Filter Identification

This tool trains your ears to identify filter types, frequencies, and gain settings by listening to how EQ filters shape audio. Start with pink noise and a peaking filter at +12 dB to hear the vowel-like formant sounds that emerge at each frequency. Once you can recognize those, reduce the gain, try different filter types, and work your way through Teaching and Quiz modes.

I use this tool in my Critical Listening Skills class. If you find a use for it in your own work, I would love to hear about it. Please reach out.

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