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VocalFusion XVF3500 stereo-AEC voice processor

The VocalFusion XVF3500 stereo-AEC voice processor gives you up-close voice capture quality and processing accuracy at far-field range – even in noisy environments. Includes stereo-AEC making it ideal if you want to embed a voice interface into a smart TV, soundbar, set-top box or digital media adaptor.

  • Distance


    Accurate voice capture and barge-in from across the room even when music is playing loudly and the commands are spoken softly.

  • Clarity


    Full duplex mono-AEC, noise suppression and dereverberation. Cuts out noise and echo for optimised ASR processing.

  • Distance


    With beamforming to track the voice of interest, you’ll get best in class performance at all angles and over long distances.




Programmable voice processor with stereo-AEC

  • 4-ch digital microphone interface
  • Voice DSP processing
    • Full duplex stereo Acoustic Echo Cancellation (AEC) with barge-in and programmable AEC latency
    • Adaptive beamformer for linear arrays
    • Dereverberation, Noise suppression, Automatic Gain Control
    • Direction of arrival (DOA) indication

Audio interface

  • Inter-IC Sound (I2S) audio interface, 48kHz sample rate
  • High speed USB2.0 compliant device, 48kHz sample rate
  • Multichannel USB Audio Class 1.0

Audio output

  • I2S output to DAC, up to 48kHz PCM

System control options

  • Inter-Integrated Circuit (I2C) serial control interface
  • USB control interface

167 ball FBGA package 0.5mm pitch


Developer Tools

  • Distance

    Software tools

  • Distance

    Document library


The hardware and software listed on this page may be subject to a license agreement - see License Agreements.