Ive heard some negative comments about optical digital interconnects. Does is matter whether I use optical or coaxial digital input when recording to Minidisc?
In a word: No. The perceived problems with optical interconnects relate to an optical cable’s greater theoretical potential to distort the digital signal, particularly to create small inaccuracies in the arrival time of data bits (“jitter”). However, in Minidisc recording jitter is not an issue since the digital input signal’s sample values are recovered and passed directly into a memory buffer or into a sampling rate converter that is clocked with the clock embedded in the input signal. The sampling rate converter and/or memory buffer allow the audio samples to be subsequently read and passed to the ATRAC converter with an accuracy determined by the MD unit’s internal quartz clock. Even if jitter was an issue however, it is doubtful that the short cable lengths involved in home HiFi systems could produce audible differences between optical and digital cables. Regarding the occurance of outright bit errors due to a marginal cable: S/PDIF contains only parity information, there is no er
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Ive heard some negative comments about optical digital interconnects. Does is matter whether I use optical or coaxial digital input when recording to Minidisc?