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Thanks, Paul. RESOLVED-FIXED but see my comment at the end about CPU use in case it is important. Yes with 3000 labels on Win 7 64-bit (2.4 GHz) I see the difference between 2.1.2 release and HEAD when Karaoke is open. Tested on Ubuntu 14.04 32-bit (Atom 1 GHz processor) with 1500 labels. In 2.1.2 release it took 15 minutes to get the Karaoke window open, then 5 minutes to produce a single character in a label. In HEAD, Karaoke window pops up almost at once and it takes a couple of seconds to type a character in a label. Effects are responsive. On that machine in HEAD, CPU use when typing a character in a label is 75% without Karaoke open and 100% when Karaoke is open, but only a short burst at 100% compared to 5 minutes at 100% is 2.1.2. The comparable CPU usage on the Win 7 machine looks like 25% and 35% respectively (about 8% when Audacity is idle). The usage seems quite expensive (to me) considering typing a label currently doesn't write to the .autosave file. -- You received this bug notification because you are a member of Ubuntu Studio Bugs, which is subscribed to audacity in Ubuntu. Matching subscriptions: Ubuntu Studio Bugs https://bugs.launchpad.net/bugs/529337 Title: Hangs for a long time when editing labels on large files Status in Audacity: Fix Released 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 To manage notifications about this bug go to: https://bugs.launchpad.net/audacity/+bug/529337/+subscriptions
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