AT2004 Overview
The AT2004 is a four full-duplex channels, ADPCM processor with conferencing and echo cancellation capabilities. It follows the G.726 ITU Standard for ADPCM pression for 40k, 32k, 24k and 16k bitrates with selectable µ-law and Alaw input/output. It conforms to ITU G.165/G.168 Digital Adaptive Echo Canceller specification for line echo delay up to 20ms.
AT2004 Key Features
- 4 full channels of ITU G.726 ADPCM 4 full channels of ITU G.165/G.168 plia nt echo cancellation with up to 20ms echo del