Hearing Aid Simulator

Select Audiogram:

Scale Type:

Audiogram

Gain Settings

Audio Spectrum

How to Use the Hearing Aid Simulator

1. Selecting an Audiogram

Choose from five preset hearing profiles using the dropdown menu at the top:

Normal Hearing: Represents typical hearing thresholds
Mild Hearing Loss: Slight difficulty with soft sounds
Moderate Hearing Loss: Difficulty with normal conversation
Severe Hearing Loss: Can only hear loud sounds
Profound Hearing Loss: May only hear very loud sounds

2. Understanding the Chart

The main chart displays three key elements:

Blue Line (Audiogram): Shows hearing thresholds for the selected profile
Green Line (Gain Settings): Adjustable settings for sound amplification
Orange Overlay (Audio Spectrum): Real-time visualization of sound input

3. Adjusting Gain Settings

Customize the hearing aid response:

Click and drag the green dots to adjust gain for specific frequencies
Higher positions provide more amplification
A warning will appear if settings exceed safe levels

4. Audio Input Options

Choose your preferred audio input method:

Audio File: Upload and play an audio file to test different settings
Microphone: Use your device's microphone for real-time processing

5. Scale Options

Switch between two frequency scales:

Linear: Equal spacing between frequencies (default)
Logarithmic: Better visualization of lower frequencies

6. Safety Features

The simulator includes built-in safety measures:

Warnings for excessive gain settings
Volume limits to prevent unsafe audio levels
Automatic gain adjustment recommendations