MPEG-1 Audio Layer I is defined in ISO/IEC 11172-3, the first version of which was published in 1993. • Sampling rates: 32,
44.1 and 48 kHz • Bitrates: 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416 and 448 kbit/s An extension has been provided in MPEG-2 Audio Layer I and is defined in ISO/IEC 13818-3, which first version was published in 1995. • Additional sampling rates: 16, 22.05 and 24 kHz • Additional bitrates: 48, 56, 80, 112, 144 and 176 kbit/s == References ==