midi high latency delay

Bug #277807 reported by Braincrawler
12
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Ubuntu Studio
Won't Fix
Undecided
Unassigned

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

description: updated
Revision history for this message
Erich Eickmeyer (eeickmeyer) wrote :

10+ year old bug. Closing.

Changed in ubuntustudio:
status: New → Won't Fix
To post a comment you must log in.
This report contains Public information  
Everyone can see this information.

Other bug subscribers

Remote bug watches

Bug watches keep track of this bug in other bug trackers.