Speaker Acoustic Correction Movement Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional speakers face challenges in maintaining appropriate acoustic correction when moved, as existing recalibration methods are inadequate for ensuring optimal sound reproduction in changed environments.
Innovation Solution
A reproduction device equipped with a sound signal interface, signal processor, sound emitter, acceleration sensor, and controller that updates correction parameters and stops updates during movement, allowing for accurate acoustic correction by detecting and responding to positional changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the correction parameter is updated continuously, then the acoustic correction can adapt to environmental changes, but the acoustic correction becomes incorrect when the speaker is moved
Solution Approach 1:
The acceleration sensor provides feedback about the speaker's movement state to the controller. The controller uses this feedback to determine whether to update the correction parameter, creating a closed-loop control system that prevents incorrect updates during movement while allowing updates when stationary, thus resolving the contradiction between adaptability and reliability
Solution Approach 2:
The system dynamically adjusts the correction parameter update behavior based on the real-time movement state detected by the acceleration sensor. When movement is detected, parameter updates are suspended; when stationary, updates are permitted. This dynamic control mechanism ensures acoustic correction accuracy is maintained while still allowing adaptation when appropriate
2Adaptability or versatility
If the speaker is moved to a new position, then the installation flexibility is improved, but the acoustic correction becomes inappropriate for the new environment
Solution Approach 1:
The system performs preliminary checks for movement using the acceleration sensor before allowing correction parameter updates. This preliminary detection ensures that updates only occur when the speaker is stationary, preventing incorrect acoustic correction in new positions while maintaining installation flexibility
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures consistent and appropriate acoustic correction even when the speaker is moved, preventing incorrect acoustic characteristics and maintaining optimal sound reproduction.
Implementation Method 1
an acceleration sensor, and a controller configured: to update the predetermined correction parameter; detect movement of the reproduction device based on
Data Source
AI summary
A reproduction device is provided with a sound-signal interface that inputs a sound signal, a signal processor that applies acoustic correction to the sound signal using a predetermined correction parameter, a sound emitter that emits a sound based on the sound signal subjected to the acoustic correction, an acceleration sensor, and a controller that configured: to update predetermined correction parameter; detect movement of the reproduction device based on the acceleration sensor; and stop the updating of the predetermined correction parameter upon the controller detecting movement of the reproduction device.