Need Help Replicating a Very Specific Fire Alarm Sound

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1

I’m trying to recreate the audio from a video I saw of a concealite fire alarm. To see the video, enter “W3wWHF0rvU4” after the “watch” in the YouTube watch URL (The forum won’t let me post with all these links). So far, all I’ve done is remove the frequencies above 4k Hz to match the spectrogram, which is a step in the right direction. Here is the edited audio (I also added reverb):

For reference, this is the Integrity alarm sound.

I need help adding the right effects to match the sound enough. I’ve tried it myself, but I just end up going in circles. I figured it would be best to ask people who actually know what they’re doing.

2

I added this in a previous draft it wouldn’t let me post, but I just need the crunchiness added there; It just doesn’t sound rough enough.

3

There’s more above 4kHz, that’s where the crunchiness lives …

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attempt at replication

4

Thank you very much. That was faster than I could have ever hoped for. Did you do anything else to the audio beside add the other frequencies?

And, if you’re willing, could you please send the audacity file so I can see it?

5

I’m using a very old version of Audacity, which has different project file format.

You can download WAV audio files which are attached to posts here …

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6

I see. Thanks for recreating the sound, it’s fantastic! Are you able to send the sound without reverb?

7

if it’s now too harsh, reduce the frequencies above 4kHz with a low pass filter, or equaliser.

(Echo then reverb to emulate an actual space).

8

Thanks dude, you’re the coolest. I’ll put your username in any projects that use this sound.