Multimedia Audio Calibration Using Test Sound Compensation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Multimedia devices often fail to provide optimal sound quality due to variations in acoustic settings and ambient environments, as the initial factory settings do not account for the device's installation location, leading to unsatisfactory sound experiences for users.
Innovation Solution
A method and device that analyze the frequency characteristics of a test sound to calculate a compensation value, which is then used to correct and output an audio signal, ensuring optimal sound quality regardless of the device's location and environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If factory default acoustic settings are used, then device complexity is reduced, but sound quality becomes environment-dependent and unsatisfactory
Solution Approach 1:
The system automatically measures ambient acoustic characteristics using an integrated microphone and calculates compensation values without requiring manual user intervention. The acoustic environment measurement unit captures sound waves, the controller processes this data to determine frequency characteristics, and automatically generates correction parameters to optimize sound quality for the specific installation environment.
Solution Approach 2:
The system dynamically adjusts audio signal parameters based on measured environmental conditions. The controller modifies frequency response characteristics by applying compensation values that counteract environmental factors such as room acoustics, distance from walls, and ambient noise levels, thereby optimizing sound quality for each unique installation scenario.
2Manufacturing precision
If manual acoustic adjustment is provided, then sound quality optimization is improved, but ease of operation deteriorates
Solution Approach 1:
The system automatically measures ambient acoustic characteristics using an integrated microphone and calculates compensation values without requiring manual user intervention. The acoustic environment measurement unit captures sound waves, the controller processes this data to determine frequency characteristics, and automatically generates correction parameters to optimize sound quality for the specific installation environment.
Solution Approach 2:
The system performs preliminary acoustic environment measurement during setup or when triggered by the user. By measuring the ambient sound field and calculating compensation parameters in advance, the system prepares optimized audio settings before actual audio playback begins, eliminating the need for manual adjustment during operation.
3Adaptability or versatility
If acoustic features are fixed at factory settings, then device complexity is minimized, but adaptability to different installation environments is reduced
Solution Approach 1:
The system automatically measures ambient acoustic characteristics using an integrated microphone and calculates compensation values without requiring manual user intervention. The acoustic environment measurement unit captures sound waves, the controller processes this data to determine frequency characteristics, and automatically generates correction parameters to optimize sound quality for the specific installation environment.
Solution Approach 2:
The system transitions from static factory defaults to dynamic environmental adaptation. The acoustic characteristics are measured in the actual installation environment, and the audio processing parameters are adjusted in real-time based on the measured data, allowing the system to adapt to different room acoustics, distances from walls, and ambient conditions.
Data Source
AI summary
Disclosed in the present specification are a multimedia apparatus for servicing an optimized sound depending on the surrounding environment and a method for processing an audio signal thereof. The method for processing an audio signal of the multimedia apparatus, according to the present invention, comprises the steps of: receiving an external test sound; analyzing the frequency properties of the received test sound; calculating a compensation value of the test sound according to the analyzed frequency properties; compensating an audio signal to be output, according to the calculated compensation value; and outputting the compensated audio signal.