Linux-audio-user

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20662 discussions

[linux-audio-user] Low latency with 2.6?

by Ruben Massy

Hello I actually use Andrew Morton's low latency patch for the linux kernel [1] with a 2.4.25, and I searched the www for a patch usable with the 2.6 Linux kernel tree but I didn't found nothing... Is this one the more up-to-date, or does somebody know where I should find a patch for the 2.6 serie? And if there is no release avaible, does somebody know if some people is working on a low latency patch for the 2.6.x kernel, and how I could contact [him|her|them]? Thank you, Cheers, [1] http://www.zip.com.au/~akpm/linux/schedlat.html#downloads -- ------ Ruben ------------------------------------ GnuPG key @ http://www.aliero.org/ruben/ruben.gpg -------------------------------------------------

21 years, 3 months

[linux-audio-user] plugging a bass guitar in a linux box

by caffeine

Hi everybody, I have a bass I'd like to plug in my Debian box. I know lots of people do it routinely with guitar, but I'm worried about the possible side effects on my hardware. I know that using a bass on a guitar amp would blow the thing off, but I don't know if it's just the guitar amp speaker which is not suited for such frequencies or if it's the electronic which suffer. >From what I understand, the "line in" soundcard input shouldn't have any problem dealing with the bass input, but problems might arise with the output (ATM this would be my stereo). I don't know enough about sound processing to be sure my assumptions are right. Anybody has any idea/knowledge to share ? thanks in advance.

21 years, 3 months

[linux-audio-user] Re: Jack and Callbacks

by ejbjr

> > >>My understanding is that apps need to follow a certain model (call-back >>base processing vs. block processing, iiuc) in order to function >>properly within the jack graph to meet it's low-latency and synchornous >>execution requirements. There were some pre-existing apps that fit this >>model and some that didn't. The authors of some of those that didn't fit >>rewrote their apps or wrote new ones. Some other authors either didn't >>care about jack's goals or disagreed with them and so their apps aren't >>jackable. I don't think there are any behind the scenes political >>maneuvers going on to keep certain apps out of the jack family. >> >> Personally, I hate programming with callbacks. But, the callback thread has to do something really quick with each block, and return anyway. It is really easy to write the main processing thread as a 'block processing' program, which waits on a semaphore or mutex set by the callback.

21 years, 3 months

[linux-audio-user] hdparm and SATA

by Matthew Barber

->The rest of the IDE stuff shouldn't apply to SATA unless the standards committees have done a real botched job of things.<- I have one Seagate Barracuda SATA drive that is seen by the system BIOS on the primary master IDE channel. I suspect different boards and BIOSs will handle SATA differently - some will handle it as some kind of SCSI, and some as some kind of IDE, but I could be wrong. I have used hdparm on my SATA drive as though it were an IDE, but it didn't change much. Matt

21 years, 3 months

[linux-audio-user] OT: gear for sale

by Aaron Trumm

This is off topic but I figured some people on these two lists MIGHT be interested in a couple of pieces of gear I'm selling on ebay to make space - here's the first one: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3737148789 see ya! :) - Aaron

21 years, 3 months

[linux-audio-user] Converting from / to MPEG-4 audio files

by Dylan

Hi All, I've got a bunch of files in MPEG-4 format (x.m4a) - is there any software to convert them to either mp3 or (preferably) ogg or flac files? Cheers Dylan -- "I see your Schwartz is as big as mine" -Dark Helmet

21 years, 3 months

Re: [linux-audio-user] Virtual Mixing Desk

by Kjetil Svalastog Matheussen

Stanley Jaddoe: > >Hi all, > >a few weeks ago I posted this message to the Agnula mailing list: ><http://lurker.agnula.org:80/message/20040704.234019.574495d2.html> >with a diagram <http://lurker.agnula.org:80/attach/4% >4020040704.234019.574495d2.attach> of a setup I'd like to accomplish in >Linux >(using Demudi) > >The only thing missing is a virtual mixing desk, where all outputs of all >Jackified softsynths are connected to. The mixing desk should provide (at >minimum) the same functions as the mixing desk in Cubase VST (screenshot: ><http://www.doepfer.de/controller/cubaseVST5_absctrl_tutorial/Images/VST >5 ChannelMixer1.jpg>). >Each strip should provide send/insert LADSPA effects and an EQ. >It should be possible to save all mixer settings (total recall) >preferably >via >LASH > >My question: does this kind of virtual mixing desk exists in Linux? If >not, >how do you mix your audio streams (softsynth outputs)? I am not able to reconstruct the linebroken links, and I would like to see the pictures. Do you think you could tinyurl them? (http://www.tinyurl.com) But I do have a feeling you can do this with Pure Data, the k_jack~ external, and the plugin~ external. http://pure-data.sf.net --

21 years, 3 months

[linux-audio-user] TR-909 Drum synth patches for AMS

by Stanley Jaddoe

At the moment, there's a lack of real drum synthesizers in the Linux Audio world. Drum synthesis instead of sampling is important to emulate the dynamic sound of -for example- the TR-909 hand clap, which is generated out of white noise. You can find some patches for Alsa Modular Synth here: https://sigterm.demon.nl/~stanley/drumsynth/ Most patches don't sound like the real 808/909, because they need some/much more tweaking. Feel free to improve the patches. I'm now trying to decipher the original schematics of the TR-909, my aim is to write a separate 909 softsynth (clone), because Alsa Modular Synth is too limiting (difficult/impossible to create drum maps, difficult to handle multiple instances of AMS, etc) Regards, Stanley Jaddoe

21 years, 3 months

Re: [linux-audio-user] wav (or something other) to mmf converter

by ricktaylor＠speakeasy.net

Scilab does wav to txt {in case you don't have midi files} > -----Original Message----- > From: ricktaylor(a)speakeasy.net [mailto:ricktaylor@speakeasy.net] > Sent: Saturday, July 17, 2004 08:10 AM > To: linux-audio-user(a)music.columbia.edu > Subject: Re: [linux-audio-user] wav (or something other) to mmf converter > > Andrew Gaydenko wrote: > > > > Have not found wav (or something other) to mmf converter. > > > Does anybody know something sutable? > > > http://www.convert-ringtones.com/ > > >

21 years, 3 months

Re: [linux-audio-user] wav (or something other) to mmf converter

by ricktaylor＠speakeasy.net

Andrew Gaydenko wrote: > > Have not found wav (or something other) to mmf converter. > > Does anybody know something sutable? > http://www.convert-ringtones.com/

21 years, 3 months

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