From: New approach for determining the QoS of MP3-coded voice signals in IP networks
Version | International standard | Supported sampling rate frequencies |
---|---|---|
MPEG-1 Audio Layer III | ISO/IEC 11172-3 (MPEG-1 Part 3) | 32,000 Hz/44,100 Hz/48,000 Hz |
MPEG-2 Audio Layer III | ISO/IEC 13818-3 (MPEG-2 Part 3) | 16,000 Hz/22,050 Hz/24,000 Hz |
MPEG-2.5 Audio Layer III | Nonstandard, proprietary | 80,00 Hz/11,025 Hz/12,000 Hz |