Key features

The VocalFusion® XVF3610 is a high-performance voice processor that is optimised for integrated applications.

The XVF3610 has the following key features:

Voice Processing

  • Two PDM microphone interfaces

  • Digital signal processing pipeline

  • Full duplex, stereo, Acoustic Echo Cancellation (AEC)

  • Reference audio via I2S with automatic bulk delay insertion

  • Point noise suppression via interference canceller

  • Switchable stationary noise suppressor

  • Programmable Automatic Gain Control (AGC)

  • Flexible audio output routing and filtering

  • Independent audio paths for communications and Automatic Speech Recognition (ASR)

Device Interfaces

  • Full speed USB2.0 compliant device supporting USB Audio Class (UAC) 1.0

  • USB HID and Endpoint 0 control interfaces

  • Flexible Peripheral Interfaces

  • Programmable digital general-purpose inputs and outputs

  • I2C interface for system control and local peripheral control

  • I2S slave interface input & output of audio data

  • SPI master interface for control and interrogation of a local SPI slave devices

Firmware Management

  • Boot from QSPI Flash

  • Default firmware image for power-on operation

  • Update image delivered via USB

  • Persistent user data maintained across firmware upgrade cycles

  • User-programmable setup for SPI peripherals

  • Option to boot from a local host processor via SPI

  • Device Firmware Update (DFU) via I2C or USB

Package

  • 7mm x 7mm 60pin QFN package

Power Consumption

  • Typical power consumption 300-350mW