Analog Function Modeling for Sound Authenticity
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Solution Overview
Problem
Users face challenges in adapting sound converters to reference sound converters without detailed knowledge of the analog circuits, leading to a lack of practicality in achieving high sound authenticity across various settings.
Innovation Solution
A method and sound converter that digitally model the analog circuit using an analog function, allowing adaptation of the sound transfer function to a reference sound converter at a target setting, with consideration of component variations that affect the analog circuit's behavior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If gray box modeling (profiling) is used to adapt sound converter to reference sound converter, then sound authenticity is improved, but user effort and complexity increase significantly
Solution Approach 1:
The patent segments the analog circuit behavior into two parts: setting-independent characteristics (captured through profiling) and setting-dependent characteristics (modeled through the analog function). This segmentation allows the system to reuse the profiling results across multiple settings without repeating the entire adaptation process, thereby reducing user effort while maintaining sound authenticity.
Solution Approach 2:
The patent performs preliminary profiling at a default setting to capture the setting-independent characteristics of the reference sound converter. This preliminary action creates a foundation that can be combined with analog function modeling for different settings, eliminating the need to perform full profiling for each setting and significantly reducing subsequent user effort.
2Measurement precision
If full profiling is performed for every setting of adjustable analog circuit, then sound authenticity is improved, but time consumption and productivity decrease
Solution Approach 1:
The system performs the time-consuming profiling operation only once at a default setting to capture setting-independent characteristics. These results are stored and reused when combining with analog function modeling for different settings, dramatically reducing the time required for subsequent adaptations while maintaining high sound authenticity.
Solution Approach 2:
The patent creates a universal foundation through profiling that serves multiple settings of the analog circuit. The setting-independent characteristics captured through profiling can be combined with setting-specific analog function modeling to achieve high sound authenticity across multiple settings without repeating the full profiling process each time.
3Manufacturing precision
If detailed knowledge of reference sound converter components is required, then manufacturing precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent introduces an intermediary analog function that bridges the gap between the user and the complex internal components of the reference sound converter. Users interact with the simplified interface of setting selection rather than needing to understand or configure individual circuit components, while the system handles the complex modeling operations automatically.
Solution Approach 2:
The system creates a digital copy of the reference sound converter's behavior through profiling and analog function modeling. This copy captures the essential characteristics without requiring users to understand or manipulate the actual physical components, making the system accessible to users without detailed technical knowledge while maintaining modeling accuracy.
Data Source
AI summary
A method is proposed for adapting a sound converter to a reference sound converter at a target setting of an analog circuit of the reference sound converter. The sound converter has a sound transfer function. The analog circuit is digitally modeled by an analog function. At a default setting of the analog circuit, parameters of the sound transfer function of the sound converter are adapted to the reference sound converter. An analog function inverse to the analog function with default analog parameters corresponding to the default setting and the analog function with target analog parameters corresponding to the target setting are applied before or after the sound transfer function. Furthermore, a sound converter adapted for carrying out the method is proposed.