Bug 2498 – Loudness Normalization always displays LUFS on launch

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Audacity 3.0.3 development began 19th April 2021

Audacity Bugzilla

Bug 2498 - Loudness Normalization always displays LUFS on launch


Summary:	Loudness Normalization always displays LUFS on launch

Status:	RESOLVED FIXED

Product:	Audacity
Classification:	Unclassified
Component:	Built-in FX
Version:	2.4.2
Hardware:	All All

Importance:	P3 RepeatableAll
Assigned To:	Default Assignee for New Bugs

URL:
Keywords:

Depends on:
Blocks:
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Reported:	2020-06-30 11:40 UTC by Steve Daulton
Modified:	2020-07-09 12:58 UTC (History)
CC List:	8 users (show)

See Also:
Steps To Reproduce:	1. Launch Audacity 2. Add an audio track and select it 3. Launch "Loudness Normalization 4. Select "RMS" (observe that the units change to "dB") 5. Apply the effect 6. Launch "Loudness Normalization" again 7. Observe that "RMS" is still (correctly) selected, but the units show "LUFS"
Release Note:	Loudness Normalization: The units may incorrectly display as "dB" when they should be "LUFS".
First Git SHA:
Group:	---
Workaround:
Closed:	2020-07-09 00:00:00

Flags:	drbailes: Must‑Test‑All‑OS- stevethefiddle: Regression+ petersampsonaudacity: Test‑OK‑Win+ petersampsonaudacity: Test‑OK‑Mac+

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Description Steve Daulton 2020-06-30 11:40:41 UTC

On launching "Loudness Normalization", the units always display as "LUFS", even when the last used setting was RMS (dB).

Reported on macOS and repeatable on Linux, so assumed "all".

This is a regression against Audacity 2.4.2.

Comment 1 David Bailes 2020-07-09 10:58:35 UTC

Fixed in:
https://github.com/audacity/audacity/commit/5b4c9b3425a16b9df5d342ac28b4e441b0ff4d40

Note that this was a regression against 2.4.1, not 2.4.2.

Comment 2 Peter Sampson 2020-07-09 11:27:57 UTC

(In reply to David Bailes from comment #1)
Testing on W10 with Audacity 3.0.0 5b4c9b3

This now works properly

Comment 3 Peter Sampson 2020-07-09 11:32:04 UTC

Testing on macOS 10.15.5 Catalina with Audacity 3.0.0 5b4c9b3

This now works properly on Mac as well

Comment 4 Steve Daulton 2020-07-09 11:34:58 UTC

(In reply to David Bailes from comment #1)
Out of curiosity, what caused the breakage? Was it the conversion to "simplebook"?

Comment 5 David Bailes 2020-07-09 12:58:38 UTC

(In reply to Steve Daulton from comment #4)
> (In reply to David Bailes from comment #1)
> Out of curiosity, what caused the breakage? Was it the conversion to
> "simplebook"?

Yes, I'm pretty sure it was commit 29201bba which introduced the problem, but didn't do any builds to confirm this.