Cross-Device Multimedia Playback Switching With Parallel Caching
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cross-device multimedia playback technologies experience significant delays due to Bluetooth connections and serial data transmission, leading to a poor user experience.
Innovation Solution
Implementing a communication method that uses near field wireless communication to establish parallel execution of multimedia content synchronization and caching between devices, reducing delays by enabling concurrent data transmission and playback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Bluetooth connection is established first and then media data is transmitted serially, then connection stability is ensured, but cross-device switching delay increases
Solution Approach 1:
The patent applies preliminary action by having the second electronic device cache multimedia content in advance before the user initiates the switch. The device receives synchronization information including content address and playback progress, pre-downloads and caches the content locally, so that when switching is triggered, playback can start immediately without waiting for transmission during connection establishment.
Solution Approach 2:
The patent implements continuity of useful action by enabling parallel execution of Bluetooth connection establishment and media data transmission. Instead of serial execution where connection must be fully established before transmission starts, the system initiates both processes simultaneously, maintaining continuous useful action throughout the switching process and reducing total delay.
2Reliability
If serial execution of connection establishment and data transmission is used, then connection reliability is maintained, but switching speed decreases
Solution Approach 1:
The patent transforms the serial execution process into parallel execution. The Bluetooth connection establishment and media data transmission occur simultaneously rather than sequentially. The system establishes a connection task while concurrently initiating data transmission and caching, thereby maintaining connection reliability through proper task management while significantly improving switching speed through parallel processing.
Solution Approach 2:
The system performs preliminary actions by pre-establishing connection parameters and pre-initiating data transmission before the switching operation is fully triggered. The second device prepares reception and caching mechanisms in advance, so that when the switch is activated, both connection and data transfer are already in progress, boosting productivity without compromising reliability.
3Adaptability or versatility
If Bluetooth transmission is used for media data, then compatibility is ensured, but transmission delay increases
Solution Approach 1:
The patent reduces transmission delay by applying preliminary action - the second electronic device receives synchronization information in advance that includes the media content address and playback progress. It then pre-caches the content locally before the actual switch occurs. This preliminary caching action eliminates the need for real-time transmission during switching, significantly reducing delay while maintaining Bluetooth compatibility for the connection framework.
Data Source
AI summary
A method implemented by a communication system, including at least a first electronic device and a second electronic device, includes that the first electronic device plays multimedia content. The first electronic device sends first synchronization information through broadcast, so that the second electronic device receives the first synchronization information, where the first synchronization information includes at least a first address, and the first address is an obtaining address of the multimedia content. In response to a preset operation, the first electronic device establishes a near field wireless communication connection to the second electronic device, and the second electronic device caches the multimedia content based on at least the first address. The first electronic device sends a control instruction to the second electronic device by using the near field wireless communication connection. The second electronic device plays the multimedia content based on the control instruction.