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Media type | Optical disc |
---|---|
Capacity | Typically up to 700 MB |
Read mechanism | 780 nm wavelength semiconductor laser |
Developed by | Pacific MicrosonicsInc./Microsoft |
Usage | Audio storage |
Extended from | Red Book Compact disc |
Released | 1995; 27 years ago
High Definition Compatible Digital (HDCD) is a proprietary audio encode-decode process that claims to provide increased dynamic range over that of standard Compact Disc Digital Audio, while retaining backward compatibility with existing compact disc players. |