Bug 2639 – Sound Activated Recording level depends on Input Meter options

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Audacity 3.0.3 development began 19th April 2021

Audacity Bugzilla

Bug 2639 - Sound Activated Recording level depends on Input Meter options


Summary:	Sound Activated Recording level depends on Input Meter options

Status:	RESOLVED FIXED

Product:	Audacity
Classification:	Unclassified
Component:	Audio IO
Version:	unspecified
Hardware:	All All

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

URL:
Keywords:

Depends on:
Blocks:
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Reported:	2021-01-17 22:18 UTC by Steve Daulton
Modified:	2021-01-28 15:15 UTC (History)
CC List:	3 users (show)

See Also:	1592
Steps To Reproduce:	Example 1. Set the meter refresh rate to 1 per second. Test Sound Activate Recording (SAR). Observe that SAR is slow to respond to changes of input level. Example 2. Set the SAR level just above "room noise" level so that recording starts on a low level signal. Change the Input (Recording) Meter to "Linear". Observe that SAR now remains paused until a MUCH louder signal is present.
Release Note:
First Git SHA:
Group:	---
Workaround:
Closed:	2021-01-28 00:00:00

Flags:	petersampsonaudacity: Test‑OK‑Win+ petersampsonaudacity: Test‑OK‑Mac+

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Description Steve Daulton 2021-01-17 22:18:40 UTC

The Input (Recording) meter options can cause Sound Activated Recording to behave in unexpected and undesirable ways.

Example 1.
Set the meter refresh rate to 1 per second.
Test Sound Activate Recording (SAR).
Observe that SAR is slow to respond to changes of input level.

Example 2.
Set the SAR level just above "room noise" level so that recording starts on a low level signal.
Change the Input (Recording) Meter to "Linear".
Observe that SAR now remains paused until a MUCH louder signal is present.

Comment 1 Leland Lucius 2021-01-23 05:44:53 UTC

Fixed in:

https://github.com/audacity/audacity/commit/f509d9c

SAR is no longer coupled to the input meter.

Comment 2 Peter Sampson 2021-01-23 11:37:12 UTC

(In reply to Leland Lucius from comment #1)
Testing on W10 with Audacity 3.0.0 4e6e3c2

This appears to work fine

Comment 3 Peter Sampson 2021-01-23 11:43:25 UTC

Testing on macOS 11.1 Big Sur with Audacity 3.0.0 4e6e3c2

This appears to work fine

Comment 4 Peter Sampson 2021-01-28 15:15:04 UTC

Examining the commit for this fix shows that it is not platform-dependent
https://bugzilla.audacityteam.org/show_bug.cgi?id=2639

And as this tests OK on W1- and Mac I shall close this as FIXED