Media Receiver Audio Track Switching for Bandwidth Efficiency
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Solution Overview
Problem
Current digital television broadcasting standards are inefficient in providing multiple language options for audio content, as transmitting multiple versions of the same program in different languages consumes significant broadcast bandwidth.
Innovation Solution
A media content receiver system that allows users to request and replace primary audio content with alternative audio content in real-time, reducing the need for unconditional provision of multiple language tracks by enabling on-demand selection and processing of alternative audio content, such as different languages or commentaries, within the receiver device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple complete versions of the same program are transmitted in different languages, then language accessibility is improved, but broadcast bandwidth consumption increases
Solution Approach 1:
The audio content is segmented into separate audio tracks that can be independently selected. Instead of transmitting complete duplicate programs in different languages, the system transmits a single video program with multiple separate audio language tracks, allowing users to select their preferred language without requiring full program duplication.
Solution Approach 2:
The audio content is extracted from the complete program version and provided as separate selectable tracks. The system extracts the audio component from the video program and provides multiple language versions as independent audio tracks that can be switched without changing the video content.
2Adaptability or versatility
If multiple digital content sub-channels are used to broadcast different language versions, then language diversity is improved, but system complexity increases
Solution Approach 1:
Multiple audio language tracks are merged into a single program stream. Instead of requiring separate sub-channels for each language version, the system combines multiple audio tracks into one program, allowing users to switch languages through a single interface without managing multiple complex sub-channel configurations.
Solution Approach 2:
The receiver is designed with multi-functionality to handle multiple audio language tracks within a single program stream. The system provides universal language selection capability that works across different programs without requiring program-specific configurations or multiple dedicated sub-channels.
Data Source
AI summary
Presented herein is a method of presenting alternative audio content for an audio/visual content segment, such as a television program or a motion picture. In the method, the audio/visual content segment is received into a media content receiver. The audio/visual content segment includes primary visual content and primary audio content. A request to receive alternative audio content for the audio/visual content segment is transmitted. After transmitting the request, the alternative audio content is received into the media content receiver. The primary audio content is replaced with the alternative audio content to generate a revised audio/visual content segment. The revised audio/visual content is transferred for presentation to a user.