Audio Redirection Adapter for Cross-Platform Speaker Sync
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Solution Overview
Problem
Existing home entertainment systems are fragmented due to proprietary hardware and software ecosystems, leading to complexity and difficulty in delivering synchronized audio and video across devices from different vendors, especially in wireless environments.
Innovation Solution
A cross-platform media redirection system using a media controller application and a media redirection hardware adapter that intercepts audio from a source, separates channels, determines positional audio, and redistributes it to multiple speakers, enabling seamless interoperability across devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If proprietary hardware and manufacturer ecosystems are used, then device functionality and performance are improved, but system interoperability and ease of operation deteriorate
Solution Approach 1:
The patent introduces a media redirection hardware adapter as an intermediary device that sits between the audio source and speakers. This adapter intercepts audio output, processes it through channel separation and positional audio determination, and redistributes it to multiple speakers. The adapter acts as a universal mediator that enables communication between devices from different manufacturers without requiring proprietary integrations, thus solving the interoperability problem while maintaining device functionality.
Solution Approach 2:
The media redirection hardware adapter is designed with universal functionality to work with audio sources and speakers from various manufacturers. It implements a standardized interface that can handle audio content from any source device and distribute it to any speaker system. This multi-functional capability allows the single adapter to replace multiple proprietary solutions, enabling seamless interoperability across different device ecosystems.
2Adaptability or versatility
If multiple proprietary devices and protocols are deployed, then device capabilities are improved, but system complexity increases
Solution Approach 1:
The patent extracts the complexity of audio processing and device coordination from the individual audio sources and speakers, consolidating it into a single media redirection hardware adapter. By taking out the channel separation, positional audio determination, and speaker management functions from the distributed device ecosystem and centralizing them in the adapter, the system reduces overall complexity while preserving the capabilities of individual devices.
3Adaptability or versatility
If wireless audio transmission is implemented, then device portability and flexibility are improved, but audio quality and synchronization deteriorate
Solution Approach 1:
The media redirection hardware adapter creates precise copies of the audio signal for distribution to multiple speakers. By intercepting the original audio output and generating exact replicas through channel separation and positional audio processing, the adapter ensures that each speaker receives a faithful reproduction of the source audio. This copying mechanism maintains audio quality and synchronization even when wireless transmission is involved, as the adapter can buffer and coordinate the transmission to multiple devices simultaneously.
Data Source
AI summary
Disclosed herein are various embodiments for providing an audio duplication and redirection system. An embodiment operates by determining that a media redirection hardware adapter is connected to a port of a host device. Audio content is intercepted from an audio source directed to the host device, wherein the received audio content comprises a first set of one or more audio channels. The received audio content is separated into a second set of two or more audio channels including both a first channel for a first speaker and a second channel for a second speaker. Positional audio for the speakers is determined from the received audio content. The positional audio is provided to the first speaker over the first channel and to the second speaker over the second channel.