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21st August 2007, 21:57 | #1 | Link |
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Join Date: Jun 2007
Posts: 12
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HDCD Software Decoder
Hello all,
I've seen comments from a few people wanting to know how hdcd works, so I decided to take a look at it as an academic exercise. Attached is a 'reference decoder', which reads a 16-bit wav from from stdin, upconverts it to 24-bit using embedded hdcd information where present, and writes the output to stdout. To use, simply run: hdcd.exe < 16bit.wav > 24bit.wav If embedded hdcd information is detected, a notification will be written to stderr. Non hdcd's will also work, although the only result will be to halve their volume. Let me know how you get on, Chris |
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