Jack of designingsound.org shares to us a helpfull IOS application. Quiztones is an app for Apple’s IOS. The app is designed to help train you to determine sound characteristics. The app will quiz you about a tone or loops frequency gain. The app does this in an easy and attractive format. While its difficult at first, the app doesn’t feel discouraging.
An interesting article. Check it here in full:
Quiztones Frequency Ear Training Review
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
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