Joe Bloggs
Sponsor: HiByMember of the Trade: EFO Technologies Co, YanYin TechnologyHis Porta Corda walked the Green Mile
HDCD is extra information encoded in the last bit of a CD bitstream, right? In order for a HDCD-capable DAC to decode the HDCD information, does it need to read all of these bits correctly? Or is there just a bit of code in the beginning of a track or CD that indicates whether it's HDCD, and then the HDCD decoding is engaged no matter what?
If it is the former, can HDCD decoding be seen as a test for whether a CD transport is reading data off the CD correctly and sending it to the DAC with less jitter than is enough to cause data errors?
OTOH if a HDCD is scratched so that the transport cannot read parts of the track correctly would the DAC indicate that it's doing HDCD decoding even in these parts of the track?
If it is the former, can HDCD decoding be seen as a test for whether a CD transport is reading data off the CD correctly and sending it to the DAC with less jitter than is enough to cause data errors?
OTOH if a HDCD is scratched so that the transport cannot read parts of the track correctly would the DAC indicate that it's doing HDCD decoding even in these parts of the track?
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