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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Re: Ack! dAck! 2.0 - HDCD?? posted by csown on May 20, 2005 at 11:19:50:
"The HDCD information is encoded as pseudo-random noise in the lowest bit..."That's a great description of dither...
HDCD uses the LSB as a "code" to trigger dynamic expansion of peaks and low-level signals. (This "code" also illuminates of the "HDCD" indicator on the DAC or CD player.) The details of the coding/decoding are proprietary to Pacific Microsonics/Microsoft.
Since the details are proprietary, nobody outside of Pacific Microsonics/Microsoft knows exactly how HDCD works, but when well-executed in both recording and playback, I do prefer it over standard Redbook playback. (Aside from digitally-mastered vinyl, it's the only digital playback medium I prefer over standard Redbook playback.)
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Follow Ups
- Re: Ack! dAck! 2.0 - HDCD?? - Todd Krieger 19:03:11 05/20/05 (5)
- Re: Ack! dAck! 2.0 - HDCD?? - laznos 01:03:00 05/21/05 (4)
- Re: Ack! dAck! 2.0 - HDCD?? - Todd Krieger 22:45:09 05/21/05 (0)
- Re: Ack! dAck! 2.0 - HDCD?? - csown 13:01:37 05/21/05 (2)
- Re: Ack! dAck! 2.0 - HDCD?? - Mudshark 17:08:01 05/21/05 (1)
- Re: Ack! dAck! 2.0 - HDCD?? - csown 13:22:25 05/22/05 (0)
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