32-KBIT/S ADPCM WITH THE TMS32010 (CONTAINS SCANNED TEXT)

This report discusses 32-kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) transcoders. A half-duplex ADPCM transcoder, which complies with the CCITT recommendation (G.721), can be achieved with a single TMS32010. If the transcoder is used only for private lines, a full duplex non-CCITT ADPCM transcoder is more cost-effective and can be designed with a single TMS32010 processor. Both the CCITT and non-CCITT algorithms and code implementations are covered in the report.

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