Why not cut the part of the bell out that you want and use that?
From: Annabelle Susan Morison
Sent: Tuesday, October 06, 2015 12:48 PM
Subject: [audacity4blind] Sound Generator - Announcement Bell
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Hi, it's Annabelle.
I wonder, how would I generate the sound of an announcement bell, that is, the
bell you'd hear on a PA system, like that of an airport or in a supermarket?
Here's an example of what I want to generate. Listen carefully for the bell
before the announcements.