Network Synchronized Media Playback via Master Player Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current technologies lack effective methods for simultaneous, frame-synchronized playback of digital media files across multiple media players connected in a computer network, which is essential for comparing and conforming different versions of media content.
Innovation Solution
A network control and synchronization application (NetSync) that exchanges status and command messages to ensure synchronized playback among media players, using a master player to maintain sync and correct any drift within a predefined threshold, allowing for simultaneous playback of different media versions across multiple computing systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple media players play different versions of the same media file simultaneously, then the ability to compare and conform different media versions is improved, but maintaining frame synchronization across networked players becomes difficult due to network latency and system clock variations
Solution Approach 1:
The system continuously monitors the synchronization status of each media player by comparing timestamps and frame positions, and dynamically adjusts playback timing to maintain synchronization. The master player sends synchronization commands to slave players based on real-time status feedback, correcting drift as it occurs.
Solution Approach 2:
A master player acts as an intermediary between the media source and slave players, coordinating playback timing and distributing synchronization commands. The master player receives the media file, determines playback timing, and controls slave players to maintain frame synchronization across the network.
2Reliability
If a master control application exchanges status and command messages with all media players via the network, then synchronized playback is achieved, but network latency and message exchange overhead increase system complexity
Solution Approach 1:
The system combines multiple control functions into a single master player that handles timing coordination, synchronization command generation, and status monitoring for all slave players. This centralized approach reduces overall system complexity compared to distributed control where each player would need to coordinate with every other player.
Solution Approach 2:
The master player performs multiple functions: it acts as a media player itself, a timing server, a synchronization coordinator, and a control distributor to all slave players. This multi-functionality reduces the need for separate dedicated components for each control task.
Data Source
AI summary
In a system that includes two or more computing systems connected to a computer network, a network control and synchronization (NetSync) application controls the in-sync playback of media files across different computing systems in the network, where each computing system is playing a local version of a media file using a local instance of a Media player. The NetSync application receives status messages from all Media players and controls the playback of all media files by sending them playback commands based on the received status messages, so that video playback among the players is in sync with a Master Media player. Alternatively, media playback across all Media players is based on user-entered playback commands, such as Play, Pause, Stop, and the like, entered using either the NetSync application interface or NetSync command scripts.