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Audio delay. The term " Latency " typically refers to the delay introduced by PC and Mac soundcards becuase these use buffers at a certain size to receive and output sound data. The longer these buffers are, the longer the delay before the generated audio is sent to the loudspeakers. This delay is called "latency" in audio terminology.

Calculating the latency

The latency can be calculated by dividing the length of the buffer in samples by the sample rate. A buffer of 256 samples at 96000 Hz sample rate would then be 256/96000 = 0.00267 seconds or 2.67 ms.