Table of Contents
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Aaware
AEV13MZ
Far-Field
Voice
and
Sound
Capture
Quickstart
Guide
Powering
Up
Connect micro-USB cable to the JTAG-UART USB port (J2) as shown in figure 1, and the other side to a
PC/laptop (see figure 2). If you do not need access to the terminal (i.e. WiFi is setup), a USB battery can
also be used as the power source, and alternately plugged into the MiniZed AUX-PWR USB port (J6).
Figure 1: Power via UART-JTAG USB
Far-Field
Voice
Assistant
Operation
Upon power up and boot, the platform will go into voice-assistant mode and start listening for voice
commands based on the Wakeword "Alexa" (or optionally both "Alexa" and "Ok Google"). An LED will
blink in the direction of the detected WakeWord, and noise/interferrence suppressed audio will be
captured from that direction. See the User Guide for more details.
Figure 2: Aaware Wakeword Directional LED Blink
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Table of Contents
Summary of Contents for Aaware AEV13MZ
- Page 1 Wakeword "Alexa" (or optionally both "Alexa" and "Ok Google"). An LED will blink in the direction of the detected WakeWord, and noise/interferrence suppressed audio will be captured from that direction. See the User Guide for more details. Figure 2: Aaware Wakeword Directional LED Blink...
- Page 2 Terminal ready root@aawmz1:~# uname -a Linux aawmz1 4.4.0-aawos+ #1 SMP PREEMPT Fri Nov 3 21:28:18 PDT 2017 armv7l armv7l armv7l GNU/Linux root@aawmz1:~# Note: you will automatically be logged in as root user. WiFi Setup The Aaware Linux platform is setup with a network WiFi interface as wlan0, as shown by the ifconfig command below. root@aawmz1:~# ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1...
- Page 3 complex security or more details on wpa_supplicant, some good starting points are: https://wiki.archlinux.org/index.php/WPA_supplicant http://manpages.ubuntu.com/manpages/trusty/man5/wpa_supplicant.conf.5.html https://wiki.debian.org/WiFi/HowToUse Basic WiFi setup steps: 1. Add your network to /etc/wpa_supplicant.conf using a text editor of choice (vi/vim is available on the platform). An example entry is shown below for a standard password protected network, just change the placeholder parameters like myssid to your real network values.
- Page 4 RX bytes:105161 (105.1 KB) TX bytes:7684 (7.6 KB) root@aawmz1:~# ifup wlan0 The Administrative User: aawadm For nearly all use cases, one should operate as a non-root user. For the Aaware platform, the sound capture administrator user aawadm is the recommended account for using the platform. The default passwd is admaaw17. Remote Login with ssh Once WiFi is up, use secure shell to login as aawadm: [laptop@vmel6 ~]$ ssh aawadm@192.168.0.102...
- Page 5 The default microphone array configuration uses all 13 microphones included on the Aaware board, but is easily re-configured use a 7-mic subset. Other configurations are possible. See the User Guide on how to switch configurations.
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