Audacity Bug Summary
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    Audacity 3.0.3 development began 19th April 2021

Audacity Bugzilla



Bug 2439 - Mix and Render to New Track selects left channel of new stereo track
Mix and Render to New Track selects left channel of new stereo track
Status: RESOLVED FIXED
Product: Audacity
Classification: Unclassified
Component: Application Core
2.4.1
Per OS All
: P2 RepeatableAll
Assigned To: Default Assignee for New Bugs
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2020-05-22 12:33 UTC by Bill Wharrie
Modified: 2020-05-30 12:34 UTC (History)
8 users (show)

See Also:
Steps To Reproduce:
Open Audacity 241 Import a stereo track Select the track Do Tracks > Mix > Mix and Render to New Track Observe: original track remains selected, plus left channel of new track is selected; pressing the delete key deletes contents of original track and deletes left channel contents of new track. Try this in 240: same result. Try this in 233: original track remains selected, new track is not selected.
Release Note:
Mix and Render to New Track selects left channel of new stereo track
First Git SHA:
Group: ---
Workaround:
None
Closed: 2020-05-30 00:00:00
james.k.crook: Must‑Test‑All‑OS-
petersampsonaudacity: Quickfix‑Requested+
billwh: Regression+
petersampsonaudacity: Test‑OK‑Win+
flyer185: Test‑OK‑Mac+


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Description Bill Wharrie 2020-05-22 12:33:57 UTC
See steps to reproduce.
Comment 1 Peter Sampson 2020-05-22 12:40:09 UTC
This is a regression on 2.3.3
Comment 2 Peter Sampson 2020-05-23 05:22:07 UTC
This also afflicts Mix and Render

1) get a stereo track
2) select the track
3) Tracks > Mix > Mix and Render
4) Observe: only the left channel remains selected

And it is a genuine selection and not just a cosmetic one - apply an effect, Amplify say, and observe it is only applied to the left channel.
Comment 3 Steve Daulton 2020-05-25 20:37:38 UTC
Another variation reported on the forum: https://forum.audacityteam.org/viewtopic.php?p=395903#p395903
Comment 4 David Bailes 2020-05-29 04:18:33 UTC
For users of screen readers, there is no indication that only one channel is selected - the track is read as being selected. This could lead to the user losing data.
Comment 5 Peter Sampson 2020-05-29 05:06:26 UTC
(In reply to David Bailes from comment #4)
>This could lead to the user losing data.

Upgraded to P2 on the basis of David's comment.


Added Quick-Requested flag as we really should be fixing this in the 2.4.2 maintenance release - it just look wrong and plain silly.
Comment 7 Cliff Scott 2020-05-29 22:14:09 UTC
Not fixed in commit #3646bb, MacOS Mojave.

Mix and render leaves both left and right channels in the original and the new track selected. Delete deletes both tracks completely. The new track is in focus as well.
Comment 8 Peter Sampson 2020-05-30 06:18:47 UTC
Testing on W10 with Audacity 2.4.0 3646bb8

I agree with Bill - that we still have a regression here

In 2.3.x and 2.2.x - the selection remains as before the Mix & Render to New Track
with the new track mot added to the selection - but focus is transferred to the new track

In 2.1.x after the Mix & Render to New Track - all selections are removed - focus is placed on the new track

2.0.x has no facility for Mix & Render to New Track
Comment 9 James Crook 2020-05-30 06:58:14 UTC
DEVEL - FIX MADE
https://github.com/audacity/audacity/commit/0417b2bf4146fa4d6a6cec60dd81ff0e460787e2

apologies for the incorrect bug bug number in the commit.
Comment 10 Cliff Scott 2020-05-30 07:42:37 UTC
MacOS Mojave, commit: 0417b2, now when the initial track is the first track results in being selected and the new track is in focus and not selected. Looks good.

An oddity, not necessarily a problem, I noticed is that if the Audacity Preferences are set to "select all if required" then if the initial track is an Audacity Project the result is that the initial track is fully selected and the new track not selected. This I expected, but if the initial track is an imported mp3, or probably any imported file type, that if the initial track is not selected before the Mix and Render to a New Track then neither are selected after the operation. It seems odd to me that there would be a difference like this.
Comment 11 Peter Sampson 2020-05-30 12:34:20 UTC
Testing on W10 with Audacity 2.4.2 56e7892

That's better,

Tested with four mono tracks

1) selected tracks 1 & 3
2) Mix & Render to New Track
3) Observe
a) tracks 1 and 3 remain selected
b) new track is not selected
c) new track is focused
d) new track is inserted after track 3 and above track 4