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Message #03623
[Bug 529337]
Generate a click track, 300 beats per minute, duration 10 minutes.
Use Sound Finder, with second, third, and fourth sliders pushed all the
way left.
Now you have 3000 labels.
Click in one and type characters. Updates are immediate.
Open Karaoke and try it again. On my computer, now I see noticeable
delays after each keystroke.
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https://bugs.launchpad.net/bugs/529337
Title:
Hangs for a long time when editing labels on large files
Status in Audacity:
Unknown
Status in audacity package in Ubuntu:
Triaged
Bug description:
Binary package hint: audacity
How to trigger this bug:
1) Create a fairly long audio file (in this case 45 minutes)
2) Create a label track with a bunch of long labels in it (i.e. transcriptions)
3) Try to edit the text in one of the labels, preferably the first one
Audacity will freeze for quite a long time.
Actually label editing has a bunch of problems but this one is
particularly bad... It turns out that the code that's responsible is
the "experimental lyrics window", which can be shown when you choose
"Karaoke..." from the View menu.
You can easily disable this "feature" by commending out the
EXPERIMENTAL_LYRICS_WINDOW line in src/Experimental.h, which makes it
possible to edit label texts. But I'm sure some people out there
actually use it...
ProblemType: Bug
Architecture: amd64
Date: Sun Feb 28 00:57:02 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: audacity 1.3.9-6
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
SourcePackage: audacity
Uname: Linux 2.6.32-12-generic x86_64
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