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Any audio interface you buy should, given the ideal conditions, offer a 13ms latency. At 50ms, the gap between input and output will be so large that you won't be able to work. At 21ms, the trained among you will start feeling that something is off. If you go beyond this limit, performance issues start to creep in. Any system – video or audio – that processes an input and produces an output within 13 seconds will feel lag-free to human beings. Some highly trained or genetically gifted people might be able to process it faster, but in general, 13ms is the amount of time taken to process an input.Īs you guessed it, 13ms is also the limited for what usually qualifies as “low latency”. The fastest we can process visual or auditory information is 13ms. Our other senses, especially sight and hearing, are much faster. That is, most of us take 250ms to react to an action (such as a ball thrown at our face). Physically, human beings have an average reaction time of 250ms. When this gap is more than the gap between a computer's I/O, we feel that the action is “instantaneous” or “low latency”. Just like a computer, there is a gap between the time we see or hear something and the time it takes for our brains to process it. This is a function of our biological limits. ![]() When we talk about “low latency”, we essentially mean “latency that is perceived to be instantaneous”. whether you're using USB 2.0 or Thunderbolt or MIDI input/output, etc.īecause these conditions can change from computer to computer and time to time (you might have 21 different Chrome tabs open simultaneously while using Ableton), your latency can also vary.
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