place all files regarding a certain song/track in one directory. When I want to work on the song I cd to the directory and calls "seq_setup" (which is placed in ~/bin). It tried to be clever about which apps should be started first, for instance I use ardour as a mixer, with all synths connected to a bus in ardour, which means that ardour should not start before noise generating apps are loaded. I'm not really starting a new linux audio software project here, and admittedly seq_setup ATM only supports the apps I use, more will follow as I start using more apps in my music. But I'd be interested in hearing any thoughts on my approach, how others are handling the same problem. And of course if anyone finds it useful, they're free to use it. -- Atte http://atte.dk http://modlys.dk http://virb.com/atte

15 years, 6 months

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Linux-audio-user May 2009