Vehicle Projection Stack for Tuner and Mobile Audio Switching
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Solution Overview
Problem
Existing vehicles with terrestrial tuners face limitations in radio signal reception due to smaller form factors and interference, and lack of advanced connectivity features, limiting the integration of mobile device media with vehicle systems.
Innovation Solution
A system and method for integrating a user mobile device with a vehicle's terrestrial tuner, enabling seamless content delivery and enhanced functionality by leveraging mobile device connectivity and applications, including a vehicle projection stack, audio driver, and wireless communication components to manage terrestrial and internet signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a vehicle uses a terrestrial tuner for media reception, then it can receive terrestrial radio signals, but it faces limitations due to smaller form factors and electrical interference
Solution Approach 1:
The patent introduces a projection stack as an intermediary layer between the mobile device and the vehicle's audio system. This projection stack receives audio signals from both terrestrial tuners and internet sources, processes them, and outputs them through the vehicle's audio driver. This intermediary architecture allows the system to leverage the mobile device's processing capabilities while maintaining compatibility with the vehicle's existing audio hardware, thereby reducing the impact of electrical interference on media reception reliability.
2Ease of operation
If existing vehicle-head unit mobile device pairing is used, then users can access vehicle media, but they must exit paired applications to access media from the vehicle
Solution Approach 1:
The patent merges the vehicle's media playback capability with the mobile device's application environment by implementing a projection mode. In this mode, the mobile device's head unit application projects the vehicle's media player interface onto the mobile device's display, allowing users to control and access vehicle media directly within their paired application without needing to switch applications. This integration eliminates the time loss associated with application switching while maintaining ease of operation.
3Adaptability or versatility
If seamless integration of terrestrial and internet signals is implemented, then media utility is enhanced, but system complexity increases
Solution Approach 1:
The patent implements a projection stack that serves multiple functions within a single system component. This projection stack can handle both terrestrial tuner signals and internet audio streams, providing universal compatibility with different media sources. By consolidating these diverse signal processing capabilities into a single multi-functional module, the system achieves seamless integration of terrestrial and internet signals while minimizing the increase in overall system complexity.
Data Source
AI summary
Examples of the present disclosure relate to a device, method, and system for integrating a projection mode of a user mobile device with a terrestrial tuner. In an example, the system may be a vehicle including a head unit and a vehicle projection stack to operate in the head unit. The system may also include a terrestrial tuner communicatively coupled to the vehicle projection stack to receive a terrestrial signal from a terrestrial source. The system may also include an audio driver to provide an audio signal to a vehicle interior where the audio signal is from at least one of the terrestrial signal and an internet signal received at the vehicle projection stack from a user mobile device located inside the vehicle interior.