ADPCM, 512 Channel Duplex
"The Amphion family of adaptive differential pulse code modulators (ADPCMs) is designed to provide high-performance solutions for a broad range of applications requiring speech compression and decompression. The core supports 512 simplexchannels or 256 duplex channels. You can reconfigure the core on-line to change compression rates. Each channel is independently selectable for encoding or decoding.
Device Family Support
# Fully compliant with ITU G.726, G.726a, G.727, and G.727a standards
# Supports Ãƒâ€šÃ‚Âµ-law, A-law"