Macintosh Performa 560
Apple has developed its own lossless audio compression technology called Apple Lossless Audio Codec (ALAC). In addition to AAC, most of the Apple Music catalog is now also encoded using ALAC in resolutions ranging from 16-bit/44.1 kHz (CD Quality) up to 24-bit/192 kHz ....
The Hearing Test includes a comprehensive range of tones at different and sometimes very low volumes, ranging in frequencies from 250 Hz to 8 kHz . To help ensure accurate results, it's important to take the Hearing Test in a quiet environment for the full duration of the test, like the comfort of home when you have about 5 minutes to yourself without intermittent noise, people talking, or loud air conditioning or fan systems nearby....
The hardware digital-to-analog converter (DAC) built into compatible Mac computers supports sample rates of up to 96 kHz ....
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