Direct Stream Digital (DSD) is different from Pulse Code Modulation (PCM). The most obvious difference is the sample size: 1 bit vs. 16 for CD or 20 to 24 for DVD. But there’s more: if you send the raw data stream out to a speaker, with PCM you get random garbage. With DSD you get an intelligible audio signal which bears a striking resemblence to the actual sounds recorded. This is because the 1-bit samples are naturally grouped into understandable patterns, whereas with PCM they are numbers, decodible only by your player’s Digital-to-Analog (D/A) converter. I’ve aready mentioned other differences. Still Don’t believe me when I say SACD is better?
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