Linux-audio-user October 2009

linux-audio-user@lists.linuxaudio.org

141 participants
173 discussions

by Jonathan E. Brickman

I happened to notice one web site which said to delete /etc/asound.state when changing configurations. I don't have an /etc/asound.state, but I do have a /var/lib/alsa/asound.state. Should I delete it? It appears to be ASCII with very long lines, human-readable but machine-intended I think. J.E.B.

15 years, 10 months

Audio and Midi Synchronization

by Oliver Jaun

Hi I'm trying to switch from Mac to Linux. I'm using UbuntuStudio. I'm happy with Ardour for audio recording and Hydrogen for Drums. I managed to synchronize Ardour and Hydrogen without any problems. Now I have a drum beat with Hydrogen and a Bass recorded with Ardour and I would like to record a MIDI Track with Qtractor along with the drums and the bass. When I do that then MIDI is recorded, but when I play a note on beat 1 then and I look at it in the piano roll editor then this note is actually on beat 1.5 (more or less). When I listen to it then it seems to be in sync but of course this makes editing in Qtractor useless because everything is displayed delayed. The same happens with rosegraden so it doesn't seem to be a Qtractor bug. I'm using a MidiSport 2x2 Midi-Interface but I don't think the delay comes from there because when connect my keyboard directly with e.g. LinuxSampler then I can play very nicely (short latency) I hope someone can help. Thanks Oliver

15 years, 10 months

Ubuntu and Linux & Open Source mentioned on BBC - this is getting big

by Viktor Mastoridis

http://news.bbc.co.uk/1/hi/technology/8326264.stm http://www.bbc.co.uk/blogs/technology/2009/10/24_hours_with_ubuntu.html I thought I share this with you guys. It was on the BBC main page today. Started as announcing Ubuntu's new release (9.10) on BBC, but goes on about Open Source in general, pros and contras. The second article has some quite enlightening responses from a wide array of computer readers - really interesting stuff to read. -- Viktor Mastoridis Music-o-Graph & Educator www.MediTera.Co.Uk

15 years, 10 months

Introducing 'synthclone'

by Devin Anderson

synthclone is a GTK-based application that works with the JACK Audio Connection Kit to "clone" your MIDI-capable instruments. It does this by sending out MIDI data that instructs an instrument to emit sounds for a series of notes and velocities. It then saves this data in a format that can be understood by sampler software. Project Page: http://synthclone.googlecode.com/ Downloads: http://code.google.com/p/synthclone/downloads/list User Group: http://groups.google.com/group/synthclone-users Development Group: http://groups.google.com/group/synthclone-development -- Devin Anderson devin (at) charityfinders (dot) com synthclone - http://synthclone.googlecode.com/

15 years, 10 months

a strange little song..

by James Stone

Hi everyone, I just recorded this song last night on qtractor.. guitar thru vamp2 bass direct in, vocals thu Sampson C01 and Behringer minimic800. Drums.. soundfont.. and spent 2 mins on them !!:) http://drop.io/jjoskmy I think the song is way too high for my vocal range, and the mix seems very suspect, but I'm not too sure about how to resolve it.. This is actually a song I wrote for my band (with a female singer), which never seems to work very well, and I wanted to record it myself to see where we are going wrong - I think I recorded it way too fast which isn't a good start - should be more like 100bpm.. beyond that, it also needs to be really tight to sound even slightly OK. I'm really considering dropping it - but suggestions about how to improve the overall sound/composition would also be appreciated! James

15 years, 10 months

Ardour2 doesn't play mic-in audio?

by Andrew C

Hey all, I'm trying to record my keyboard playing through mic in and recording in ardour2. The capture_ins are routed to a track on ardour 2, while I can see the waveform being recorded, when I go to play it back, I can't hear it! Anyone have any ideas? Thanks, Andrew Coughlan

15 years, 10 months

Need ALSA things to try

by Jonathan E. Brickman

OK. Somehow, I don't know how, this Debian will do Jack sound through ALSA very nicely indeed, but will not do anything else no matter whether Jack is turned on or off. Jack is sending audio to hw:HD2, and here is my current /etc/asound.conf, which used to work great, although non-Jack apps could not coexist with Jack: pcm.!default { type hw card HD2 } ctl.!default { type hw card HD2 } Any suggestions on what to try next? I have already deleted my asound.state, without change in results. J.E.B.

15 years, 10 months

How do I get synth plugins to show up in rosegarden?

by Daniel Grace

I have emerged (I'm running gentoo) zynaddsubfx, qsynth, fluidsynth and hexter, but there is nothing listed in rosegarden under studio -> manage synth plugins. How do I get synth plugins to show up in rosegarden? Thanks.

15 years, 10 months

How to package applications for the outside world

by peter clarke

I have built a little audio-related application - it's a vocabulary trainer for people learning a foreign language. I am thinking about making it publicly available, maybe through sourceforge or similar... but I don't know how to go about packaging it into an rpm or Debian package for the end user. It's a python script with various data files and dependencies such as ecasound. Any tips on learning how to build packages? Thanks for any advice you can give. Peter Clarke

15 years, 10 months

no sound from laptop speakers

by Antanas Budriūnas

Hallo, I have rather strange problem. There is HP 6735b laptop with integrated audio - Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) but IMHO sound chip isn't relevant at all. OS: Ubuntustudio 9.04 I can hear sound playback through headphones' output but no sound from built-in speakers (with headphones disconnected). Alsamixer shows all playback levels high and unmuted. Win Vista (dual boot) playbacks audio through laptops speaker easely. Any hints are very appreciated Antanas Budriūnas

15 years, 10 months

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Linux-audio-user October 2009