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Updated: May 9, 2026
06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
Effectiveness of focused source generation methods with consideration of interaural time and level difference.
Jianwen Zheng1, Jing Lu, Kai Chen
1Key Lab of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China.
The Journal of the Acoustical Society of America
|July 19, 2013
Summary
This study investigated focused source generation methods for audio applications. Combining the angular weight method with numerical pressure matching shows improved performance in reconstructed areas.
Area of Science:
- Acoustics
- Signal Processing
- Psychoacoustics
Background:
- Focused source generation is crucial for audio applications.
- Traditional methods often suffer from pre-echo artifacts.
- Angular weight method offers a concise solution to pre-echoes.
Purpose of the Study:
- To investigate focused source generation methods.
- To evaluate effectiveness using interaural time and level differences (ITDs/ILDs).
- To compare performance in a defined reconstructed area.
Main Methods:
- Utilized virtual monopole source positioning.
- Applied the angular weight method to mitigate pre-echoes.
- Employed interaural time and level difference analysis for evaluation.
- Combined angular weight method with numerical pressure matching.
Main Results:
- The angular weight method effectively addresses pre-echoes.
- Interaural time and level differences correlate with localization cues.
- The combination of angular weight and numerical pressure matching demonstrated superior performance.
- Performance was assessed within a specific reconstructed area.
Conclusions:
- The combined angular weight and numerical pressure matching method is effective for focused source generation.
- ITDs and ILDs are valuable metrics for evaluating audio source localization.
- This approach offers improved performance for targeted audio reproduction.
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