[vorbis] HDCD

ndrw mchl grnbrg agreenbu at nyx.net
Wed Jan 29 11:55:17 PST 2003



Michel Donais <ogg at micheldonais.com> wrote:
: I happen to own many HDCDs...
: 
: HDCD is for Hi Definition Compatible Digital. It is an extension of the
: CD format, where the last bits of each word are used to encode waveform
: generic infos. For example, this wave is square, this one have a bigger
: attack, and so on. It is more or less a hinting technique for better D-A
: conversion.
: 
: It also means the encoder used was the HDCD chip, which enables a high
: quality A-D conversion.
: 
: By compressing to any lossy format, you effectively lose the HDCD format
: ^_^

Would it be possible to extract the information into a 24-bit 96kHz file
to retain the same quality from the HDCD format?


-- 
 agreenbu @ nyx . net                             andrew michael greenburg
                     http://www.nyx.net/~agreenbu/
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