Audio Accessory Auto-Configuration for Mobile Device Sound Matching
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Solution Overview
Problem
The existing connection between mobile communication devices and accessory devices often results in unreliable information transfer and suboptimal joint operation due to predefined electrical and mechanical characteristics, requiring cumbersome configuration steps that exceed typical user capabilities.
Innovation Solution
A mobile communication device with audio processing means and an accessory device with audio transducers, where the device adjusts operating parameters based on type identifications to optimize performance, using a control means to select predefined values for microphone preamplifier gain and audio equalization settings through a communicative coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If predefined electrical and mechanical characteristics are used for the interface, then accessory devices of various types and manufacturers can interface the mobile communication device, but reliable transfer of information and expected quality of joint operation cannot be guaranteed
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting electrical characteristics (impedance, gain, volume) of the audio interface based on the detected accessory type. The control means modifies operating parameters such as microphone preamplifier gain and audio equalization settings to match the specific electrical characteristics of different accessory devices, thereby ensuring reliable information transfer while maintaining interface compatibility across various accessory types.
2Reliability
If configuration steps are required to adjust operating characteristics, then reliable joint operation can be achieved, but the configuration procedure becomes cumbersome and beyond typical user capabilities
Solution Approach 1:
The patent implements self-service by enabling the mobile communication device to automatically detect the accessory type and configure optimal operating parameters without user intervention. The control means performs automatic detection of electrical characteristics, selects appropriate configuration settings from predefined options, and applies them seamlessly, making the complex configuration process transparent to the user while ensuring reliable joint operation.
Solution Approach 2:
The patent applies preliminary action by pre-defining multiple sets of operating parameters corresponding to different accessory types. The control means retrieves and applies the appropriate pre-configured parameter set based on detected accessory characteristics, eliminating the need for users to perform complex real-time configuration while ensuring optimal joint operation from the start.
3Ease of operation
If automatic parameter adjustment is implemented, then configuration complexity is reduced, but the system must handle multiple parameter types and accessory variations
Solution Approach 1:
The patent manages parameter complexity by organizing operating parameters into structured groups (electrical characteristics, audio settings, equalization profiles) that correspond to specific accessory categories. The control means systematically adjusts these parameter groups based on detected accessory types, transforming the complexity of handling multiple parameters into a manageable, category-based configuration approach that maintains ease of automatic operation.
Data Source
AI summary
Disclosed is a method for operating an arrangement of a mobile communication device that includes an audio processor communicatively coupled to an accessory device that includes an audio transducer is provided, the method including adjusting at least one operating parameter in one or both of the audio processor and the audio transducer, the adjusting including obtaining, via the communicative coupling from the accessory device, an accessory type identification assigned for the accessory device, obtaining a device type identification assigned for the mobile communication device, selecting a respective predefined value for each of the at least one operating parameter in dependence of the obtained accessory type identifier and the device type identifier, and setting each of the at least one operating parameter into respective selected values for subsequent operation of the arrangement.