Stereo-AEC Far-Field Voice Kit A First For Smart Devices

XMOS Ltd. introduces the XVF3500 voice processor that supports stereo-AEC along with what is said to be the world's first stereo AEC far-field linear microphone array solution; the VocalFusion Stereo Evaluation Kit (XK-VF3500-L33). The XVF3500 voice processor delivers two-channel full duplex acoustic echo cancellation (AEC). The solution is designed for developers working in the growing voice-enabled smart TV, soundbar, set-top box, and digital media adapter markets, all of which require stereo-AEC support for "across the room" voice-interface solutions. The solution also supports configurable AEC latency, where the AEC reference signals can be accurately calibrated, and the latency adjusted, to enable after-market far-field voice accessories for existing consumer electronics products.


Commands are accurately captured from across the room for processing by a cloud-based speech recognition system, even in complex acoustic environments. The XVF3500 voice processor delivers sophisticated voice digital signal processing (DSP) including a full duplex acoustic echo canceller (AEC) with barge-in capability that enables users to interrupt or pause a device that's playing music, and an adaptive beamformer that follows a speaker.


Additional sophisticated dereverberation, automatic gain control, and noise suppression provide crystal clear voice interaction experiences even in noisy environments. For more information, visit XMOS.