![]() I have to be honest and say that the 6ms difference in latency between a floor monitor and an in-ear monitor does not impact my playing nor perception of things. ![]() If I switch to a pair of in-ear monitors – that latency drops to zero. I’m a fairly tall person (over 6ft) so for me – the minimum amount of latency with a floor monitor positioned right under my feet will be around 6ms. I started with the explanation of the difference in latency between in-ear and floor monitors. We now come to the perceptions of latency and how to properly adjust these values. How does this impact your processing power? A smaller latency value simply means that your computer needs to work harder to process all those samples in time. If you change the buffer size to 128 and leave the sampling frequency at 44.1KHz – you will get latency of 2.9ms and so on. Basically – the buffer fills up twice as fast. What kind of impact will doubling the sample rate have? If you set it to 96KHz you will get 256/96,000 = 2.7ms latency. How does this relate to latency? If your buffer size is 256 and your sampling rate is 44,100 times per second (Hz means cycles per second) then your latency will be (256/44,100) seconds which is 0.0058 seconds or 5.8ms 44.1KHz is a common sampling frequency for live use. What is the sample rate? The sample rate determines how many samples your audio interface will capture every second and do the above mentioned conversions. It takes any audio input, converts that into digital form and then on the output side – converts those numbers back to analog audio. Your audio interface is an analog-to-digital as well as digital-to-analog converter. What is the buffer size? It is basically the maximum number of samples that will be collected before your plugins get to process them. There is almost no distance between the in-ear monitors and the ear so the latency here is basically non existent. As soon as the sound is produced – the person hears it. Now consider this guy who is using a pair of in-ear monitors. What does it really translate to when playing on stage? Suppose the person on the left is approximately 10ft away from the speakers behind him. The speed of sound is approximately 1,000ft per second which basically means that it takes about 10 milliseconds for sound to travel from the speakers to the person’s ears. ![]() What is latency? It’s simply the amount of time that passes between the sound being generated and perceived by your brain. ![]() What does it really mean? How do you set your gear and Gig Performer to work for you, not against you? By Nebojsa Djogo I hear the term “Latency” a lot when talking about audio processing. ![]()
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