Sound Tests and Audio Test Tones

Sound Tests

Our Sound Tests will help you to intuitively benchmark your audio Equipment and loudspeakers  E , your listening environment and room Acoustics  A  or your Hearing  H  without any other device required. In these tests, your ears will be your best judge.

Frequency Response Tests

• Low Frequency Response and Subwoofer Audio Test (10-200 Hz)  E 
• High Frequency Response and Hearing Audio Test (22-8 kHz)
• Audiometric (Hearing Loss) Test (125-8,000 Hz)  H 
• Mosquito Tone Audibility Test (17.4 kHz)  H 
• Aliasing Test  E 
• Subwoofer Midrange Frequency Test  E 
• Subwoofer Kick Test  E   NEW 

Distortion Tests

• Low Frequency Extension and Subwoofer Harmonic Distortion Test (THD)  E 
• Intermodulation Distortion (IMD) Test Tone  E 

Stereo Imaging Tests

• Left/Right Stereo Audio Test  E 
• Loudspeakers Polarity Audio Test  E 
• LEDR Imaging Audio Test  EA 
• Low Frequency Sound Localization and Subwoofer Imaging Test  EAH 
• Stereo Perception and Sound Localization  H 

Dynamic Range Test

• 16-bit Dynamic Audio Test  A 
• Dynamic Range, Dithering and Noise Shaping  E   NEW 

Thematic Tests

• The Ultimate Headphone (and Earbud) Sound Test

Audio Test Tones

Audio Test Tones are for the the experts among our readers. These tones are best used in conjunction with external devices, such as a sound level meter or an audio spectrum analyzer.

Noises

• White Noise  EAH 
• Pink Noise  EAH 
• Brown (Red) Noise  EH 
• Blue (Azure) Noise  AH 
• Violet (Purple) Noise  EH 
• Grey (Perceptual) Noise  EH 

Sine

• Swept Sine (20-20,000 Hz)  EA 
• Swept Sine (20-200 Hz)  EA 
• Sine Bursts (20-200 Hz)  A 

Impulse

• Impulse Tone  EA 

Dynamic

• Dynamic Test Noises  A 

Higher Sample Rates (88.4-96-176.8-192 kHz)

• High Definition Audio Tests  E 

Others

For the curious mind...

• Brown Note
• Shepard Tone Illusion