Smart Audio Path Routing for Mobile Devices
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Solution Overview
Problem
Mobile user devices face challenges in seamlessly routing audio signals to remote audio systems due to compatibility issues and incorrect control configurations, leading to frustrating user experiences, especially in scenarios like hands-free driving or group audio playback.
Innovation Solution
An electronic device with a controller that determines configuration settings for audio routing, transmits test audio content to a remote audio system, and listens for recognition via a microphone, switching to internal speakers if the test audio is not detected, ensuring smooth audio path routing and maintaining user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If audio content is transmitted to a remote audio system, then audio output capability is improved, but compatibility issues and routing failures occur
Solution Approach 1:
The system performs preliminary actions by transmitting test audio content before actual audio playback to verify remote audio system connectivity and configuration. This advance verification prevents routing failures and ensures compatibility issues are detected before they affect actual audio content transmission.
Solution Approach 2:
The system uses feedback by capturing audio output from the remote audio system through the device's microphone and analyzing it to determine if test audio content was successfully transmitted and played back. This feedback loop enables automatic detection of routing failures and compatibility issues, allowing the system to adapt its audio transmission strategy accordingly.
2Reliability
If test audio content is transmitted to verify routing, then audio path reliability is improved, but additional transmission time is required
Solution Approach 1:
The system applies partial action by transmitting only a brief test audio content (such as a tone or short signal) rather than the full audio program, and by selectively performing verification only when routing status is uncertain. This minimizes the time overhead while still achieving reliable audio path verification when needed.
3Reliability
If audio is played through internal speakers when routing fails, then audio playback reliability is maintained, but audio quality may be reduced
Solution Approach 1:
The system dynamically switches between internal speakers and remote audio system based on real-time routing verification results. When test audio transmission to the remote system succeeds, the system uses the remote audio system for superior audio quality. When verification fails, the system automatically falls back to internal speakers to maintain audio playback reliability, accepting the quality trade-off only when necessary.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures reliable and seamless audio routing between mobile devices and remote audio systems, mitigating compatibility issues and maintaining audio quality by automatically switching to internal speakers when necessary, thus enhancing user experience.
Implementation Method 1
The controller listens, via a microphone of the electronic device, for audio output from the remote audio system
Data Source
AI summary
An electronic device, method, and computer program product provide smart audio path routing to a remote audio system. A controller of an electronic device determines whether a configuration setting indicates that primary audio content is to be transmitted to a remote audio system. In response to the configuration setting indicating the primary audio is to be transmitted to the remote audio system, the controller transmits test audio content to the remote audio system. The controller listens, via a microphone of the electronic device, for the test audio content within audio output from the remote audio system. In response to not detecting the test audio content from the remote audio system, the controller enables playing of the primary audio content on speaker(s) of the electronic device. In response to detecting the test audio content, the controller transmits the primary audio content to be outputted by the remote audio system.