wake word
Smart speaker summons
A wake word is a spoken phrase that activates a voice-controlled device, signaling it to start listening for commands.
Smart speakers and virtual assistants use wake words like "Alexa," "Hey Siri," or "OK Google" to distinguish intentional requests from background conversation.
The device continuously monitors audio but only processes speech after detecting its wake word.
What initiates action
- hotwordActivation phrase for devices
- keywordIndexed lookup term
- hands-freeOperable without holding
- promptIncite to action
invoke · initiate · engage · launch · detect · respond · enable · standby
Virtual home assistant
Operating without pause
- surveillanceSystematic observation of subjects
- eavesdroppingSecretly listening to others
- recordingCaptured audio or video
- opt-outChoose not to participate
trigger
What initiates action
- hotwordActivation phrase for devices
- keywordIndexed lookup term
- hands-freeOperable without holding
prompt · invoke · initiate · engage · launch · detect · respond · enable · standby · low-power
Alexa
Virtual home assistant
always-on
Operating without pause
- surveillanceSystematic observation of subjects
- eavesdroppingSecretly listening to others
- recordingCaptured audio or video
opt-out · consent · security · encryption
DSP
Signal manipulation technology
- far-fieldZone where waves stabilize
- Voice CommandsAlexa, voice activation, voice prompt, voice search, app launch