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Old 21st August 2007, 21:57   #1  |  Link
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Join Date: Jun 2007
Posts: 12
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,

Attached Files
File Type: zip hdcd.zip (31.2 KB, 11149 views)
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