Distorted sound when using custom sounds with SRBeep plugin

Cecilio

New Member
I was successfully able to put SRBeep (Stream/Recording Start/Stop Beep) plugin working, but only with default sounds.
In fact, when I replace them with my own, I get a distorted sound though my MP3 are tested to be loud and clear.

My MP3s have been produced using AWS Polly, a text to speech web tool (AWS Polly link), using the Neural engine. As announced by Amazon, this "Produces the most natural and human-like speech possible.".
I both successfully tested my MP3s in a stand-alone VLC and as an "OBS Media Source". Loud and clear.

But when I click (e.g.) the OBS "Start Recording" button, I get a distorted sound. The sound seems to be playing much slower than expected (the original female voice even seems to have a man voice).

My OBS setup is a surveillance camera based setup (2x IP cameras + 1x WebCam) and I chose neither to stream nor to record any sounds. Meaning, the plugin sounds should be the only audible sounds to be produced by OBS.


Here's what ffprobe says about both mine and a default mp3 file:
> ffprobe my_file.mp3
[mp3 @ 0000000002653740] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'my_file.mp3':
Metadata:
encoder : Lavf58.76.100
Duration: 00:00:01.25, start: 0.000000, bitrate: 48 kb/s
Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 48 kb/s


> ffprobe record_start_sound.mp3
Input #0, mp3, from 'record_start_sound.mp3':
Metadata:
track : 2
title : Audio Track
Duration: 00:00:01.31, start: 0.025057, bitrate: 177 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 176 kb/s
Metadata:
encoder : LAME3.99r


Windows 10 Pro (21H1)
OBS 27.1.3, 64-bit
Stream/Recording Start/Stop Beep (SRBeep) 2.1.0

Any ideas I to solve this issue?
Thank you!
 
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