Even power save mechanisms can influence power supply. The CPU induces perturbations on PC's power supply in form of voltage variations and variable magnetic fields and these perturbations are correlated to CPU activity that doesn't To the output connector and these circuits get power from the computer's PSU, the same that supplies power to the CPU.ĬPU cycles, number of operations, and temporal distribution of these operations are largely determined by OS, programs running, and type of audio files to be decoded. S/PDIF is usually clocked by an oscillator inside the motherboard or the sound card, goes through several logic devices (CMOS gates) before being presented Have you ever thought that, when a computer outputs a timing dependent signal such as S/PDIF, the computer itself becomes part of the analog processing? I think that, while identical at bit level, flac, ape, and wav can sound different: is it an absolute truth? No, it is just my opinion.
It is funny how even an accurate choice of words to indicate a subjective sensation/opinion doesn't help to prevent to be attacked or, worse, be derided.
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