Development kits for Amazon Alexa Voice Service

VocalFusion dev kit for Amazon AVS

Kit: XK-VF3510-L71-AVS
Silicon: XVF3510-QF60-C
Downloads: software (XVF3510-INT) and documents
Amazon AVS: developer

From doorbells to smart TVs, our devices are getting smarter. Virtual Assistants and voice-control have opened the door to a natural conversation with technology; voice is transforming the way in which we access and enjoy content.

To address the demands of this rapid far-field voice market growth, manufacturers need an eBOM-efficient, high-performance voice processor. Requiring just 2 microphones, our XVF3510 voice processor enables far-field voice capture with close range precision, delivering powerful performance in a cost-efficient package.

With purpose-designed algorithms, XVF3510 will capture a clear voice stream from across the room, even in noisy environments and when content is streaming through the device.

The XVF3510 is for designers of voice-enabled smart products, who need high performance at a low BOM.

Specification and block diagram

PACKAGE
60-Pin QFN 7mm x 7mm,
0.4mm pitch

VOICE PROCESSING
Full duplex stereo acoustic echo cancellation (225ms tail length)
Automatic Delay Estimator (+/- 150ms delay adjustment)
Interference Canceller
Noise Suppression
Automatic Gain Control

MICROPHONE INTERFACE
2-channel digital PDM microphone interface
Dual microphone array, 71mm spacing

AUDIO
I2S audio interface, 16/48kHz

GPIO
4 x General Purpose Inputs (with optional single pin interrupt capability via USB-HID)
4 x General Purpose Outputs

CONTROL INTERFACE
I2C Control Interface

TYPICAL POWER CONSUMPTION
I2S: 400mW

Requires Raspberry Pi 3 to run AVS SDK and Sensory TrulyHandsfree wake-work engine, plus Alexa Development Account

VocalFusion 4-mic stereo-AEC development kit for Amazon AVS

Kit: XK-VF3500-L33-AVS
Silicon: XVF3500-FB167-C
Downloads: software and documents
Amazon AVS: developer

Embed a voice front end into premium performance stereo devices.

Full duplex, stereo-AEC, noise suppression and deverberation cuts out noise and echo for accurate barge-in and command capture over long distances.

Specification and block diagram

XVF3500 processor board

  • XVF3500 voice processor
  • Micro-USB connector for power (optional USB2.0 device connectivity)
  • Low jitter, audio quality clock
  • Stereo DAC with integrated headphone amplifier
  • 4 configurable user input buttons
  • 13 user-controlled LEDs
  • xTAG interface for JTAG debug

XVF3500 voice processor (programmable for far-field voice capture)

  • Full duplex stereo acoustic echo cancellation (AEC)
  • Programmable AEC latency
  • Barge-in
  • 4 channel digital microphone interface
  • Adaptive beamformer
  • Dereverberation
  • Noise suppression
  • Automatic Gain Control (AGC)
  • Direction of arrival indication (DOA)

Compact microphone array

  • Linear, 100mm long
  • 4 x Infineon IM69D130 PDM (Pulse Density Modulation) MEMS microphones
  • 33.33mm inter-microphone spacing

Connectivity

  • Inter-Integrated Sound (I2S) audio interfaces
  • Inter-Integrated Circuit (I2C) serial or USB control interface
  • High speed USB2.0 compliant
  • Multi-channel USB audio class 1.0
  • 16-ball FBGA package 0.5mm pitch

VocalFusion 4-mic mono-AEC development kit for Amazon AVS

Kit: XK-VF3000-L33-AVS
Silicon: XVF3000-TQ128-C
Downloads: software and documents
Amazon AVS: developer

Our mono-AEC voice processor gives you up-close voice capture quality and processing accuracy at far-field range – even in noisy environments.

Ideal if you want to integrate Alexa into kitchen appliances and smart panels for lighting, heating and security products.

Specification and block diagram

XVF3000 processor board

  • Micro-USB connector for power (optional USB2.0 device connectivity)
  • Low jitter, audio quality clock
  • DAC with integrated headphone amplifier
  • 4 configurable user input buttons
  • 13 user-controlled LEDs
  • xTAG interface for JTAG debug

XVF3000 voice processor (programmable for far-field voice capture)

  • Full duplex acoustic echo cancellation (AEC)
  • Barge-in
  • 4-microphone adaptive beamformer
  • Dereverberation
  • Noise suppression Automatic Gain Control (AGC)
  • Direction of arrival (DOA) indication

Microphone Array

  • Linear, 100mm long
  • 4 x Infineon IM69D130 PDM (Pulse Density Modulation) MEMS microphones
  • 33.33mm inter-mic spacing

Connectivity

  • Raspberry Pi header
  • Inter-Integrated Sound (I2S) audio interfaces
  • Inter-Integrated Circuit (I2C) serial control interface
  • High speed USB2.0 compliant
  • Multi-channel USB audio class 1.0
  • 128-pin TQFP package 0.4 pitch

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

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