Compact Disc Digital Audio
(Redirected from Audio CD)
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| Media type | Optical disc |
|---|---|
| Encoding | 2 channels of LPCM audio, each signed 16-bit values sampled at 44100 Hz |
| Capacity | 74–82 minutes |
| Read mechanism | 780 nm laser diode |
| Standard | Red Book/IEC 60908 |
| Developed by | Sony & Philips |
| Usage | Audio storage |
| Extended to | CD-Text · CD+G · DVD-Audio |
| Released | 1982; 44 years ago (1982) |