Linux-audio-user April 2009

linux-audio-user@lists.linuxaudio.org

112 participants
101 discussions

Mastering question (not software, but technique)

by Julien Claassen

Hey everyone! Ive got a few questions/assumpotions, i'd like to have your opinion about. Clarification: I don't use GUI, because I can't. I have to go by ear. Equalisation; Assume using Fons Adriaesen's LADSPA EQ (filters.so Unique ID: 1970). I choose the band freuqencies (as a starting point) around the dominanat note of my piece. So if it's in A major/minor I might choose 55Hz, 220Hz, 440Hz and 3520Hz. Assume we have a simple piece in one key only and we don't do too much weird. Good assumption? Or should I start out by listening for the main frequencies of instruments with harsh and loud attacks (like drums, strongly plucked instruments...)? Doing compression on filtered bands: I again go for bass, mid (rhtym instrument and perhaps main voice) and high (lead sounds and all the overtones). Again I choose based on the key of the piece. Good choice? About compression: I usually have high compression ratio on the bass (as a starting point), mid ratio on the mid range and a high ratio again on the overtones. Good starting decision (assuming a basic pop/rock setup: bass, drums, rhythm instrument, voice and lead)? Or should I go for the peaky instruments? If you have no GUI setup, how would you find frequencies of the peaky sounds VERY fast? You could guess the sounds, but you have to find the bnads, you can get textual output from a filter or any other LADSPA plugin. You can control parameters of effects with MIDI or by entering into the computer keyboard. I guess filter below 20Hz and above 20kHz is fine, you can't hear it if your older than a young child and belong to the human species. When to filter: as early as possible or as late as possible? I'd guess: better later. Does it make much difference if you record in 48kHz or 96kHz if you finally get down to 44.1kHz output for the public? I mean realistically, not just in theory viewed on some analyzer. A lot of questions, a few - perhaps all - rather stupid, but after reading a bit, I didn't find suitable answers. If someone can recommend some reading on the net, which is not PDF (at least not favourably PDF), please tell me, I'm not too afraid of reading. :-) Kindest regard and thanks Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

15 years, 7 months

Re: [LAU] delta 66, just mono

by sonofzev＠iinet.net.au

Yes it is.. The individual outputs are mono only. Send Left channel to channel 1 and right channel to channel 2.. Headphones are not useable with this device unless you have a hardware mixer. On Wed Apr 8 7:33 , Grammostola Rosea sent: >Hi, > >My father bought an delta 66, but he gets only mono sound out of it. >Tried it with headphone and cd player installation... Alsa and jack. Is >it the way of connecting the hardware? Suggestions and comments are welcome. > > >\r >_______________________________________________ >Linux-audio-user mailing list >Linux-audio-user(a)lists.linuxaudio.org >http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user >)

15 years, 7 months

RME HDSPe ExpressCard interface

by plutek-infinity

greetings! i've been running an RME Multiface under linux for years with the CardBus interface. i just switched to the ExpressCard interface, and am having troubles. before getting into details, are there folks out there running the RME ExpressCard interface with the Multiface breakout box successfully? the ALSA matrix says it should be fine. if so, what distros and laptops? i'm using a Lenovo T61p laptop with SUSE and Debian (pure:dyne), and having troubles under both distros. the adapter works fine under WinXP -- yes, i re-installed XP just to test the hardware -- uggh! thanks in advance.... cheers! -- .pltk.

15 years, 7 months

Re: [LAU] delta 66, just mono

by sonofzev＠iinet.net.au

On Wed Apr 8 11:59 , Paul Davis sent: >On Tue, Apr 7, 2009 at 6:06 PM, sonofzev(a)iinet.net.au >sonofzev(a)iinet.net.au> wrote: >> Yes it is.. >> >> The individual outputs are mono only. Send Left channel to channel 1 and right >> channel to channel 2.. >> >> Headphones are not useable with this device unless you have a hardware mixer. > >or a reverse-Y jack (2 in, 1 out). >) True, but how do headphones go with line level output :)

15 years, 7 months

delta 66, just mono

by Grammostola Rosea

Hi, My father bought an delta 66, but he gets only mono sound out of it. Tried it with headphone and cd player installation... Alsa and jack. Is it the way of connecting the hardware? Suggestions and comments are welcome. \r

15 years, 7 months

first order ITU 5.1 preset for ambdec or second order stereo panner

by Hector Centeno

Hello (Fons), I was wondering if anyone has a ITU 5.1 preset for ambdec. The one included is for second order only and I would like to use the stereo panner included in the LADPSA AMB plugins by Fons. A second order stereo panner would be great too. Cheers, Hector

15 years, 7 months

kernel install problem redux

by Dave Phillips

Greetings, Here's the scenario: My notebook includes an Ubuntu 8.10 installation and one for 64 Studio 3.0 beta 2. Recently I added a new rt kernel to the Ubuntu installation. The active grub menu/loader is on the 64 Studio partition, so I copied the information from the Ubuntu /boot/grub/menu.lst to 64 Studio's menu.lst. I figured that since I can boot into the Ubuntu non-realtime kernel from that menu, I ought to be able to boot the new kernel just as easily. Alas, it just ain't so. The kernel loader fails every time with an error saying that /dev/disk/by-uuid/* can't be found. Before I get advice re: the whole UUID mess, know that I've already replaced the uuid strings with the direct drive specification (/dev/sda1) and that I still receive the same error, but referring to /dev/sda1 instead of the uuid spec. In other words, it doesn't work. This weirdness bothers me: My regular Ubuntu kernel loads without troubles from 64 Studio's grub menu, yet my rt kernel (2.6.24-18-rt) won't, even though it has the same uuid. Grrr... So, I ask again: Is there some way to update grub in 64 Studio so that it will load my Ubuntu rt kernel ? Has anyone else run into this problem ? It's certainly well-known on Google, but so far none of the suggested fixes have worked. Anyone have any further ideas for me to try ? Best, dp

15 years, 7 months

Digidesign Command|8

by sv-e＠sv-e.dk

Hi Has anyone succeeded in using a Digidesign Command|8 with Adour ? http://www.digidesign.com/index.cfm?itemid=4878 /Sv-e

15 years, 7 months

[ANN] envtag-0.3

by Ali Polatel

envtag-0.3 has been released. * Rewritten in C++ to make better use of taglib * Lua is a hard dependency now, envtag uses it extensively * Support for getting/setting Xiph Comments * Optional libmagic based filetype detection support, enable with --enable-libmagic tarball: http://alip.anapnea.net/envtag/envtag-0.3.tar.gz sha1sum: 98159a8c53e9aadbeb36c7b83f24099e7ab4566c -- Regards, Ali Polatel

15 years, 7 months

[LAC2009] stream team volunteers wanted!

by Jörn Nettingsmeier

hi everyone! for those among you who will make it to LAC 2009 in parma: we are looking for 1-2 more people to help with the streaming. your job would be to watch the paper sessions, hang out on IRC and relay the questions of remote participants to the local audience. if you're interested, you also get to play with some interesting video gear and the blazing new thusnelda encoder :) please get in touch! volunteers will be fed and watered as required, according to the Marije Baalman StreamTeam Sustenance Plan(tm). unfortunately, stream overlord eric rzewnicki can't be with us this year - i'd like to take the opportunity to offer HUGE (and i mean, like, HUMONGOUS) kudos to edrz for many years (and many more hours) of volunteer work for this community (not to mention shouldering frightening travel expenses year after year to haul himself to old europe). edrz: thanks! i hope we'll see you on IRC. best, jörn

15 years, 7 months

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Linux-audio-user April 2009