20 Jun
2008
20 Jun
'08
8:54 p.m.
I'm very new to Linux audio recording, so I apologize in advance if I'm
missing something obvious.
I have a brand new computer with an M-Audio Delta 44 audio card running the
latest version of Ubuntu Studio 8.04. I've been experimenting with software
synthesizers using a USB MIDI keyboard, and I've managed to get QSynth
working very well and have had some success recording that. I thought I'd
try ZynAddSubFX since it sounds amazing. The problem I'm having is that the
sound crackles (that's the best word I can think of to describe it) when I
play it. The very odd thing I've discovered though is that if I record
ZynAddSubFX in Ardour, I don't hear any crackling during playback of the
recording. It's only as I'm listening to ZynAdd in real-time as I play it.
I've tried using different speakers and headphones, but it makes no
difference.
I suppose I could just record it and try to ignore the crackling as I play,
but it would obviously be ideal to have no crackling at all.
I've tried tweaking both the ZynAdd settings and JACK settings (although my
guess is that JACK settings are fine, since I haven't had any issues with
recording live instruments or recording QSynth) but to no avail. I have the
sample rate in ZynAdd matching the one in JACK (48000Hz) and have tried
different buffer sizes in ZynAdd but haven't noticed a difference. I've also
noticed that it usually doesn't crackle when I'm using the default
instrument in ZynAdd, only once I switch to a different one -- then it seems
pretty continuous no matter which instrument I switch to after that.
Does anyone have any ideas as to what could be causing this?
21 Jun
21 Jun
4:37 a.m.
Peter Lutz wrote:
I
thought I'd try ZynAddSubFX since it sounds amazing.
It is an amazing synth indeed.
The problem I'm
having is that the sound crackles (that's the best word I can think of
to describe it) when I play it.
ZynAddSubFx has some fundamental problems with realtime. The original
author has given up on this, but Lats Luthman is working on a fix. In
the mean time you'll have to patch it yourself, patches available here:
http://sourceforge.net/tracker/?atid=502314&group_id=62934&func=bro…
It might be easier to just get 2.2.1 and apply this patch
(that's the patches I use, wrapped up in one file, since I always forget
which ones to apply):
http://atte.dk/download/attes_patches.diff
--
peace, love & harmony
Atte
http://atte.dk | http://myspace.com/attejensen
http://anagrammer.dk | http://modlys.dk
12:33 p.m.
Atte André Jensen wrote:
Peter Lutz wrote:
Amen. It is fantastic.
I thought I'd try ZynAddSubFX since it sounds
amazing.
It is an amazing synth indeed.
ZynAddSubFx has some fundamental problems with
realtime. The original
author has given up on this, but Lats Luthman is working on a fix. In
the mean time you'll have to patch it yourself, patches available here:
http://sourceforge.net/tracker/?atid=502314&group_id=62934&func=bro…
It might be easier to just get 2.2.1 and apply this patch
(that's the patches I use, wrapped up in one file, since I always forget
which ones to apply):
http://atte.dk/download/attes_patches.diff
Thanks for the diff, Atte. Does anyone know which, if any, distros have
patched ZynAddSubFX with these patches ? I'll rebuild it if I have to,
but it would be nicer if the distro maintainers agreed to use the
patched version.
Best,
dp
17 Jul
17 Jul
4:10 a.m.
I know I'm a little late... but...
I recompiled zynaddsubfx (cvs patched) and it now works fine with freebob...
Yes!
Peter Lutz wrote:
I'm very new to Linux audio recording, so I
apologize in advance if
I'm missing something obvious.
I have a brand new computer with an M-Audio Delta 44 audio card
running the latest version of Ubuntu Studio 8.04. I've been
experimenting with software synthesizers using a USB MIDI keyboard,
and I've managed to get QSynth working very well and have had some
success recording that. I thought I'd try ZynAddSubFX since it sounds
amazing. The problem I'm having is that the sound crackles (that's the
best word I can think of to describe it) when I play it. The very odd
thing I've discovered though is that if I record ZynAddSubFX in
Ardour, I don't hear any crackling during playback of the recording.
It's only as I'm listening to ZynAdd in real-time as I play it. I've
tried using different speakers and headphones, but it makes no difference.
I suppose I could just record it and try to ignore the crackling as I
play, but it would obviously be ideal to have no crackling at all.
I've tried tweaking both the ZynAdd settings and JACK settings
(although my guess is that JACK settings are fine, since I haven't had
any issues with recording live instruments or recording QSynth) but to
no avail. I have the sample rate in ZynAdd matching the one in JACK
(48000Hz) and have tried different buffer sizes in ZynAdd but haven't
noticed a difference. I've also noticed that it usually doesn't
crackle when I'm using the default instrument in ZynAdd, only once I
switch to a different one -- then it seems pretty continuous no matter
which instrument I switch to after that.
Does anyone have any ideas as to what could be causing this?
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3 comments
4 participants
participants (4)
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Atte André Jensen -
Dave Phillips -
Patrice Brousseau -
Peter Lutz