How did you generate that short fade? I've been trying to work with fades
and crossfades in Audacity, but all I get is a long fade when I select the
"Fade in", "Fade out", "Crossfade in", or "Crossfade Out" plugins.
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Downie
Sent: Wednesday, October 07, 2015 12:52 AM
Subject: [audacity4blind] Re: Sound Generator - Announcement Bell
Having consulted a friend who has way better ears than mine, he was able to
tell me that the two tones that make up the announcement tone are a minor
third and almost certainly fourth octave b and fifth octave d. Armed with
that information, I have generated something that sounds to my tin ears
pretty close to the sound in the recording. I used a sine wave and
generated each tone onto a separate track. Sample mp3 file attached. Note
the brief fade out at the end to match the chime at the airport.
The frequencies for the two notes are 493.883 and 587.33. You could
adjust them if you think they are not quite right.
On 7/10/2015 6:48 AM, Annabelle Susan Morison wrote:
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Download the file - 13 Australia_ International Airport.m4a
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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.