A "blind test" is a method of testing in which the people being experimented on have no idea about what they're getting. This test method prevents results from being influenced by any a priori information. In the field of Audio, blind tests truly highlight what a listener is able to hear.
In the so-called ABX blind listening test, the listener has access to three sources: A and B are the references, X is the mystery source. X can be A or B. When the listener says that X is A, and that X is actually A, it doesn't prove anything yet: flipping a coin achieves the same result half of the time anyway. This is why we provide the listener with many trials to determine if the number of correct answers is statistically significant.
Loud sounds can cause equipment/hearing damage with even a single, brief exposure. Always turn your audio system level down to a reasonable level, before playing our sound files.
Is AudioCheck free? Not for me. Your support keeps this site running. Any donation will be rewarded with • uncompressed .wav files downloads for every test • increased durations and sample rates up to 192 kHz in the Tone Gen section • a feedback/suggestion box on every page
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