G.728
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- Website: https://www.itu.int/rec/T-REC-G.728/en
- Wikipedia: http://en.wikipedia.org/wiki/G.728
- TwoCC: 0x0041
- File extension: .g728
G.728 is an ITU-T standard Low-Delay Code-Excited Linear Prediction (LD-CELP) codec operating at 8000 kHz, 16 kbit/sec.
G.728 is *often* framed at 20 samples (2.5ms), where each frame contains four 10-bit vectors, packed into 5 bytes.
RealAudio 28.8 is based on G.728.