Echo Canceller Block Diagram
Features
- Scalable multi-delay filtering to multiple microphones and speakers
- Tested with multiple speakers, Stereo in and Stereo out.
- Patented OPD, Echo path change detection, Auto tune, step size control, TSR, etc.
- Multiple algorithms
- Tuned for Machine / Human backend
- Minimal/medium/complete/ultra- aggressive modes of noise suppression
- Multiple patents
- Supports built-in noise control and gain control
- Echo span of up to 128ms(td) in a 640ms(tr) moving window to ensure superior performance across the devices with varying acoustic characteristics and environments
better music barge-in performance
- Cancels echo without distorting near-end speech for better keyword detection performance (lower FRR)
- Supports up to 96kHz sampling rate (full band)
- Supports multiple speakers connected through an audio splitter
- Cancels more than 60dB during single talk and more than 30dB during double talk
