Audio Signal Synchronization Using Periodic Timing Error Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Multimedia devices often experience synchronization errors when reproducing audio signals due to differences in signal processing characteristics and network environments, leading to inconsistent audio output timing and quality across connected devices.
Innovation Solution
An audio signal processing method and apparatus that detect synchronization errors by comparing the reception times of synchronization signals between devices and adjust audio output accordingly, using separate synchronization signals to reduce processing capacity and ensure synchronized audio reproduction across multiple devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synchronization signals are embedded in audio signals for synchronization between devices, then audio synchronization is improved, but processing complexity and computational load increase
Solution Approach 1:
The patent extracts synchronization information from the audio signal by detecting synchronization signals that are embedded within the audio stream. The controller separately identifies and processes these synchronization signals to determine timing differences between devices, thereby achieving synchronization without requiring complex continuous processing of the entire audio signal.
Solution Approach 2:
The synchronization signals are transmitted periodically at predetermined intervals within the audio signal. This periodic transmission allows the receiving device to detect synchronization information at regular intervals, reducing the computational burden compared to continuous analysis while maintaining effective synchronization between multiple audio devices.
2Adaptability or versatility
If multiple audio signals are processed simultaneously for multi-device reproduction, then adaptability is improved, but processing capacity requirements increase
Solution Approach 1:
The patent segments the audio signal processing into distinct functional components: extraction of synchronization signals, calculation of synchronization errors, and independent processing of audio signals for each device. This segmentation allows the system to handle multiple audio signals simultaneously for different devices without requiring proportional increases in overall processing capacity, as each signal is processed through optimized dedicated paths.
Data Source
AI summary
An audio signal processing method and an audio signal processing apparatus for synchronizing audio based on synchronization error between audio signals.