Voice Control Remote with Acoustic Signal Processing
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Solution Overview
Problem
Conventional television remote controls are limited in functionality and inconvenient for users, especially in situations where hands are occupied or vision is impaired, as they require manual key pressing and lack advanced features like voice control.
Innovation Solution
A remote control integrated with a microphone interface, analog-digital converter, high-frequency wireless transmission unit, and a processor that enables voice control and recognition, allowing users to control a television system using voice commands and displaying text on the screen, with mode switching capabilities indicated by an indicator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional remote control with keyboard is used, then basic television operations can be performed, but user hands must be available for manual key pressing and operation becomes difficult in dark environments or when vision is impaired
Solution Approach 1:
The patent replaces the mechanical keyboard input system with an acoustic field-based voice recognition system. The microphone interface captures voice commands, the sampling circuit converts analog voice signals to digital signals, and the processor interprets these signals to control television functions. This substitution eliminates the need for manual key pressing and enables operation in dark environments or when hands are occupied.
Solution Approach 2:
The remote control is designed with multi-functionality by integrating both traditional keyboard operations and voice recognition capabilities. The processor can operate in different modes: traditional remote control mode using the keyboard, and voice control mode using the microphone interface. This universal design allows the device to adapt to various usage scenarios including hands-free operation, dark environment operation, and complex command execution.
2Adaptability or versatility
If remote control only has basic functions, then device complexity is low, but it cannot satisfy multiple user requirements for simultaneous tasks and advanced control
Solution Approach 1:
The patent merges multiple functional components into a unified remote control system: the microphone interface for voice input, the sampling circuit for signal conversion, the analog-digital converter for signal processing, the processor for command interpretation, and the high-frequency wireless transmission unit for communication with the television. These components work together as an integrated system to provide advanced voice control functionality while maintaining a single device structure.
Solution Approach 2:
The patent introduces several intermediary components to bridge different functional domains: the sampling circuit acts as an intermediary between the analog microphone signal and the digital processor; the analog-digital converter serves as an intermediary for signal format transformation; and the high-frequency wireless transmission unit acts as an intermediary for wireless communication between the remote control and television. These intermediaries enable complex functionality while managing system complexity through modular design.
Data Source
AI summary
Provided is a remote control comprising a housing, a keyboard (20) mounted on the housing, a processor (106) electrically connected to the keyboard (20), an analog-digital converter (103) and a high-frequency wireless transmission unit (108) electrically connected to the processor (106), a sampling circuit (102) electrically connected to the analog-digital converter (103) and a microphone interface (30) electrically connected to the sampling circuit (102). Also disclosed is a television system. The remote control and television system in the present solution are simple to operate and can satisfy user's multi-function requirements.