amplitude for 70db

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tinating9
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Joined: Mon Nov 06, 2017 6:34 am
Operating System: OS X 10.11 El Capitan or later (macOS)

amplitude for 70db

Post by tinating9 » Mon Nov 06, 2017 6:43 am

I want to create a tone of 70db, 2000HZ for my psychology experiment. I am wondering which value I should put in the Amplitude (0-1) to control the loudness.

Many thanks,

Tina
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steve
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Re: amplitude for 70db

Post by steve » Mon Nov 06, 2017 9:36 am

There is no way to control how loudly a file will play. Even a "quiet" audio file will sound loud if I play it via a big amplifier with the volume turned up high. Similarly a "loud" track will sound quiet if I turn down the playback volume.

To play a sound at a specified loudness, you would need a "Sound Pressure Level" meter ("SPL meter"), and adjust the playback volume of your audio playback system.
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