Multi-tuner Digital Radio System with Internal Audio Buffering
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Solution Overview
Problem
Existing digital radio systems lack advanced features and usability enhancements, particularly in navigation, which limits user experience and technology advancement.
Innovation Solution
A multi-tuner digital radio system with six preset radio stations, supporting AM, FM, HD, satellite, and Internet radio, featuring a 3D Radio device with eight tuners, internal memory for buffering audio, and various operational modes, including off, normal play, pause, saving, and phone modes, along with interactive features and display updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single-tuner radio system is used, then the device complexity is low, but the usability and navigation capabilities are limited
Solution Approach 1:
The radio system is divided into multiple independent tuners (first tuner, second tuner, third tuner) that can operate simultaneously or independently. Each tuner can be assigned to different functions such as navigation, music playback, or communication, allowing the system to provide advanced usability without requiring a single complex tuner to handle all tasks
Solution Approach 2:
The multi-tuner radio system is designed to perform multiple functions simultaneously using different tuners. For example, one tuner can be dedicated to navigation while another handles music playback, and a third can be used for communication. This multi-functionality approach enhances usability by providing diverse capabilities without overcomplicating individual components
2Adaptability or versatility
If multiple tuners are used to receive multiple stations simultaneously, then the navigation and usability are enhanced, but the device complexity increases
Solution Approach 1:
The system segments the tuning functionality into separate dedicated tuners rather than using a single tuner that must handle all functions. This segmentation allows each tuner to be optimized for specific purposes (navigation, entertainment, communication) thereby enhancing adaptability while keeping individual tuner complexity manageable
Solution Approach 2:
The system includes preset stations that are pre-configured and stored in memory. These presets allow users to quickly access frequently used stations without manual tuning, enhancing navigation capabilities. The preliminary configuration of stations and their assignment to specific tuners simplifies the user interaction with the multi-tuner system
3Duration of action of moving object
If internal memory is added to buffer audio data, then continuous playback is enabled, but the device complexity and manufacturing cost increase
Solution Approach 1:
The internal memory is used to pre-buffer audio data received from the tuners before playback is required. This preliminary storage of audio data in memory allows the system to maintain continuous playback without real-time tuning interruptions. The buffer memory is strategically sized to provide sufficient playback duration while keeping manufacturing costs reasonable
4Ease of operation
If six preset stations are supported with one tuner per preset, then the usability is improved, but the device complexity and resource requirements increase
Solution Approach 1:
The system uses three multi-functional tuners that can be dynamically assigned to different preset stations rather than using six separate dedicated tuners. Each tuner can serve multiple presets across different bands (AM, FM, HD, satellite, Internet radio), reducing the total number of physical tuners required while maintaining the ability to access six preset stations simultaneously
Solution Approach 2:
The system expands beyond traditional radio bands by incorporating multiple dimensions of radio reception including AM, FM, HD Radio, satellite radio, and Internet radio through the same three tuners. This multi-dimensional approach to frequency and protocol support allows six preset stations to be managed with fewer physical tuners by utilizing different radio technology layers
Data Source
AI summary
A system, apparatus, method, and media directed to navigation in the field of digital radio systems are provided. For example, an apparatus, method, or medium can be implemented to provide a multi-tuner portable digital radio device that includes multiple modes and/or advances navigation tools.