Description
The MT9122 Voice Echo Canceller implements a cost effective solution for telephony voice-band echo cancellation conforming to ITU-T G.165 requirements.
Features
- Dual channel 64 ms or single channel 128 ms echo cancellation.
- Conforms to ITU-T G.165 requirements.
- ITU-T G.165/G.164 disable tone detection
supported on all audio paths.
- Narrow-band signal detection.
- Programmable double-talk detection threshold.
- Non-linear processor with adaptive suppression
threshold and comfort noise insertion.
- Offset nulling of all PCM channels.
- Controllerless mode or Controller mode with
serial interf.
MT9122 Datasheet
