Audio Volume Control Across Absolute and Relative Platforms
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Solution Overview
Problem
Users face confusion and difficulty in controlling audio volume when sourcing platforms with absolute volume control modalities are mismatched with rendering platforms using relative volume control modalities, leading to inadequate volume control.
Innovation Solution
An apparatus with a volume-control user interface, a transmitter, and a control circuit that responds to volume changes by adjusting the audio signal transmission and issuing volume-increase commands, allowing seamless interaction between absolute and relative volume control modalities, visually representing the amplification range and indicating available headroom for further volume increase.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an absolute volume control modality is used on the sourcing platform, then the user can select a specific volume level within a range, but the user may be uncertain or unable to adequately control the audio volume when the rendering platform uses a relative volume control modality
Solution Approach 1:
The patent introduces a mediator mechanism that translates between absolute and relative volume control modalities. When a user adjusts volume on the sourcing platform using absolute control, the system automatically converts this to appropriate relative control commands for the rendering platform, ensuring seamless cross-platform volume control without requiring the user to understand the underlying modality mismatch
Solution Approach 2:
The volume control system is designed to support multiple control modalities (both absolute and relative) within a single unified interface. This allows the sourcing platform to provide absolute volume control while maintaining compatibility with rendering platforms that use relative control, making the system universally applicable across different device types
2Device complexity
If a relative volume control modality is used on the rendering platform, then the control is simple with up/down buttons, but confusion and difficulty occur when mismatched with absolute volume control on the sourcing platform
Solution Approach 1:
The system employs an intermediary translation layer that converts simple relative control inputs from the rendering platform into appropriate absolute control adjustments on the sourcing platform. This maintains the simplicity of the rendering platform's interface while ensuring effective volume control across the entire audio chain
Solution Approach 2:
Instead of having the sourcing platform adapt to the rendering platform's control modality, the system inverts the approach by having the rendering platform's simple relative control commands automatically translated into appropriate absolute control adjustments at the sourcing platform, maintaining simplicity where it matters most to the user
3Adaptability or versatility
If the volume control system supports multiple modalities across platforms, then compatibility improves, but the system complexity increases
Solution Approach 1:
The volume control system automatically detects the control modality being used and performs the necessary translations without requiring user intervention or complex configuration. The system self-adjusts to handle modality mismatches, reducing the perceived complexity for users while maintaining high adaptability across different platforms
Data Source
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AI summary
An apparatus comprises a volume-control user interface, a transmitter, an audio amplifier (having a corresponding amplification range), and a control circuit operably coupled to the foregoing components. This control circuit is configured to respond to a volume change made via the volume-control user interface that is within the amplification range of the audio amplifier by making a corresponding change to a volume level for an audio signal being transmitted by the transmitter. The control circuit is also configured to respond to a volume change made via the volume-control user interface that exceeds the amplification range of the audio amplifier by transmitting a volume-increase command.