Linux-audio-user

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20661 discussions

by Mikhail Ramendik

Hello people, I am thinking of getting a Sound Blaster Live. But I want to be sure that there are Linux drivers supporting its Sound Font hardware synth and its S/P DIF digital output. So, are there such drivers and of so - which ones? The alsa-project.org page on SB Live says "MIDI on SB live drive not working properly". Does this mean that Sound Font sytnth will NOT work on SB Live? -- Best regards, Mikhail mailto:mr@ramendik.ru

22 years, 7 months

[linux-audio-user] Crackling sound

by Moeflon

How come I get "cracks" in my sound when using spiralloop? When recording the output, there are no cracks in the wav-file... It seems to me the cracks are produced in some way by HD-read/write-operations. Is this correct? Howto get rid of them? Thx.

22 years, 7 months

[linux-audio-user] freqtweak crashes...

by Michal Seta

hi all, I just got the newest freqtweak and it consistently crashes upon loading a preset. It does not matter whether the preset has been saved with some previous version or current. here's gdb output: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 32771 (LWP 1381)] FTspectralManip::processDelay (this=0x8151798, procpath=0x8151730, data=0x8161870) at FTspectralManip.cpp:820 820 *rdest = data[i] + (*rcurr)*feedback; IS anyone else experiencing this? I wouldn't be surprised if it was only me. ciao ./MiS

22 years, 7 months

[linux-audio-user] Gravis Ultrasound

by Piotr Głodzik

Hi, Does anyone use Gravis Ultrasound under Linux? I inserted gus.o and it is working, by only in mono and without bass and treble control. What can I do? P.S. Sorry for my English Peter

22 years, 7 months

[linux-audio-user] [ANN] galan-0.3.0-test2 released

by torbenh＠gmx.de

galan-0.3.0-test2 is released. galan is a modular synthesizer featuring subpatches, event processing logic and more. LADSPA is supported. you can build your own synthesizer interface, placing controls where you want them. I have ported the features added to the galan-0.2 branch up to the 0.3 branch. - Lib directory is in place. - liblrdf support. - feedbacksafe delay added which enables you to have plugins in the feedback path like in ams. opengl does not work. i have some troubles with the gtkglarea 1.99.0... this caused me not to implement multiple jack output ports... i have now given up on opengl and will add the multi outputs/inputs next. if you want opengl use galan-0.2... 0.2.15 will be released soon, when the sheet library is updated and reorganized. -- torben Hohn http://galan.sourceforge.net -- The graphical Audio language

22 years, 7 months

[linux-audio-user] Laptop Stereo Recording Problem

by Rajdeep Pradhan

HI sounding bees, I use my laptop(linux) to record speech with stereo microphones. The problem is on playing sound back using "cat filename >/dev/dsp", the output from left speaker is much louder than the right speaker. The sample file is recorded using "cat /dev/dsp> filename". I tried the gain settings in aumix, but the problem persisted. The mp3 songs sounds good with xine. Any suggestions? New bee, Rajdeep _________________________________________________________________ The new MSN 8: smart spam protection and 2 months FREE* http://join.msn.com/?page=features/junkmail

22 years, 7 months

[linux-audio-user] HELP: good sound card

by Joerg Anders

Hi all! I have ISA sound card AWE 64 with 24 MB RAM extention. This way I can load the sound font "8mbgmsfx.sf2". This is the one and only MIDI sound for my ears. All other techniques for instance software synthesis with TiMidity++ sounds terrible to me, as if the orchestra plays in a stock pot. Now I want to buy a new computer. Unfortunatley, most boards don't offer a ISA slot, only PCI slots. Therfore my question: Does anybody has experience with PCI cards on Linux? Perhaps somebody uses this (or an similary) sound font with some PCI sound card. (?) If so, please send me a recommendation! Note! The PCM sound is of no interest to me. It doen't matter whether it noises(or so ...). I'm only interested in good sound synthesis. Thank you in advance! -- J.Anders, Chemnitz, GERMANY (ja(a)informatik.tu-chemnitz.de)

22 years, 7 months

[linux-audio-user] Setting equalizer settings with Sox ?

by Roel de Wit

Hi, I've been playing with Sox for a while but I can't seem to find how to do a specific thing. Could somebody please tell me if what I want is possible and if so, how to do it. One of the things I want to do is to boost a range of frequencies. Basically from 20 Hertz to 320 Hertz, where 80 Hertz is considered the 'center' and the boost gets less when going to 20/320 Hertz. I have found the highp(ass)/lowp(ass) options but these don't seem to be of use for this. I'd really appreciate some help here. I need this to be done by a command-line tool available under Linux and if possible under Windows (even if I would have to compile it myself).. Grtzzzzzzz Roel...

