Media Playback Transfer via Visual Entry Point Identifier
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Solution Overview
Problem
Current media playback systems require users to log into the same account on both devices to transfer playback seamlessly, leading to frustration when resuming media from the correct location, especially across different devices.
Innovation Solution
A method using QR codes or visual language codes to determine the media version and entry point on a second device, allowing media playback settings to be adjusted accordingly, enabling seamless transfer without the need for shared accounts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users log into the same account on both devices to transfer playback, then playback continuity is maintained, but user operation complexity increases and convenience decreases
Solution Approach 1:
The patent introduces a media entry point identifier as an intermediary element that mediates between the source device and target device. This identifier contains encoded information about the media and playback position, allowing devices to transfer playback state without requiring account authentication. The identifier acts as a self-contained carrier of playback state information, eliminating the need for users to log into the same account on both devices.
2Ease of operation
If users manually locate and cue media to the correct location, then playback can resume, but time is wasted and user frustration increases
Solution Approach 1:
The patent applies preliminary action by pre-encoding the media entry point information (including playback position, media identifier, and version) into the identifier at the source device before transfer. This preliminary preparation of playback state information eliminates the need for manual location and cueing at the target device, as all necessary information is already prepared and transferred with the identifier.
Solution Approach 2:
The patent creates a copy of the playback state information in the form of a media entry point identifier. This identifier copies essential playback data (media identity, version, and entry point) from the source device to the target device, enabling direct resumption without manual intervention. The copy contains all necessary information to restore playback state accurately.
3Ease of manufacture
If media playback settings are not adjusted on the second device, then transfer is simpler, but playback quality and consistency deteriorate
Solution Approach 1:
The patent applies parameter changes by automatically adjusting playback parameters (such as media version and entry point) on the target device based on the information contained in the transferred identifier. The system modifies these parameters to match the source device settings, ensuring playback consistency while keeping the transfer process simple and automatic for the user.
Data Source
AI summary
Transfer of media playback from a first device to a second device is based on a media entry point identifier. For example, a movie playing on a source device such as a movie theater screen may be quickly and easily transferred to a user's handheld device for playback on the handheld device or vice versa. Playback of the transferred media begins at or near a point within the transferred media at which the user requested media playback transfer. In one embodiment, media playback transfer relies on information captured from the source device, such as a video frame, a media progress bar, or a visual code. In another embodiment, the user device is associated with a user account that is different from the user account associated with the source device or the source device simply is not associated with a user account. In another embodiment, transfer of the media playback involves applying to the user device the settings of the source device.