9/26/2023 0 Comments Using truerta to set up speakers![]() ![]() Having said that there is another approach which is to play music but electronically subtract what goes in from what comes out, any differences must be due to the system errors. ![]() Music being the opposite of a constant known quantity it is not useful for conventional measurement purposes, instead test signals such as noise and pure tones are used. It is fun to observe the appearance of the spectrum of music playing, it changes all the time, and each type of instrument contributes energy in a different place on the chart.įor evaluation of technical quality it is necessary to feed into the system something that is a known quantity, which is another word for a test signal, and then observe the system output and compute what the differences are.
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