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26
EasyVR 3
User Manual (1.0.11)
Command Details
This section describes the format of all the command strings accepted by the module. Please note that
numeric arguments of command requests are mapped to upper-case letters (see above section).
CMD_BREAK
'b' (62h)
Abort recognition, training or playback in progress if any or do nothing
Known issues:
In firmware ID 0, any other character received during recognition will prevent this command from
stopping recognition that will continue until timeout or other recognition results.
Expected replies:
CMD_SLEEP
's' (73h)
Go to the specified power-down mode
[1]
Sleep mode (0-8):
0 = wake on received character only
1 = wake on whistle or received character
2 = wake on loud sound or received character
3-5 = wake on double clap (with varying sensitivity) or received character
6-8 = wake on triple clap (with varying sensitivity) or received character
Expected replies:
CMD_LEVEL
'v' (76h)
Set SD level
[1]
Strictness control setting (1-5):
1 = easy
2 = default
5 = hard
A higher setting will result in more recognition errors.
Expected replies:
CMD_KNOB
'k' (6Bh)
Set SI knob to specified level
[1]
Confidence threshold level (0-4):
0 = loosest:more valid results
2 = typical value (default)
4 = tightest:fewer valid results
Note:
knob is ignored for trigger words
Expected replies:
CMD_MIC_DIST
'k' (6Bh)
Set the microphone operating distance
[1]
Fixed to (-1)
[2]
Distance settings (1-3):
1 =
“headset” (around 5cm from speaker’s mouth)
2 =
“arms length” (default setting, from about 50cm to 1m)
3 =
“far mic” (up to around 3m)
Expected replies: