Audio Signal Filtering for Non-Real-Time Recipients
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Solution Overview
Problem
Audio signal filtering introduces noticeable delays when transmitted to real-time recipients, but these delays are tolerable for non-real-time recipients like voicemail systems, allowing for further filtering with high-latency filters without impacting them.
Innovation Solution
An apparatus and method that detect communication to non-real-time recipients and apply a high-latency audio filter to improve audio signal clarity, using a processor and memory with a signal module to identify such recipients and manage the filtering process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a high-latency audio filter is applied to improve audio signal clarity, then the manufacturing precision of the audio signal is improved, but the loss of time increases
Solution Approach 1:
The system applies different filtering strategies based on the recipient type: high-latency filters for non-real-time recipients (voicemail) and low-latency filters for real-time recipients. This local differentiation allows optimal audio clarity where delay is acceptable while maintaining real-time performance where needed.
Solution Approach 2:
The filtering approach dynamically adapts based on the recipient characteristics. The system detects whether the recipient is real-time or non-real-time and adjusts the filter latency accordingly, making the audio processing flexible and context-dependent rather than static.
2Manufacturing precision
If audio signal filtering is applied to improve clarity, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The audio filtering system is segmented into multiple independent filter components (high-latency and low-latency filters). This segmentation allows the system to select and apply only the necessary filter type based on recipient needs, reducing unnecessary complexity while maintaining audio clarity when required.
Data Source
AI summary
For filtering an audio signal for a non-real-time recipient, a signal module may detect communication of an audio signal to the non-real-time recipient. A management module may filter the audio signal with a high-latency audio filter.