Linux-audio-user April 2004

linux-audio-user@lists.linuxaudio.org

141 participants
177 discussions

by holborn

Hi I released sfc-0.016 (SoundFontCombi) a MIDI router who emulates a synthesizer, storing routes as sounds using MIDI soundfonts or other MIDI capable devices. News on v0.016 ----------------------- MIDI channel for own programs Route MIDI Program Change Refresh MIDI data when activate section. MIDI Change Bank improved. Fixed bugs in command line, MIDI BankLSB message, control messages and auto-connect ALSA sequencer port. Reduced the amount of memory needed. sfc is available in: http://personal.telefonica.terra.es/web/soudfontcombi/sfc-0.016.tar.gz http://www.telefonica.net/web/soudfontcombi/sfc-0.016.tar.gz

21 years

[linux-audio-user] What does underrun mean with aplay ?

by Robert Rozman

Hi, I have some problems with 6 channel sis 7012 device - I'm using it as 3 stereo channels. I trigger 3 different instances of aplay at once and I get underrun messages from aplay. What does this mean ? How to solve this (bigger buffer? ) ? It sounds like it is interleaved in short chunks (all channels are heard on all channels) - so it's not really bearable. Regards, Robert.

21 years

Re: [linux-audio-user] restricting MIDI channels

by holborn

Hi! > So, can it be done ? I tried using holborn's SoundFontCombi but > couldn't get it to keep the settings I made. Every time I started > playing a sequence it would flip back to its original state. Sigh... probably that's because sfc recognizes MIDI program change for their own programs and obviously changes .. good point ... i will put some enable/disable button for that .. :-) Thank you .. Josep

21 years

[linux-audio-user] Lionstracs / Linux Audio at Musikmesse report

by Benno Senoner

Hi, just back from Musikmesse in Frankfurt. FYI: Videos of Mediastation X-76 and Lionstracs - Thomas Organ Musicstation VKX-76 (basically the mediastation with 2 manuals, pedals, speakers in a wooden case) on the right side of the page, scroll down to VIDEO OF MUSIKMESSE, you will find 4 videos (under Linux you can play them with xine or mplayer if you have the win32 codecs installed) http://www.lionstracs.com/index.php?module=Static_Docs&func=view&f=/demos.h… read these two links too: http://www.synthzone.com/ubbs/Forum37/HTML/008798.html http://www.synthzone.com/ubbs/Forum37/HTML/008794.html (in the organ videos Bernd Wurzenrainer plays the NI B4 under VST server with a jazz base (.wav) :-) ) Some LADers that were at Musikmesse: Marek Peteraj, Frank Neumann, Matthias Nagoni, Fons A. (aeolus). Companies using Linux in musical gear besides Lionstracs: Plugzilla (a rack that can play VSTs), Muse Receptor (similar concept), Hartman Neuron (a synth). Unfortunately the others are based on pretty closed design and most don't even tell you that's based on Linux. Perhaps their attitude will change in future. As always thanks to everyone that contributes to Linux and Linux audio, without these people these musical instruments would not be a reality today. cheers, Benno

21 years

[linux-audio-user] restricting MIDI channels

by Dave Phillips

Greetings: Is there some way to tell Qsynth that I want it to receive only on certain channels and ignore the others ? I could really use that feature... Best, dp

21 years

[linux-audio-user] Linux Sound Software, francophone mailing list

by Ismael Valladolid Torres

The [1]Linux Audio Development web site talks about this mailing list, unfortunately [2]the linked homepage seem to be under construction. As I am learning both the french language, and Linux audio development, being subscribed to that mailing list, if exists, would be very useful for me. Any feedback is welcome, thanks in advance. Cordially, Ismael 1. http://www.linuxdj.com/audio/lad/resourceslists.php3 2. http://membres.lycos.fr/linuxsound/

