XVF3615 WAKEWORD FEATURE DESCRIPTION¶
The XMOS VocalFusion® XVF3615 is a specialized variant of the XVF3610 voice processor. The XVF3615 variant provides the same voice pipeline and audio processing capabilities of the XVF3610 and in addition it integrates a 250kB Amazon Wake Word engine into the firmware package.
The following sections describes the additional capabilities of the XVF3615 including the system architecture, key features, operation, and integration into a host system. This document is a supplement to the XVF3610 Product Description and XVF3610 User Guide and the reader is assumed to be already familiar with that information.
Two variants of the XVF3615 are available which have been optimised for different application use cases. These two variants require different firmware to be loaded onto the device. The table below shows the key features provided by these two firmware variants.
Version |
Key Features |
Target Application |
|---|---|---|
XVF3615-INT |
Far-field voice interface & WWE
Audio interface: I2S (Slave)
Control interface: I2C (Slave)
|
Voice interface integrated into product |
XVF3615-UA |
Far-field voice interface & WWE
Audio interface: USB UAC1.0 (optional I2S Master)
Control interface: USB2.0 Full Speed
USB HID for host notification
|
USB plug-in voice accessory, and integrated products using USB |
Note
This issue of the user guide covers the functionality supported by version 5.6 and release 5.6.0 of the VocalFusion XVF3615 application firmware.