22 years, 7 months

[linux-audio-user] Re: More Midisport 2x2 troubles (help from the Alsa developers is greatly appreciated!)

by Ivica Bukvic

Hmm, I've tried running the alsa-lib/test/ramidi test and tried using it as: rawmidi -i hw:2,0 This starts it up but I don't get any events in. Can anyone tell me why? Any other setting (i.e. hw:2,1) reports an error that such a device was not found. Interesting thing is that when I do ./rawmidi -o hw:2,0 I get the note-on/off signal on the midisport, which means that the send part of it works ok. However, when I do -i nothing comes into the cpu. Same is with the ./rawmidi -I /dev/midi2 (there are no errors, but no input either). cat /dev/midi2 works just fine. My /dev/snd/ only has 1 midi device (midiC2D0), so it does seem like it's a problem with Alsa. Running latency in the same dir freezes the machine with a loud sound going on. I am using MDK 9.1 on Inspiron 8200. Any help is greatly appreciated! Any other suggestions? Ico > -----Original Message----- > From: aezr4(a)studcom.urz.uni-halle.de [mailto:aezr4@studcom.urz.uni- > halle.de] On Behalf Of Clemens Ladisch > Sent: Thursday, April 03, 2003 9:50 AM > To: Ivica Bukvic > Cc: alsa-devel(a)lists.sourceforge.net > Subject: Re: [Alsa-devel] Re: More Midisport 2x2 troubles > > Ivica Bukvic wrote: > > However, I am a bit confused, since this feature with /dev/midi stuff > > worked like a charm just a couple weeks ago (ver. 0.9.1). So, did > > something change dramatically since? > > No. The USB MIDI driver has behaved in this way since 0.9.0rc4. > > > Can you also point me in the right direction where I can see a simple > > ALSA code to accessing the both of the MIDI raw ports? > > alsa-lib/test/rawmidi.c does some operations with both OSS and ALSA ports. > When using two ports, you'd call snd_rawmidi_open() twice and then have > two handles, similar to two file handles. > alsa-lib/test/control.c enumerates rawmidi devices. > > BTW: Are you soure you want to use rawmidi ports? Many software > synthesizers create sequencer ports only. > > > P.S. One thing I just realized is that there is something rather unclear > > to me in the explanation generously provided by Clemens: > > > > > /dev/midi0 -> card 0, device 0, subdevice 0 > > > /dev/amidi0 -> card 0, device 1, subdevice 0 > > > /dev/midi1 -> card 1, device 0, subdevice 0 > > > /dev/amidi1 -> card 1, device 1, subdevice 0 > > > /dev/midi2 -> card 2, device 0, subdevice 0 > > > /dev/amidi2 -> card 2, device 1, subdevice 0 > > > > since none of the amidi devices does not work on my setup (see my last > > e-mail for more info) and it seems as if it should. > > Your two ports are subdevices 0 and 1 of card 1, device 0. > /dev/amidi1 points to device 1 which doesn't exist. > > > Furthermore, what happens when the midi interface has more than 2 I/O > > ports? > > If the ports are subdevices of one device, only the first can be accessed > with the OSS /dev/midiX file. > If each port is a seperate device, the first two ports can be accessed > with /dev/midiX and /dev/amidiX. > > Drivers for multiport interfaces usually use the first alternative (one > device with subdevices) because there is a limit of 8 rawmidi devices per > card. > > > HTH > Clemens >

22 years, 7 months

[linux-audio-user] How to get Jack to fork as daemon

by Nick

Hi, What command do I need to use on MDK 9.1 to get Jack to fork into the background as a daemon? I'd like to make a RC script and have it start, but I don't know how to hack those scripts or what the command is to make a program go into the background as a process. Thanks -- Nick <nicktsocanos(a)charter.net>

22 years, 7 months

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Linux-audio-user