21 years

[linux-audio-user] Trouble running Jack with Emagic Emi 6|2m

by Jorma R

Hi, I am having a bit of trouble running Jack with the Emagic Emi 6|2m USB audio box. The device works well with 2 inputs and 2 outputs at 96/24 or less. It also works well with all 6 inputs and 2 outputs at 44.1/16. Starting Jack makes the Emi correctly set the sample rate and the bit depth. The problem is that when 6 channels are recorded with 24-bit depth the Emi is able to provide 2 16-bit output channels at 44.1 KHz or no output at 48 KHz. Running jack with no -C or -P options tries to record 6 channels and play back 2 channels at 24-bith which is impossible by the hardware. As a result I get a lot of noise and mix-ups in the audio when trying to record or play back something. So - I would need to be able to tell jack to open the capture ports at 24-bit and playback at 16-bit. Any ideas on how to do this? Could I possibly create aliases for the capture and playback with the desired options in my .aousndrc and use them with the Jack -C and -P switches? If yes - how? I heard that ecasound does use the card correctly so there should not be anything wrong with the driver. Below is what /proc/asound/card1/stream0 says. Thanks, -Jorma Emagic GmbH Emagic EMI 6|2 m at usb-00:03.1-3.1 : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 10 OUT (ASYNC) Rates: 44100, 48000, 96000 Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 10 OUT (ASYNC) Rates: 44100, 48000, 96000 Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 6 Endpoint: 12 IN (ASYNC) Rates: 44100, 48000 Interface 2 Altset 2 Format: S24_3LE Channels: 6 Endpoint: 12 IN (ASYNC) Rates: 44100, 48000 Interface 2 Altset 3 Format: S16_LE Channels: 2 Endpoint: 12 IN (ASYNC) Rates: 44100, 48000, 96000 Interface 2 Altset 4 Format: S24_3LE Channels: 2 Endpoint: 12 IN (ASYNC) Rates: 44100, 48000, 96000 __ Sano ei kuukausimaksuille. Hanki Suomen ainoa aidosti kuukausimaksuton GSM-liittymä osoitteesta http://www.saunalahti.fi

21 years

[linux-audio-user] volume plugin

by Oliver Gerlich

Hello, my onboard sound chip (CMedia 9739, on Epox 8RDA3+, with nforce2 chipset) doesn't support volume changing in hardware (CMedia's cmaudio driver for OSS does all the volume calculation in software). That means that I'm unable to change the volume with alsamixer or similar programs. Now my question: is it possible to tell Alsa to change the volume in software? Is there a plugin that does this? I've already tried the "Route & Volume" plugin, but it doesn't do anything. XMMS plays sound still at full volume, and mplayer says "alsa-control: error setting left channel, Invalid argument" when changing volume. My asound.conf entry for it looks like this: pcm.nforcevol { type route slave { pcm "hw:0,0" channels 2 } ttable.0.0 1; ttable.1.1 1; } Does anyone has an idea how to get volume control? Btw. I'm using the snd-intel8x0 driver for this chip. Thanks in advance, Oliver Gerlich

21 years

RE: [linux-audio-user] Cheap PCI MIDI interface

by Matthew Allen

Maybe it has something to do with my switch to linux being pretty recent(last 6 months)? I have used the Midisports under Windows for a while now, always keeping up to date with the latest drivers/firmware on the windows side. m. > -----Original Message----- > From: linux-audio-user-bounces(a)music.columbia.edu [mailto:linux-audio- > user-bounces(a)music.columbia.edu] On Behalf Of Fernando Pablo Lopez-Lezcano > Sent: Monday, April 05, 2004 11:48 AM > > > Ahh! The planet comes through again. > > > > Sorry about the wrong info then! I was wondering why I never had any > > problems with my midisport. :) > > Hmmm, not really, I do have some (old) open source firmware and a newer > hotplug package for better usb support, but I don't think that does > anything for the 8x8. > > -- Fernando _________________________________________________ Scanned on 05 Apr 2004 19:30:42 Scanning by http://erado.com

21 years

RE: [linux-audio-user] Cheap PCI MIDI interface

by Matthew Allen

Ahh! The planet comes through again. Sorry about the wrong info then! I was wondering why I never had any problems with my midisport. :) m. > -----Original Message----- > From: linux-audio-user-bounces(a)music.columbia.edu [mailto:linux-audio- > user-bounces(a)music.columbia.edu] On Behalf Of Clemens Ladisch > The firmware files certainly are needed for the MidiSport devices ... > > > Fedora core, running the planet ccrma kernel. > > ... but I guess Planet CCRMA already comes with the loader and > firmware files. _________________________________________________ Scanned on 05 Apr 2004 16:31:28 Scanning by http://erado.com

21 years

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Linux-audio-user April 2004