مقایسهٔ روشها
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| کنترل فعال نویز با الگوریتم FxLMS× | وضوح گفتار× | |
|---|---|---|
| حوزه | صوتشناسی | صوتشناسی |
| خانواده | Process / pipeline | Process / pipeline |
| سال پیدایش≠ | 1975 | 1980 |
| پدیدآور≠ | Bernard Widrow, Samuel Stearns | Herman Steeneken, Tammo Houtgast |
| نوع≠ | Adaptive noise cancellation algorithm | Speech clarity assessment method |
| منبع بنیادین≠ | Widrow, B., & Stearns, S. D. (1975). Adaptive signal processing for active vibration and noise control. IEEE Transactions on Acoustics, Speech, and Signal Processing, 23(5), 440–453. DOI ↗ | Steeneken, H. J., & Houtgast, T. (1980). A physical method for measuring speech-transmission quality. Journal of the Acoustical Society of America, 67(1), 318–326. DOI ↗ |
| نامهای دیگر | FxLMS, filtered-x LMS, active noise cancellation, ANC | intelligibility metrics, STI, Speech Transmission Index, clarity index |
| مرتبط | 5 | 5 |
| خلاصه≠ | The Filtered-x Least Mean Squares (FxLMS) algorithm is an adaptive filter used in active noise control (ANC) systems to reduce unwanted sound by generating anti-noise. Pioneered by Widrow and Stearns in 1975 and refined by Eriksson and colleagues, FxLMS is the most widely deployed algorithm in commercial noise-canceling headphones, hearing aids, automotive cabins, and industrial noise barriers. It works by continuously learning the acoustical path and dynamically adjusting a canceling signal in real time. | Speech intelligibility is a quantitative measure of how well listeners understand spoken content in acoustic environments. Formalized by Steeneken and Houtgast in 1980 with the Speech Transmission Index (STI), intelligibility metrics combine room acoustic parameters (RT60, noise, clarity) to predict listener comprehension. Understanding speech intelligibility is essential for designing classrooms, offices, hearing aids, and public address systems where clear communication is critical. |
| ScholarGateمجموعهداده ↗ |
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