8khz tone to measure USB noice

8khz tone to measure USB noice

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This tone when played out of your high end stereo might be stronger on one channel than the other. If it is stronger on one channel you might have an issue with USB noice in this frequency area. I have isolated the USB data signal from the waveform the digital signal is being carried on, and once isolated the tone plays out equal on both channels.

8khz tone