Voice Command Controller for Smart TV Content Selection
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Solution Overview
Problem
Current DTV, IPTV, and smart TV systems rely solely on remote controllers for user interaction, which is limiting as they do not support the new, diverse service formats provided in smart TV environments, such as personalized on-demand streaming, requiring a more advanced interface for effective service provision.
Innovation Solution
An electronic system with a display unit, voice input unit, and controller that can interpret voice commands to select and control various types of content from different sources, using command databases and speaker recognition to manage content output, allowing users to interact with multiple content types through voice commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a remote controller is used for user interaction, then the device can be operated, but the user interface is limited and cannot support diverse smart TV service formats
Solution Approach 1:
The patent replaces the mechanical remote controller interface with a voice recognition system that processes natural language commands. The voice input unit captures spoken commands, the controller recognizes and interprets them, and executes corresponding operations, eliminating the need for physical remote controller navigation and button pressing.
Solution Approach 2:
The patent introduces a voice recognition system as an intermediary between the user and the TV system. This intermediary translates natural speech into system commands, enabling users to interact with diverse services without needing to understand complex interface navigation or remote controller operations.
2Adaptability or versatility
If multiple content types from different sources are provided, then service diversity is improved, but the complexity of managing and controlling content increases
Solution Approach 1:
The patent implements a universal voice command system that can control multiple content types from different sources through a single interface. The controller is designed to recognize commands applicable to various content sources (broadcasting, internet, storage) and execute appropriate operations regardless of the specific content type or source being accessed.
Solution Approach 2:
The voice recognition system automatically identifies the current content source and type, then selects the appropriate command database and interpretation rules without requiring user configuration. The system self-adapts to the active content context, managing the complexity of multiple content sources transparently.
3Ease of operation
If voice command recognition is implemented, then user interaction convenience is improved, but the system requires additional components and processing complexity
Solution Approach 1:
The patent merges the voice input unit, voice recognition controller, and content control functions into an integrated system. The controller performs both voice command recognition and content management operations, combining multiple functions into a single processing unit that reduces overall system complexity despite adding voice capability.
Data Source
AI summary
A digital television including a display, an interface, a communication unit, a broadcast receiver, and a controller to: display broadcast content, display a screen corresponding to a voice recognition mode, receive a first voice command signal corresponding to a first voice command, which is a single voice command including a first part defining a search source of an Internet based search engine and a second part defining a first search keyword, display a web page corresponding to the search source, which includes a first search result corresponding to first information stored on a remote server, receive a second voice command signal corresponding to a second voice command, in which the second voice command is a single voice command including the first search keyword, and display a second search result corresponding to the first search keyword from the second voice command, which corresponds to second information stored in the digital television.