There’s a new digital audio medium out there, and it’s growing by leaps and bounds. It’s physically the same size as a CD and the same data size as a DVD, but it is neither. It’s called Super Audio Compact Disc, and it was developed by Philips and Sony, the inventors of the original CD format. SACD is the wave of the future: Hi-Res audio to the extreme. The digital data is sampled in individual bits, instead of pulse codes like PCM, at an industry-leading 2.8224 MHz. Why is this significant? Because the higher sample rate and the single-bit sample size mean more exact sound.
And there are also hybrid discs available. Hybrids have two layers: one for the SACD player, and one for those of us who still cannot afford one but have an ordinary CD player.
SACDs are a multichannel format, supporting up to 6 simultaneous discrete channels: 3 front, 2 rear, 1 subwoofer. Multichannel discs also come with a premixed stereo track for players that don’t have surround.
Check the Acoustic Sounds site for further info or to order SACDs.
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