Media Reproduction Device Reception Tile Delay Compensation
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Solution Overview
Problem
Hybrid radio systems in vehicles experience temporal transmission delays between broadcast and Internet radio modes, leading to disruptions such as skipping or hearing parts of radio programs twice when switching between reception paths, due to differing audio signal delays.
Innovation Solution
A method and device that divide the surroundings into reception tiles with assigned strength values for each mode, using an electronic computing device to detect and compensate for temporal transmission delays by switching between broadcast and Internet radio modes based on reception strength, allowing seamless transitions without user perception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If switching between broadcast and Internet radio modes is implemented to ensure continuous media reception, then media availability is improved, but temporal transmission delays cause audio disruptions such as skipping or repeating parts of the program
Solution Approach 1:
The system performs preliminary actions by detecting temporal transmission delays between broadcast and Internet radio modes in advance, and by preparing buffer regions before switching occurs. This allows the system to anticipate and compensate for delay differences, preventing audio disruptions during mode transitions.
Solution Approach 2:
The system introduces intermediary buffer regions that act as mediators between the broadcast and Internet radio signal paths. These buffers temporarily store audio data and allow for delay compensation, enabling seamless transitions between reception modes without audio synchronization issues.
2Manufacturing precision
If reception strength criteria are used to determine switching between modes, then optimal media quality is improved, but complex evaluation and delay compensation processes are required
Solution Approach 1:
The system changes operational parameters by dynamically adjusting reception strength thresholds and delay compensation values based on current signal conditions. This allows the system to maintain optimal media quality while adapting the complexity of evaluation processes to match actual reception conditions.
Solution Approach 2:
The system implements feedback mechanisms that continuously monitor reception strength and temporal delays, then adjust switching decisions and compensation parameters accordingly. This feedback loop enables the system to maintain simple, intuitive operation while achieving optimal media quality through adaptive control.
3Loss of information
If temporal transmission delays are compensated through signal processing, then audio synchronization is improved, but processing time and computational resources are increased
Solution Approach 1:
The system performs preliminary delay detection and buffer preparation before actual switching occurs. By pre-calculating compensation parameters and preparing buffer regions in advance, the system reduces real-time processing requirements during the actual mode transition, thereby minimizing audio synchronization adjustments.
Solution Approach 2:
The system applies partial compensation by using buffer regions that provide sufficient delay compensation without over-processing. This approach achieves adequate audio synchronization while minimizing computational resources and processing time by applying only the necessary compensation levels.
Data Source
AI summary
The present disclosure relates to a method for operating a media reproduction device for a motor vehicle. Media information is received in a first and a second reception mode and reproduced based on the strength of the first and second reception. A temporal transmission delay between the reception modes is detected and compensated for by an electronic computing device. The surroundings of the motor vehicle are divided into at least two reception tiles, and each reception tile is assigned a first and a second reception strength value. The electronic computing device decides which reception mode to use to receive the media information in each reception tile and when to compensate the temporal transmission delay if it has been determined that the media information is received in the first reception tile in the first reception mode and in the second reception tile in the second reception mode.