Internet’s largest collection of sound tests, audio test tones, and tone generators. Online and free!

Audio Check gives you access to an extensive collection of sound tests, playable online and downloadable for free.

The sound material provided on audiocheck will help you assess the audio equipment connected to your computer, your tablet or your smartphone. Test your hearing, speakers, headphones, digital-to-analog converters… and more!

Design your own sound tests using the high quality waveform generators. Download the sound files, burn your custom audio test CD and make audiocheck playable from your CD player!