Wireless Audio Transmission via Dual-Protocol Segmentation
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Solution Overview
Problem
Existing image display systems lack convenient wireless audio transmission capabilities between image display apparatuses and mobile terminals, limiting user convenience in multimedia experiences.
Innovation Solution
The implementation of a wireless audio transmission method using a combination of TCP-based communication for synchronization and RTP/UDP-based communication for data transfer, allowing efficient and reliable audio data exchange between image display apparatuses and mobile terminals, enabling low-delay streaming and multi-user support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless audio transmission is implemented between image display apparatus and mobile terminal, then user convenience is improved, but system complexity increases
Solution Approach 1:
The patent segments the audio transmission system into two independent communication channels: TCP-based communication for synchronization control and UDP-based communication for audio data transmission. This segmentation allows each protocol to be optimized for its specific function, improving overall system efficiency while maintaining manageable complexity through modular design
Solution Approach 2:
The patent introduces a synchronization protocol as an intermediary layer that coordinates between the image display apparatus and mobile terminal. This intermediary manages the complex synchronization requirements by establishing a standardized interface, thereby simplifying the integration process and reducing system complexity
2Reliability
If TCP-based communication is used for synchronization, then communication reliability is improved, but transmission delay increases
Solution Approach 1:
The patent separates synchronization control data (transmitted via TCP for reliability) from audio data transmission (transmitted via UDP for low delay). This segmentation allows the system to achieve both reliability for control signals and low latency for audio content by using appropriate protocols for each data type
Solution Approach 2:
The patent applies different communication quality characteristics to different data types: TCP provides high reliability and ordered delivery for synchronization commands, while UDP provides low-delay transmission for audio data. This local quality optimization ensures each data type receives the appropriate transmission characteristics for its functional requirements
3Speed
If UDP-based communication is used for audio data transfer, then transmission speed is improved, but communication reliability deteriorates
Solution Approach 1:
The patent divides the communication system into reliability-critical control channels (TCP) and speed-critical data channels (UDP). By segmenting audio data transmission to use UDP exclusively, the system maximizes transmission speed while offloading reliability management to the TCP-based synchronization layer
Solution Approach 2:
The patent implements dynamic error handling and retransmission mechanisms specifically for UDP audio data transmission. The system can adaptively request retransmission of critical audio packets while maintaining overall high-speed transmission, dynamically balancing reliability and speed based on network conditions and packet importance
Data Source
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AI summary
An image display apparatus, a mobile terminal and a method for operating the same are discussed. The method for operating the image display apparatus includes entering a wireless audio transmission mode, performing synchronization with a mobile terminal using a first wireless communication method, extracting audio data from multimedia data, and transmitting the extracted audio data to the mobile terminal using a second wireless communication method different from the first wireless communication method. By this configuration, it is possible to improve user convenience.