Still-Image Feedback for Audio Video Content Retransmission Latency
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Solution Overview
Problem
The existing audio/video content retransmission systems experience latency issues due to the need for multiple transmissions of user requests and video buffering, leading to delayed responses and a lack of timely feedback to users when executing commands.
Innovation Solution
A method and system that provide feedback to users by retrieving a still-image frame associated with a command execution during periods of latency, allowing for immediate presentation on the user device until the full content is available for retransmission, thereby addressing the latency issue and enhancing user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If video buffering techniques are used to manage content retransmission, then content delivery reliability is improved, but latency increases and user feedback timing deteriorates
Solution Approach 1:
The system performs preliminary actions by sending a first command to retrieve a still-image frame before the actual video content is fully buffered. This preliminary retrieval of visual feedback occurs in parallel with the buffering process, so that when the user interacts with the interface, the feedback is already available or nearly available, significantly reducing the perceived latency while maintaining reliable content delivery
Solution Approach 2:
The system implements feedback by displaying a still-image frame that provides immediate visual confirmation to the user that their command has been received and is being processed. This feedback mechanism occurs during the buffering period, allowing users to see system responsiveness without waiting for the full content to be buffered and transmitted, thus resolving the contradiction between reliable delivery and timely feedback
2Reliability
If multiple transmissions are required for user requests to reach the video services receiver, then command execution reliability is improved, but response time deteriorates
Solution Approach 1:
The system executes preliminary actions by initiating the still-image frame retrieval command immediately upon receiving user input, before the full video content transmission sequence completes. This preliminary command execution provides immediate visual feedback to the user, making the system feel more responsive while the multi-transmission reliability protocol continues to execute in the background
Solution Approach 2:
The system creates a visual copy (still-image frame) of the content that can be displayed immediately to provide feedback, rather than waiting for the full content transmission. This copy serves as a placeholder that confirms command reception and processing, improving perceived responsiveness without compromising the reliability of the actual content delivery through multiple transmissions
Data Source
AI summary
A method for presenting feedback to a user when a command is received is provided. The method receives, at a content retransmitter, a command for navigating audio/video content selections for retransmission to a user device; transmits the received command to a set-top box for execution, wherein execution of the command at the set-top box produces a result; while gradually receiving the result at the content retransmitter, creates a period of latency when the result is only partially available for retransmission; during the period of latency, retrieves a still-image frame associated with execution of the command; and transmits the still-image frame to the user device for presentation until the result is completely available for retransmission.