Linux-audio-dev

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2 participants
7501 discussions

Re: [linux-audio-dev] patches for kernel 2.4.21 ?

by cliffw＠easystreet.com

> Maarten De Boer wrote: > >>and that seems strange? ;-) > > [snip] > > > > anyway, i talked to andrew morton, and he suggests that it is better > > to go for 2.5.x ... > > i have been running 2.5 since patchlevel 68, and it has been working > great for me. i have made no comparative measurements with 2.4+lowlat, > but it "feels" good and is very stable - even most of linus' bitkeeper > snapshots have been ok. > disclaimer: mine is a scsi-only system... > > i'd encourage people to try 2.5 to iron out audio-specific problems > before we go into 2.6-test and the developers get nervous... > I'd second that. I've been running 2.5 on two boxes for awhile. One is a VIA C3 (via82xx) the other is a PIII. (ice1712) Both IDE, both working fine on 2.5.x (Haven't finished sorting out the PIII audio yet, however - total Lack of Free Time) The 2.5 kernel is moving into the 'must-fix' stage, so now is the time to start running it....and send in those bug reports.. (http://bugme.osdl.org is a good place to cc: 2.5 reports,btw ) cliffw > jörn > > > -- > All Members shall refrain in their international relations from > the threat or use of force against the territorial integrity or > political independence of any state, or in any other manner > inconsistent with the Purposes of the United Nations. > -- Charter of the United Nations, Article 2.4 > > > Jörn Nettingsmeier > Kurfürstenstr 49, 45138 Essen, Germany > http://spunk.dnsalias.org (my server) > http://www.linuxdj.com/audio/lad/ (Linux Audio Developers) > > > > >

21 years, 12 months

[linux-audio-dev] horgand v1.0

by holborn

Hi! New Release : horgand 1.0 News in v1.0 (19/06/2003) ------------- -Added small auto-accompaniment, Looped Drums and a Bass line in a wave table way. -added chord recognition -some free drum loops and bass samples. -bugs solved in DSP effects, now more stereo, minus noises :-) First i want to say something, personally i dont like any kind of auto-accompaniment, sequences, organs, because many people use it for work, and this is not good for the musiciens. In fact i wonder the day when the musiciens dont want to record anything, anymore. Only write the papers, and play live, that's music. Please read the Readme file for how to add new loops and other questions. REQUERIMENTS: * FAST COMPUTER * LINUX * ALSA * JACK * FLTK 1.1 Web Page : http://personal.telefonica.terra.es/web/soudfontcombi/ Josep

21 years, 12 months

[linux-audio-dev] Subharmonic synthesizer, is there one?

by Kimmo Sundqvist

Hello I'd like to know if there is a subharmonic synthesizer for linux. That is a plugin which adds low frequency content to sound not by boosting, but by synthesizing frequency components that are below what the signal otherwise contains. I'm thinking about something like Delaydots Phat Pro. If there is no such thing, is anyone thinking about developing one? -Kimmo S.

21 years, 12 months

[linux-audio-dev] Re: Tune for read (reiserfs)

by Andrew Burgess

>I have two linux computers with ext3 and reiserfs file systems >cat /proc/sys/vm/bdflush >echo "100 200 64 512 31 2000 50 1884 2" > /proc/sys/vm/bdflush >breaks again sounds little bit shorter >does somebody knows best paremeters >for comands >elvtune -r -w >echo "p1...pn" > /proc/sys/vm/bdflush This does it for me: echo 10 0 0 0 50 300 60 0 0 > /proc/sys/vm/bdflush for x in a b c d e f g h; do elvtune /dev/sd$x -r 512 -w 1024 elvtune /dev/hd$x -r 512 -w 1024 done I also renice the sound programs to -19 I don't use any special kernels yet.

21 years, 12 months

[linux-audio-dev] patches for kernel 2.4.21 ?

by Maarten de Boer

hello, it seems that the preemptible and the low latency patches are not yet available for the latest kernel, 2.4.21 has anybody succesfully applied older patches? any idea if the new patches are being worked on? maarten

21 years, 12 months

Re: [linux-audio-dev] patches for kernel 2.4.21 ?

by Karsten Wiese

look here: http://members.optusnet.com.au/ckolivas/kernel/

21 years, 12 months

[linux-audio-dev] Linux && dsp additions

by happyguy

So based on the feedback from the LAD community I'm guessing a Pulsar driver isn't forthcoming from Creamware. Too bad, nice hardware with a fairly well developed platform. Is there anyone with contacts inside Creamware that might be able to put me in touch with the right person to get something like this moving. Their support group went as far as to pretend they've never heard of Linux upon contacting them... but my guess is that not everyone may be singing the same tune. I'd like to see if A) creamware will release some specs for an ambitious individual such as myself to write a linux/alsa driver or B) creamware will sell their specs for OSS/GPL development (and hopefully there is enough interest out there to promptly donate some paypal funds to afford such a measure :) ) Is this avenue worth pursuing further, or should I look beyond a $1700 PwPulsar and find another DSP/DAW dev platform? Anyone have any leads? I ran into TCelectronics Powercore Firewire which seems decently assembled, but I do not know of any Linux efforts being made on this... obviously it is not supported directly. Of course everyone knows RME Hammerfall, but alas no DSP power :(. Still, I would like to give a little return investment to all those DSP apps the community has already written for Creamware's SCOPE platform... For those familiar with SCOPE, know of any other integrated platforms like this that have a good backing of community support? Can we live without a good DSP & 24x96? Not me. -s

21 years, 12 months

[linux-audio-dev] FREE Great Opportunity!

by Jonathan Paul Calledo

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21 years, 12 months

[linux-audio-dev] 8bit sound wav playing to a 16bit sound card...

by Derrick

I'm new to OSS Programming, and I'm attempting to play some 8bit wav files. However OSS is telling me that my sound card will not play 8bit , only 16bit. If I force it. The sound changes pitch, and is very fast. ( obviously ). Is there anyway to convert 8bit to 16bit on the fly? I've noticed that XMMS also fails to play the 8bit wav file correctly. I've even tryed to convert the file from 8bit to 16bit using SOX. But with the same results. I would like to support 8bit file wavs in my program as MOST of the wavs available are in 8bit format... Any one Have some pointers? PS: The command I used with sox is " sox -V -r 11025 -w -c 1 backup.wav temp.wav " -- >From the moment I picked your book up until I put it down I was convulsed with laughter. Some day I intend reading it. -- Groucho Marx, from "The Book of Insults"

21 years, 12 months

[linux-audio-dev] Q-Audio 1.0, Q-Midi 1.10 released

by Dr.Graef＠t-online.de

Q-Audio is a digital audio library for the Q programming language, which interfaces to Phil Burk's PortAudio and Erik de Castro Lopo's libsndfile libraries. Q-Midi is a MIDI interface for Q, built on top of Grame's MidiShare. Q is an interpreted functional programming language based on symbolic expression rewriting, providing a high-level interactive programming environment for scientific, computer music and other advanced applications. All software is distributed under the GPL. Sources, binaries and further information can be found on the Q homepage: http://www.musikwissenschaft.uni-mainz.de/~ag/q/ Enjoy! Albert Graef -- Dr. Albert Gr"af Email: Dr.Graef(a)t-online.de, ag(a)muwiinfa.geschichte.uni-mainz.de WWW: http://www.musikwissenschaft.uni-mainz.de/~ag

21 years, 12 months

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Linux-audio-dev