Audio File Management for Synchronized Playback and Piracy Prevention
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Solution Overview
Problem
Coordinating synchronized audio playback with external video playback in environments like movie theaters is challenging, especially when supplemental audio is needed, as it requires manual timing and can lead to unauthorized distribution of audio files stored on mobile devices, which are prohibited in theaters and susceptible to piracy.
Innovation Solution
A method and system for managing audio files on mobile devices to synchronize playback with external video, involving irretrievable modification and deletion of the audio file after synchronized playback is complete, using random number modifications to ensure the file's content is rendered useless, and location or time-based triggers to ensure compliance with theater restrictions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If audio files are stored on mobile devices for synchronized playback, then synchronized audio playback with external video is enabled, but unauthorized distribution of audio files becomes possible
Solution Approach 1:
The system performs preliminary actions by automatically deleting the audio file from the mobile device after the synchronized playback is complete. This preventive measure ensures that the audio file cannot be unauthorizedly distributed or reused, while still enabling the desired synchronized playback functionality during the movie theater environment.
2Measurement precision
If manual timing is used to coordinate audio playback with video cues, then synchronized playback can be achieved, but the process becomes manually intensive and imprecise
Solution Approach 1:
The system employs feedback mechanisms by continuously monitoring the playback status of both audio and video streams. It automatically adjusts the audio playback timing based on real-time feedback from the video playback, eliminating the need for manual timing coordination while achieving precise synchronization without manual intervention.
Data Source
AI summary
Embodiments of the invention provide for audio file management for synchronized audio playback in coordination with external video playback. In an embodiment of the invention, a method for audio file management for synchronized audio playback in coordination with external video playback includes receiving a request to synchronize playback of an audio file locally stored in a mobile device with audio resulting from projection of a motion picture in a movie theater. The method additionally includes synchronizing playback of the audio file with the audio resulting from the projection of the motion picture in response to receiving the request. The method yet further includes determining that the synchronized playback of the audio file in the mobile device has completed. Finally, the method includes responding to the determination, by irretrievably modifying the audio file in the mobile device and by subsequently deleting the irretrievably modified audio file from the mobile device.