5- 4- 3- and 2-Bits Sample Embedded Adaptive Differential Pulse Code Modulation (ADPCM) - Annex A: Extensions of Recommendation G.727 for Use with Uniform- Quantized Input and Output - General Aspects of Digital Transmission Systems (Study Group 15) 8 pp
This annex extends the Adaptive Differential Pulse Code Modulation (ADPCM) algorithm specified in
Recommendation G.727 to allow use of a uniform PCM interface at input and output.