10+ year old bug. Closing.
** Changed in: ubuntustudio
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/277807
Title:
midi high latency delay
Status in Ubuntu Studio:
Won't Fix
Bug description:
In rosegarden (Jack & timidity) I have a bad delay of about 200ms when I
press a Key till it sounds through my speakers. I use a YMF-Soundcard with a
Yamaha-XG-Wavetable on it. If I use my Keyboard in LMMS the sounds appear just
in time. So I knew that it is a problem with the Midi-Out-Device.
As workaround I installed timidity++ additional to the existing one and
loaded a GM-soundfont into it. Ans surprise: It works!?! So, there is something
wrong with the standard-configuration of the midi-out-device in ubuntu-Studio
8.04.
Some other guys have the same problem too:
http://ubuntuforums.org/showthread.php?t=891678
http://www.nabble.com/MIDI-latency-in-Ubuntu-8.04-td19118784.html
I used this HowTo:
https://help.ubuntu.com/community/Midi/SoftwareSynthesisHowTo?action=show&redirect=MidiSoftwareSynthesisHowTo
My timidity.cfg:
# Instrument configuration file for timidity
# $Id: timidity.cfg,v 1.7 2005/09/03 19:26:03 hmh Exp $
# You can change just about every option in TiMidity++ using
# This config file. Please refer to the timidity.cfg(5) manpage
# for more details
## If you have a slow CPU, uncomment these:
#opt EFresamp=d #disable resampling
#opt EFvlpf=d #disable VLPF
#opt EFreverb=d #disable reverb
#opt EFchorus=d #disable chorus
#opt EFdelay=d #disable delay
#opt anti-alias=d #disable sample anti-aliasing
#opt EWPVSETOZ #disable all Midi Controls
#opt p32a #default to 32 voices with auto reduction
#opt s32kHz #default sample frequency to 32kHz
#opt fast-decay #fast decay notes
## If you have a moderate CPU, try these:
opt EFresamp=l
opt EFreverb=g,42
opt EFchorus=s
opt s32kHz
opt p64a
# Disabling some of the Midi Controls can help with the CPU usage a lot.
# The same goes to the VLPF, sample anti-aliasing and effects such as
# reverb and chorus
# By default, try to use the instrument patches from freepats:
source /etc/timidity/eawpatches.cfg
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