Audio Playback Parameter Control Using Acoustic Propagation Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing audio devices lack dynamic adjustment of audio play parameters based on the propagation characteristics of acoustic signals, resulting in limited audio play modes and inconsistent quality.
Innovation Solution
An audio device receives an acoustic signal set, determines propagation characteristics such as duration, speed, and direction, and adjusts device parameters like frequency response, loudness, and reverberation to enhance audio play quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If audio devices use manually set device parameters, then the device structure remains simple, but the audio play quality becomes inconsistent and limited to single mode
Solution Approach 1:
The audio device receives acoustic signals from the environment, analyzes propagation characteristics (duration, speed, direction), and uses this feedback to automatically adjust device parameters for optimal audio play quality. This closed-loop feedback system resolves the contradiction by enabling adaptive quality improvement without requiring complex manual configuration structures.
Solution Approach 2:
The audio device autonomously determines propagation characteristics of acoustic signals and self-adjusts its device parameters based on environmental acoustic conditions. This self-service mechanism eliminates the need for complex manual parameter setting structures while maintaining consistent high-quality audio playback across varying environments.
2Adaptability or versatility
If audio devices use fixed device parameters, then the device complexity is low, but the adaptability to different acoustic environments is poor
Solution Approach 1:
The audio device dynamically adjusts its device parameters based on real-time analysis of acoustic signal propagation characteristics. The system transitions from static fixed parameters to dynamic adaptive parameters, enabling the device to automatically adapt to different acoustic environments (such as bathrooms, bedrooms, living rooms) without increasing structural complexity.
Solution Approach 2:
The audio device changes its operational parameters (frequency response, loudness, reverberation) based on detected propagation characteristics of acoustic signals in the environment. This parameter adaptation mechanism enables versatility across different acoustic scenarios while maintaining a relatively simple device structure that automatically adjusts rather than requiring multiple fixed-configuration modes.
3Productivity
If audio devices manually set parameters without environmental analysis, then the operation is simple, but the audio play mode becomes single and quality inconsistent
Solution Approach 1:
The audio device automatically performs environmental acoustic analysis and self-adjusts parameters without requiring user operation for parameter setting. This self-service approach resolves the contradiction by enabling consistent high-quality audio playback across different environments while maintaining ease of operation, as the device handles parameter optimization autonomously based on detected propagation characteristics.
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
Enriches audio play modes and ensures consistent audio quality by dynamically adjusting device parameters based on signal propagation characteristics.
Implementation Method 1
determining a propagation characteristic of an acoustic signal in the acoustic signal set; the propagation characteristic includes a propagation duration, a propagation speed and a propagation direction
Implementation Method 2
calculating a respective distance between the position and the audio device according to a propagation duration and a propagation speed of an acoustic signal
Data Source
Figure 1~2
Figure 3~4
AI summary
Provided is a device control method and apparatus. The method is applied to an audio device, and includes: receiving (101) an acoustic signal set, determining (102) a propagation characteristic of an acoustic signal in the acoustic signal set, determining (103), according to the propagation characteristic, a device parameter associated with audio play quality to be used by the audio device, and controlling (104) the audio device to play audio with the device parameter.