Audio TestsTest Tones Blind Tests
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High Frequency Response CheckBackgroundHumans hear frequencies from 20Hz up to 20kHz. As we get older, or exposed to loud sounds which damage our ears (such as loud rock concerts), the upper limit decreases. This test helps you benchmark the highest bound of your system's frequency extension. If you can't hear any of the high frequencies played back during this test, don't blame your speakers too quickly. Unlike low frequencies, high frequencies are easily reproduced, even with cheap speakers. In this test, the weakest components in your audio system are your ears.The fileA -3dbFS sweeping sine tone, from 22kHz (supposedly inaudible) to 12kHz (if you can't hear this one...). On the top of the test tone, a voiceover tells you which frequency is currently playing.
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