![]() UC AD/DA: 43,2/28 samples = 0,90+0,58 = 1,48ms kHzĪlone from these values I do not understand why the UC only has 0.5ms less latency with loopback enabled. Look here, the differences in converter latency at 48 kHz from manual: So where does this 1ms of better converter performance for the UFX+ is getting lost here? And this is not understandable, because the UFX+ (according to technical information in the manual) should have AD/DA converter which are (for AD and DA in total) around 1ms faster than those of the UC. Even if it would turn out, that you also got wrong values back from RTL Utility I fear we both with end up at around 4.25ms. ![]() The value 205 samples seems to be valid, as this is nearly the same what your ASIO driver reports to the DAW (1 sample more).Ĭubase: 1,688 + 2,562 = 4.25 ms = 204 samples (also 48 kHz, 64 samples ASIO buffer size)īut then the RTL of my UFX+ (4.27ms) would be even worse compared to the values of the UC which had a latency of only 4.0ms, which would be a bit disappointing. Note: the results do not follow a certain pattern: 18x I get a RTL of 192 samples, then 6x 205 samples, then 31x 193 samples, then 14x 205 samples. UFX+ 205 samples, 4.271ms, 48kHz, 64 samples (1.3ms) (<- only 1 sample more compared to ASIO driver (204) UFX+ 193 samples, 4.021ms, 48kHz, 64 samples (1.3ms) (<- I regard these results as invalid) If the AD/DA converter are not being used when enabling loopback, then I would expect to have latency savings in the range of the total converter latency, which is 1,48ms for the UC (AD and DA). Especially with the UC I don't understand that, because according to the manual the latency of the AD and DA converters is significantly higher. Is there an explaination for these unexpected results?ģ- I don't understand why the RTL decreases by only 0.5ms when using loopback for the UC and I also get the same result. I ensured to use the same sample rate of 48kHz and the same ASIO buffersize of 64. However, during the measurements I got strange and unexpected results:ġ- the measurement results for the RTL varied very unexpectedly between 2 values on my UFX+, I tried this on 2 different analog ports (AN7 and AN8 IN/OUT) and with the last three releases of RTL Utility (0.5.2, 0.5.1, 0.4.11).Ģ- the RTL of the UFX+ (4.25ms) was unexpectedly even worse compared to the much older UC (4.0ms) despite of it's much faster AD/DA converters. ![]() Rephrased to make it easier to (Adrian, Joost): I found your Youtube video very interesting and I'm thinking about refining my setup. ![]()
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