Description
The MT9123 Voice Echo Canceller implements a cost effective solution for telephony voice-band echo cancellation conforming to ITU-T G.165 requirements.
Features
- Dual channel 64ms or single channel 128ms echo cancellation.
- Conforms to ITU-T G.165 requirements.
- 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 interface.
- ST-BUS or variable-rate SSI PCM interfaces.
- Selectable µ/A-.
MT9123 Datasheet
