Voice Output Device with State Detection for Reliable Message Delivery
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Solution Overview
Problem
Voice output devices often fail to ensure that messages are received by the intended person, as they output messages immediately upon receipt, regardless of whether the person is able to listen or not, leading to missed messages.
Innovation Solution
A voice output device that determines whether the intended person is in a state to listen before outputting messages, using image analysis and face recognition to satisfy specific start conditions, such as being in a vehicle or not sleeping, to suspend or initiate voice output accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If voice output is performed immediately after receiving a message, then the response speed is improved, but the reliability of message delivery deteriorates because the person may be unable to listen
Solution Approach 1:
The system performs preliminary detection of the person's state (through image recognition, voice analysis, or interaction detection) before executing the voice output action. This ensures that the message is delivered only when the person is in a suitable state to receive it, thereby improving delivery reliability without significantly compromising response speed.
Solution Approach 2:
The system continuously monitors the person's state and uses this feedback information to dynamically control the voice output timing. By detecting whether the person is listening, sleeping, or engaged in other activities, the system adjusts the message delivery timing to ensure reliable reception while maintaining efficient response.
2Reliability
If voice output is delayed until the person is detected to be in a listening state, then the reliability of message delivery is improved, but the response speed deteriorates
Solution Approach 1:
The system performs preliminary detection of the person's state (through image recognition, voice analysis, or interaction detection) before executing the voice output action. This ensures that the message is delivered only when the person is in a suitable state to receive it, thereby improving delivery reliability without significantly compromising response speed.
Solution Approach 2:
The system continuously monitors the person's state and uses this feedback information to dynamically control the voice output timing. By detecting whether the person is listening, sleeping, or engaged in other activities, the system adjusts the message delivery timing to ensure reliable reception while maintaining efficient response.
3Reliability
If the system continuously monitors the person's state to determine optimal output timing, then the message delivery reliability is improved, but the device complexity increases
Solution Approach 1:
The system uses readily available sensors and existing processing capabilities within the voice output device itself to monitor the person's state. By leveraging built-in microphones, cameras, or motion sensors, the system avoids the need for separate monitoring devices, thereby reducing overall system complexity while maintaining reliable message delivery.
Solution Approach 2:
The system uses the same sensors and processing units for multiple functions - both for the primary voice output task and for monitoring the person's state. This multi-functionality approach avoids adding dedicated monitoring hardware, thereby reducing device complexity while achieving reliable message delivery timing.
Data Source
AI summary
A voice output device includes a voice output controller configured to determine, when a message reception unit receives a message, whether a start condition to be satisfied when a person intended to receive the message normally listens to voice in the predetermined space is satisfied, and cause a voice output unit to start voice output of the message when the start condition is satisfied and suspend voice output of the message when the start condition is not satisfied. The voice output is not immediately performed in response to a reception of a message but is performed only when the person intended to receive the message normally listens to the message, and the voice output of the message is suspended in other cases.