Public bug reported:
On playback I get a rough static that crackles corresponding to the
waveform intensity; on occasion the sound may start as noise and then
flip into proper sound output, but when paused the subsequent playback
will produce static and pausing that will crash the program. I have
tried Playback set to Alsa/pulse and Alsa/default, both give this
behaviour. When the selected sample is played as noise, the scrolling
cursor works, but appears to be scrolling by much faster than real-time.
also, when the playback works, the scrolling cursor behaves very
strangely: the thin line may not move at all, or a segment of it may
stay put while another part of it scrolls along with the sound.
This is a fresh upgrade to 13.10 on a 64-bit Ubuntu machine, a ZaReason
Strata laptop with nvidia sound (according to alsa).
Audacity worked fine on 13.04, occasional lock ups, but Audacity is
prone to occasional lock-ups, and the sound was fine. Audio works fine
with other audio apps including youtubes, totem, vlc and sushi. If I
highlight a segment of sound in Audacity and export to disk as mp3,
sushi will play the resulting mp3 fine. The problem seems peculiar to
Audacity playback.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: audacity 2.0.3-1
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaCards:
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xc5400000 irq 50
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xc3000000 irq 17
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
Date: Tue Oct 29 17:24:18 2013
InstallationDate: Installed on 2012-04-27 (550 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MarkForUpload: True
ProcEnviron:
LANGUAGE=en_CA:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: audacity
UpgradeStatus: Upgraded to saucy on 2013-10-22 (6 days ago)
** Affects: audacity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug saucy third-party-packages
** Summary changed:
- audacity sound is trashed, program highly unstable
+ Ubuntu 13.10 upgrade: audacity sound is trashed, program highly unstable
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https://bugs.launchpad.net/bugs/1246092
Title:
Ubuntu 13.10 upgrade: audacity sound is trashed, program highly
unstable
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