CD File Documentation

Overview

Feature Value
Format Name Compact Disc Digital Audio (CDDA)
Capacity 700 MB (80 minutes audio)
Physical Size 120 mm diameter
Blocks 2,352 bytes per block
Channels 2 (stereo)
Sampling Rate 44.1 kHz
Bit Depth 16-bit per sample
Audio Format PCM (Pulse Code Modulation)
MIME Type audio/x-pcm
Disc Diameter 120 mm
Disc Thickness 1.2 mm
Inner Hole Diameter 15 mm
Minimum Track Width 1.6 µm
Scan Velocity 1.2 - 1.4 m/s
Linear Velocity 1.2 m/s (constant)
Track Pitch 1.6 µm
Encoding Eight-to-Fourteen Modulation (EFM)
Error Correction Cross-Interleaved Reed-Solomon Coding (CIRC)
Index Points Up to 99 index points per track
Compression None (typically, though lossy formats can be utilized in data sections)
Usage Audio, data storage, multimedia